Client Server Ltd.

85 job(s) at Client Server Ltd.

Client Server Ltd.
08/09/2025
Full time
C++ Developer / Backend Software Engineer (Windows C / C++, C#) London to £70k FTC Are you a skilled C++ Developer? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. As a C++ Developer you will join an Agile team focussed on building and maintaining Exchange Connectivity software systems that require real-time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location / WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. Please note this is a 12 month Fixed Term Contract. About you: You have C / C++ development skills on Windows OS You have full software development lifecycle experience You have a good knowledge of networking protocols e.g. TCP/IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design Patterns You're collaborative with great communication skills What's in it for you: Please note this is a 12 month Fixed Term Contract, with full benefits As a C++ Developer / Backend Software Engineer you'll receive a competitive package: Salary to £70k + bonus 25 days holiday Pension Life Assurance and Income protection Private Medical and Dental care Gym subsidy and wellness apps Cycle to work scheme Ability to buy stock options Family leave and sabbaticals Continuous training and career development including personalised budget Gain valuable finance / exchange connectivity experience Apply now to find out more about this C++ Developer / Backend Software Engineer opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Client Server Ltd.
08/09/2025
Full time
Cloud Security Engineer (AWS GCP) London / WFH to £80k Are you a Cloud security technologist with FinTech experience? You could be progressing your career at a global FinTech / CFD trading company that has been consistently voted as one of the UKs top employers. As a Cloud Security Engineer you'll support, maintain, automate and improve IT security platforms including securing Containers and CI/CD pipelines. You'll collaborate with developers and engineers to encourage a security-by-design culture within the business and ensure effective operation of a growing number of security products and solutions. Your initial focus will be on overhauling the AWS Security platform and evaluating the use of AI to enable automation of security in pipeline builds, you'll also work with GCP and will be encouraged to investigate and recommend new and emerging technologies. Location / WFH: There's a hybrid model with two days a week work from home, when you are in the office you'll be based in the City with an upbeat team environment, casual dress code and a range of facilities including roof terrace, restaurant and break out areas. About you: You have experience in a similar Cloud Security / Platform Security role at a FinTech (or within a financial services or other regulated environment) You have a strong knowledge of AWS and / or GCP Cloud Security, happy to work with both You have a good knowledge of Containers (Nomad / Kubernetes), Virtualisation, IaC, Terraform, Networking, DNS, Gitlab / Github and Linux You can write scripts with Python, Go or bash You have a good understanding of Foundational Security Concepts, strong analytical and problem solving skills You're collaborative and pragmatic with great communication and stakeholder management skills You have a genuine interest in security, likely to attend conference, read blogs etc in your own time What's in it for you: As a Cloud Security Engineer you will earn a competitive package: Salary to £80k + Bonus Pension, Private Medical Care, Life Assurance Option to buy or sell holiday days Wellness benefits and gym subsidy Childcare vouchers Enhanced paternity leave including shared parental pay and leave Employee led LGBTQ+, Women's, Black and Parents & Carers networks with an annual budget for organising events and projects that foster an open, diverse and inclusive culture Plus a range of other perks Apply now to find out more about this Cloud Security Engineer (AWS GCP) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Client Server Ltd.
08/09/2025
Full time
Senior C# Developer / Software Engineer (C# .Net) London onsite to £150k Opportunity to progress your career in a senior, hands-on C# Developer role at a global Asset Manager with c$3 million under management. As a Senior C# Developer within the trading engine team you'll collaborate to design and develop real-time trading systems, you'll often be collaborating with he strategy team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on C# .Net backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis, Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript / React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are degree educated in Computer Science or similar technical discipline What's in it for you: As a Senior C# Developer / Software Engineer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply now to find out more about this Senior C# Developer / Software Engineer (C# .Net) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Client Server Ltd. Sunderland, Tyne And Wear
08/09/2025
Full time
Full Stack Developer / Engineer (C# TypeScript AWS) Sunderland / WFH to £55k Opportunity to progress your career in a hands-on Full Stack Developer role at a at a growing games / gambling site, whilst enjoying a range of benefits and perks. As a Full Stack Developer you'll build captivating full stack web applications across all backend services and REST APIs that form the core platform e.g. payments. You'll be using C# .Net core through to TypeScript and Vue.js within an AWS cloud based environment with Docker, Terraform (IaC), TeamCity, SQL and Redis; you'll gain exposure to a wide range of technology and will be able to input into technical discussions within a collaborative Agile team. Location / WFH: There's a hybrid work from home policy with 2-3 days a week; when you're in the office you'll be collaborating with fellow technologists in a relaxed environment in awesome custom built offices in Sunderland with a range of facilities and perks including free meals at the onsite restaurant as well as membership at onsite gym. About you: You have full stack development experience including C# and TypeScript, ideally also Vue.js You have a good knowledge of AWS You have experience of building scalable, reliable and secure web applications using modern techniques You have experience of implementing frontend applications You're collaborative with great communication skills What's in it for you: As a Full Stack Developer / Engineer you will receive a competitive package: Competitive salary to £55k + quarterly bonus Holiday purchase scheme, plus an extra day for every your there (up to 5) Pension, Private medical care Onsite gym Onsite restaurant with free breakfast, lunch, snacks and drinks Free inner city parking Free tickets to EFL matches Hybrid working (x3 days a week office) Family friendly policies Social events and more! Apply now to find out more about this Full Stack Developer / Engineer (C# TypeScript AWS) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Client Server Ltd. Newcastle Upon Tyne, Tyne And Wear
08/09/2025
Full time
Technical Writer (AI LLM) Newcastle onsite to £100k Opportunity to progress your career in an innovative Technical Writer role at a scale-up Investment Management firm that has secure backing, an established Hedge Fund client as a partner and massive growth potential. As a Technical Writer you will define, structure and document input requirements, expected outputs, edge cases and constraints for AI systems involved in code generation or code assistance, translating complex technical concepts and workflows into AI compatible formats such as structured prompts, templates or schema definitions. You'll design prompt engineering strategies to optimise AI outputs in software development tasks, assist in the creation of training data for AI tools and help to evaluate the effectiveness of AI generated code, providing feedback to improve system performance. You will create, edit and maintain high-quality technical documentation including user guides, API documentation, installation manuals and system operation procedures. Location / WFH: You'll join colleagues in brand new Central Newcastle offices on a full-time basis (Monday to Friday), working hours with some flexibility. The offices are well equipped and offer fantastic views across the City and the local countryside, many employees walk or cycle in (onsite showers available!). About you: You have an academic record of achievement, minimum 2.1 at BSc from a top tier university You have experience in a similar Technical Writer / Technical Author / Systems Analyst role You have a strong knowledge of AI and LLMs, including a deep understanding of prompts You have an innovative mindset You can read and understand at least one OO programming language (e.g. Python, C#, SQL, C++) You have experience with documentation tools such as Markdown, LaTeX, Confluence, JIRA or Git-based workflows You're collaborative and pragmatic with excellent written and verbal communication skills What's in it for you: As a Technical Writer you will earn a competitive package: Salary (to £100k) Bonus 25 days holiday Bupa healthcare Generous pension contribution Continuous career development opportunities Social team atmosphere with a range of events and early finish for drinks on Fridays Apply now to find out more about this Technical Writer (AI LLM) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Client Server Ltd.
08/09/2025
Full time
Backend Software Engineer / Developer (Windows C / C++, C#) London to £70k FTC Are you a skilled Backend Software Engineer with strong C++ skills? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. As a Backend Software Engineer you will join an Agile team focussed on building and maintaining Exchange Connectivity software systems that require real-time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location / WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. Please note this is a 12 month Fixed Term Contract. About you: You have C / C++ development skills on Windows OS You have full software development lifecycle experience You have a good knowledge of networking protocols e.g. TCP/IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design Patterns You're collaborative with great communication skills What's in it for you: Please note this is a 12 month Fixed Term Contract, with full benefits As a Backend Software Engineer / Developer you'll receive a competitive package: Salary to £70k + bonus 25 days holiday Pension Life Assurance and Income protection Private Medical and Dental care Gym subsidy and wellness apps Cycle to work scheme Ability to buy stock options Family leave and sabbaticals Continuous training and career development including personalised budget Gain valuable finance / exchange connectivity experience Apply now to find out more about this Backend Software Engineer / Developer (Windows C / C++, C#) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Client Server Ltd.
08/09/2025
Full time
Senior Cloud Engineer (AWS GCP IaaS PaaS) London / WFH to £110k Are you a cloud technologist? You could be progressing your career in an impactful Senior Cloud Engineer role at a global FinTech / CFD trading company that has been consistently voted as one of the UKs top employers. As a Senior Cloud Engineer you will join a small team and be instrumental in designing, implementing and maintaining cloud infrastructure in AWS and GCP, creating environments and tools that empower software engineering teams with key technical enablers, building automation and self service capabilities that streamline operations across the globe. You'll architect and design IaaS and PaaS on a multi-cloud (AWS / GCP) platform, deploy scalable, resilient cloud solutions, create developer friendly tools and platforms, implement IaC practices and connect with on-prem infrastructure. You'll collaborate with the team to seek continual improvement and to optimise cloud resources to balance performance and cost efficiency. Location / WFH: There's a hybrid model with two days a week work from home, when you are in the office you'll be based in the City with an upbeat team environment, casual dress code and a range of facilities including roof terrace, restaurant and break out areas. About you: You have strong cloud platform engineering experience including design and administration of complex AWS cloud infrastructure platforms at scale You have experience of building the VPC, creating control towers and managing AWS foundational infrastructure You have some GCP knowledge (you'll be working with both going forward) You have a good knowledge of IaC tools such as Terraform, Ansible, CDK, Pulumi, DevOps principles and CI/CD You're collaborative and pragmatic with great communication and stakeholder management skills What's in it for you: As a Senior Cloud Engineer you will earn a competitive package: Salary to £110k + Bonus Pension, Private Medical Care, Life Assurance Option to buy or sell holiday days Wellness benefits and gym subsidy Childcare vouchers Enhanced paternity leave including shared parental pay and leave Employee led LGBTQ+, Women's, Black and Parents & Carers networks with an annual budget for organising events and projects that foster an open, diverse and inclusive culture Plus a range of other perks Apply now to find out more about this Senior Cloud Engineer (AWS GCP IaaS PaaS) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Client Server Ltd.
08/09/2025
Full time
Full Stack Developer / Software Engineer (C# ASP.Net TypeScript) London / WFH to £65k Would like to progress your career as a Full Stack Developer, working on a modern, web based, tech stack with continual learning and development opportunities as part of a diverse team? You could be progressing your career at a global FinTech consistently voted as a Top 10 place to work, they invest in their people, you'll be supported with training and can enjoy flexible working alongside a host of perks and benefits including flexible working. As a Full Stack Developer you'll collaborate to design and develop new features and enhancements to the company's flagship web based trading product. You'll focus on backend systems using C# and TypeScript but will also have exposure to front end components in Angular and React within a TDD environment. Location / WFH: You can work from home most of the time, meeting up with colleagues once a week in the City offices, when there you can you enjoy a range of facilities including large kitchen, café, roof top bar, showers and all the latest kit to work on. About you: You have backend C# .Net, ASP.Net MCV application development skills You also have experience with TypeScript, Angular or React You have a good understanding of Docker for Containerisation You have a good knowledge of cloud based systems (Azure / AWS) You have strong analysis and problem solving skills You're collaborative with great communication skills What's in it for you: As a Full Stack Developer / Software Engineer you will receive a competitive package including: Salary to £65k + bonus Pension, Private Health Care, Life Assurance, Travel Insurance Enhanced maternity and paternity scheme Learning opportunities via training, hack-a-thons, tech talks Perks such as health and well being allowance, cycle to work scheme, season ticket loan, flexible working, diverse team environment and much more Apply now to find out more about this Full Stack Developer / Software Engineer (C# ASP.Net TypeScript) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Client Server Ltd.
08/09/2025
Full time
Senior Full Stack Developer / Engineer (JavaScript Python API) London to £100k Opportunity to progress your career in a senior, hands-on Senior Full Stack Developer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established 10 years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Full Stack Developer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job as well as own your own DevOps and deployment. There's an emphasis on getting stuff done and immediate business impact, alongside longer term strategy. Location / WFH: There's a hybrid work from home model with three days a week in the Hammersmith office and the other two work from home. When in the office you can enjoy the onsite gym, barista coffee and free breakfast. About you: You have strong full stack JavaScript development skills and are happy to work on projects that could be weighted either way or a 50/50 split You have experience with JavaScript frameworks they use Vue.js but Angular or React experience is fine, you will also have experience with Python, Node.js and TypeScript You're product focussed with good business acumen You have a good knowledge of APIs and an indepth understanding of web development practices, tools and technologies You enjoy learning and picking up new things You're flexible and able to adapt to changing priorities You have full software development lifecycle experience including CI/CD and testing You're collaborative with Agile team experience, happy to mentor more junior developers You're likely to be degree educated in Computer Science or similar tech discipline What's in it for you: As a Senior Full Stack Developer you will receive a competitive package: Salary to £100k 25 days holiday (increasing to 30), plus Christmas Eve Vitality healthcare plus a host of wellbeing benefits Pension Family leave and enhanced maternity scheme Continual career and self development opportunities Onsite gym, and partnership with Octopus Electric Vehicles and Evans Cycle to Work scheme, there's showers and towels if you do decide to cycle! Apply now to find out more about this Senior Full Stack Developer / Engineer (JavaScript Python API) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Client Server Ltd.
08/09/2025
Full time
Python Developer / Software Engineer (Python C++ Grid Computing) London / WFH to £135k Are you a skilled backend Python Developer combined with C++ skills and financial trading systems experience? You could be progressing your career in a senior, hands-on Python Developer position at the Investment Management arm of a global bank. As a Python Developer within the Grid computing team you will help to evolve a new framework for high performance grid computing to be used for large scale analytical computations including Risk. You'll collaborate closely with Quantitative Analysts, working across the full software development lifecycle with a focus on Python and C++ backend development. Location / WFH: You'll join colleagues in the London, City office with flexibility to work from home once a week. About you: You have strong backend software engineering experience with Python and also have a good knowledge of C++ You have a good understanding of analytics and Risk for one or more financial products You have a strong knowledge of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You have experience within a similar financial trading systems environment You are collaborative with excellent communication skills You are degree educated in Computer Science or similar STEM discipline, having achieved a 2.1 or above from a Russel Group university What's in it for you: As a Python Developer / Backend Software Engineer you will receive a competitive package: Salary to £135k Bonus A range of flexible benefits including Health and Dental care, Critical Illness cover, Employee Assistance Programme, Emergency Dependant care, Life Assurance and more Perks such as shopping discounts and ability to work from home one day a week Apply now to find out more about this Python Developer / Backend Software Engineer (Python C++ Grid Computing) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Client Server Ltd. Nottingham, Nottinghamshire
08/09/2025
Full time
Engineering Manager (Big Data Agile) Nottingham / WFH to £75k Do you enjoy leading and developing successful Agile tech teams? You could be progressing your career in an impactful role at a tech company that provides a range of B2B SaaS solutions. As an Engineering Manager you'll head up a newly formed team that deals with customer facing reporting on big data sets, they process 120 billion lines of data per day using SQL and Databricks in Azure. You'll help the team to scale-up with data engineering best practices and processes at the core. You will be key in developing others to succeed and progress their careers, instilling a positive team culture, providing line management, 1-2-1s and promoting from within the team. You will have lots of business interaction, collaborating with the Product Team to ensure delivery of new innovations, working with business stakeholders to input into decision making. Location / WFH: There's a remote interview and onboarding process and you'll be able to work from most of the time, meeting up with the team for constructive meetings once a month in the Nottingham office. About you: You have experience of leading high achieving data engineering teams You have experience of establishing data engineering best practices and inclusive cultures You have a technical background, with a strong understanding of Data Warehouses, SQL; Databricks and Azure experience is also desirable although this is a hands-off role a technical understanding is required You enjoy developing others and helping them to improve and succeed You have excellent communication and stakeholder management skills What's in it for you: As an Engineering Manager you will earn a competitive salary plus a range of benefits: Up to £75k 25 days holiday Vitality health insurance 5% non-contributory pension Death in Service Travel allowance to the Nottingham office Apply now to find out more about this Engineering Manager (Big Data Agile) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Client Server Ltd. Nottingham, Nottinghamshire
08/09/2025
Full time
Senior Data Engineer (Databricks SQL Azure) Nottingham / WFH to £65k Opportunity to progress your career in a senior, hands-on Data Engineer role at a SaaS tech company. As a Senior Data Engineer you'll join a newly formed team that deals with customer facing reporting on big data sets, they process 120 billion lines of data per day. You'll be primarily working with advanced SQL with Databricks in Azure including data modelling and low level data design work. As a senior member of the team you'll also contribute to technical discussions, strategic decision making and help to mentor more mid-level data engineers. Location / WFH: There's a remote interview and onboarding process and you'll be able to work from most of the time, meeting up with the team for constructive meetings once a month / quarter in the Nottingham office. About you: You have advanced SQL and Databricks experience You have experience in cloud based environments, Azure preferred You have strong analysis and problem solving skills You have experience of working in Agile development environments You're collaborative with great communication skills Ideally you will some experience within an accountancy or finance environment What's in it for you: As a Senior Data Engineer (Databricks SQL) you will earn a competitive salary plus a range of benefits: Up to £80k 25 days holiday Vitality health insurance 5% non-contributory pension Death in Service Travel allowance to the Nottingham office Apply now to find out more about this Senior Data Engineer (Databricks SQL Azure) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Client Server Ltd. Manchester, Lancashire
08/09/2025
Full time
Back End Developer / Software Engineer (Python AWS Amazon CDK) Manchester to £90k Do you have strong Python and AWS skills combined with start-up / SME experience? You could be progressing your career in a senior, hands-on Back End Developer role at a technology start-up that is producing a software suite for legal firms that massively reduces para-legal workloads, they have seen huge interest in the product and have a lot of greenfield development work to get stuck into. As a Back End Developer you'll join a small technology team and take ownership of backend development work, there are a range of projects, you'll see the results of your work quickly and be able to input into technical decision making. You'll primarily be working Python within an AWS environment collaborating with closely with DevOps Engineers. Location / WFH: You'll join a small but growing team based in Central Manchester three days a week with flexibility to work from home the other two days. About you: You have strong Python back end development skills You have experience with AWS including Amazon CDK You have a strong understanding of DevOps principles You have full software development lifecycle experience and a good knowledge of modern software engineering best practices You have good business acumen, with experience of working in start-ups or SMEs You are degree educated in Computer Science or similar technical discipline What's in it for you: Salary to £90k 25 days holiday Pension Hybrid working (x3 days office in Manchester) Impactful role with excellent career progression opportunities as the company scales Apply now to find out more about this Back End Developer / Software Engineer (Python AWS Amazon CDK) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Client Server Ltd.
08/09/2025
Full time
Lead HCI Infrastructure Engineer (Nutanix) London / WFH to £125k Do you have expertise with Nutanix HCI? You could be progressing your career in an impactful Principal Infrastructure Engineer role at a global FinTech / CFD trading company that has been consistently voted as one of the UKs top employers. As a Lead Infrastructure Engineer you will play a pivotal role in building and enhancing the infrastructure that powers the fast-growing retail brokerage business, ensuring the reliability and efficiency of the infrastructure. You'll take a lead role in the design of secure, scalable and resilient infrastructure including on-premise, cloud and hybrid, collaborating closely with software engineers, DevOps and SRE teams to align infrastructure with application requirements and define infrastructure standards across a range of teams. You will provide technical expertise and guidance on Nutanix HCI, managing several thousand virtual machines and also help to drive the adoption of IaC using tools such as Terraform. Location / WFH: There's a hybrid model with two days a week work from home, when you are in the office you'll be based in the City with an upbeat team environment, casual dress code and a range of facilities including roof terrace, restaurant and break out areas. About you: You have an indepth knowledge of Nutanix Hyperconverged Infrastructure (HCI), requiring a mix of infrastructure, virtualisation and cloud-native You have experience with hypervisors: Hyper-V in Nutanix clusters, Virtual Machine provisioning, live migration, cloning, snapshots and Disaster Recovery within HCI environments You have the ability to troubleshoot complex issues across compute, storage and network layers You have technical leadership and mentoring skills You're collaborative and pragmatic with great communication skills, you're comfortable working with other teams and business stakeholders W hat's in it for you: As a Lead HCI Infrastructure Engineer you will earn a competitive package: Salary to £125k + Bonus Pension, Private Medical Care, Life Assurance Option to buy or sell holiday days Wellness benefits and gym subsidy Childcare vouchers Enhanced paternity leave including shared parental pay and leave Employee led LGBTQ+, Women's, Black and Parents & Carers networks with an annual budget for organising events and projects that foster an open, diverse and inclusive culture Plus a range of other perks Apply now to find out more about this Lead Infrastructure Engineer (Nutanix HCI IaC) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Client Server Ltd. Sunderland, Tyne And Wear
08/09/2025
Full time
Senior C# Developer / Software Engineer (C# .Net Core AWS) Sunderland / WFH to £75k Do you have strong C# .Net Core backend development skills? You could be progressing your career in a senior, hands-on C# Developer role at a growing games / gambling site, whilst enjoying a range of benefits and perks. As a Senior C# Developer within the customer onboarding team you will help shape the player onboarding and registration journeys, including KYC and identity verifications. You'll design and develop backend features that interact with the web front end (TypeScript, Vue.js) and migrate code from .Net MVC to .Net Core, ensuring it's reliable, scalable and well documented. This is a senior position where you'll contribute to the planning of technical projects, provide guidance, conduct code reviews and input into technical discussions and decision making. Location / WFH: There's a hybrid work from home policy with 2-3 days a week; when you're in the office you'll be collaborating with fellow technologists in a relaxed environment in awesome custom built offices in Sunderland with a range of facilities and perks including free meals at the onsite restaurant as well as membership at onsite gym. About you: You have strong C# .Net Core backend development experience You have experience of building scalable, reliable and secure web applications using modern techniques You have experience of implementing frontend applications You have a good knowledge of AWS You're collaborative with great communication, mentoring and leadership skills What's in it for you: As a Senior C# Developer / Software Engineer (C# .Net Core AWS) you will receive a competitive package: Competitive salary to £75k + quarterly bonus Holiday purchase scheme, plus an extra day for every your there (up to 5) Pension, Private medical care Onsite gym Onsite restaurant with free breakfast, lunch, snacks and drinks Free inner city parking Free tickets to EFL matches Hybrid working (x3 days a week office) Family friendly policies Social events and more! Apply now to find out more about this Senior C# Developer / Software Engineer (C# .Net Core AWS) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Client Server Ltd. Manchester, Lancashire
08/09/2025
Full time
Backend Software Engineer / DevOps (Python AWS Amazon CDK) Manchester to £100k Do you have strong Python and AWS skills combined with start-up / SME experience? You could be progressing your career in a senior, hands-on Backend Software Engineer/ DevOps role at a technology start-up that is producing a software suite for legal firms that massively reduces para-legal workloads, they have seen huge interest in the product and have a lot of greenfield development work to get stuck into. As a Backend Software Engineer / DevOps you'll join a small technology team and take ownership of backend development and DevOps work, there are a range of projects, you'll see the results of your work quickly and be able to input into technical decision making. You'll primarily be working Python within an AWS environment collaborating with closely with DevOps Engineers. Location / WFH: You'll join a small but growing team based in Central Manchester three days a week with flexibility to work from home the other two days. About you: You have strong Python backend development skills You have experience with AWS including Amazon CDK You have a strong understanding of DevOps principles, CI/CD, IaC You have full software development lifecycle experience and a good knowledge of modern software engineering best practices You have good business acumen, with experience of working in start-ups or SMEs You are degree educated in Computer Science or similar technical discipline What's in it for you: Salary to £100k 25 days holiday Pension Hybrid working (x3 days office in Manchester) Impactful role with excellent career progression opportunities as the company scales Apply now to find out more about this Backend Software Engineer/ DevOps (Python AWS Amazon CDK) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Client Server Ltd. Manchester, Lancashire
08/09/2025
Full time
Forward Deployed Engineer (FDE Python AWS) Manchester / WFH to £85k Do you have strong backend Python and AWS skills combined with client facing experience? You could be progressing your career in a senior, hands-on Forward Deployed Engineer role at a technology start-up that is producing a software suite for legal firms that massively reduces para-legal workloads, they have seen huge interest in the product and have a lot of greenfield development work to get stuck into. As a Forward Deployed Engineer you will collaborate closely with clients, taking ownership of client bespoke projects end-to-end with a focus on building cloud based applications / systems using Python and AWS. You'll work fairly independently, make technical decisions and see the results of your work quickly. Location / WFH: You'll join a small but growing team based in Central Manchester three days a week with flexibility to work from home the other two days. About you: You have experience of working directly with clients and taking ownership of client bespoke development work You have strong Python back end development skills You have experience with AWS including Amazon CDK You have a strong understanding of DevOps principles You have full software development lifecycle experience and a good knowledge of modern software engineering best practices You have good business acumen, with experience of working in start-ups or SMEs You are degree educated in Computer Science or similar technical discipline What's in it for you: As a Forward Deployed Engineer (FDE Python AWS) you will receive a competitive package: Salary to £85k 25 days holiday Pension Hybrid working (x3 days office in Manchester) Impactful role with excellent career progression opportunities as the company scales Apply now to find out more about this Forward Deployed Engineer (FDE Python AWS) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Client Server Ltd.
08/09/2025
Full time
Senior Data Engineer (AWS Kafka Python) London / WFH to £85k Are you a tech savvy Data Engineer with AWS expertise combined with client facing skills? You could be joining a global technology consultancy with a range of banking, financial services and insurance clients in a senior, hands-on Data Engineer role. As a Senior Data Engineer you will design and build end-to-end real-time data pipelines using AWS native tools, Kafka and modern data architectures, applying AWS Well-Architected Principles to ensure scalability, security and resilience. You'll collaborate directly with clients to analyse requirements, define solutions and deliver production grade systems, leading the development of robust, well tested and fault tolerant data engineering solutions. Location / WFH: There's a hybrid work from home model with two days a week in the London, City office (or at client site in London). About you: You are an experienced Data Engineer within financial services environments You have expertise with AWS including Lake formation and transformation layers You have strong Python coding skills You have experience with real-time data streaming using Kafka You're collaborative and pragmatic with excellent communication and stakeholder management skills You're comfortable taking ownership of projects and working end-to-end You have a good knowledge of Distributed Systems and DevOps tooling Ideally you will also have Databricks experience What's in it for you: As a Senior Data Engineer you will earn a highly competitive package: Salary to £85k Bonus c15% Pension (up to 7% employer contribution), Life Assurance, Income Protection Private medical care for you and your family, including mental health Travel Insurance Charitable giving Gym membership for you and your family Flexible holiday scheme Apply now to find out more about this Senior Data Engineer (AWS Kafka Python) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Client Server Ltd.
08/09/2025
Full time
Full Stack Developer / Engineer (TypeScript Node React) Remote UK to £70k Are you a technologist with iGaming / gambling sector experience who enjoys working with a range of technology and collaborating with clients? You could be joining a successful and growing tech company that produce a range of online games used by various clients (e.g. eCommerce, sports betting) to help them retain and attract new customers. As a Full Stack Developer you'll take ownership and run small client bespoke projects working across the full tech stack from backend development using TypeScript and Node, through to React on the front end as part of a collaborative team. Location / WFH: You can work from home / remotely from anywhere in the UK. About you: You're a software developer / engineer with strong TypeScript and Node skills You have experience of developing transactional games / gambling games / iGaming applications You have experience with Azure or AWS cloud services You are comfortable taking ownership and running your own small projects You have excellent communication and collaboration skills What's in it for you: As a Full Stack Developer / Engineer you will earn a competitive package including: Salary to £70k Remote working anywhere in UK 24 days holiday £50 per month gym membership contribution + £30 per month home working allowance AXA Private Healthcare Access to PerkBox discounts including Wellness benefits Apply now to find out more about this Full Stack Developer / Engineer (TypeScript Node React) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Client Server Ltd. Newcastle Upon Tyne, Tyne And Wear
08/09/2025
Full time
Software Developer / Engineer Newcastle onsite to £70k+ Are you a bright, ambitious Software Developer looking for an opportunity to progress your career, working on complex and interesting systems in a role where you can learn and develop your skills? You could be joining a FinTech start-up, they have secure backing and an established Hedge Fund client as a partner. As a Software Developer you will collaborate with a small, talented team to deliver the core platform within a Microsoft environment using the latest versions of C# .Net to produce high quality code. Once the Beta has been rolled out and tested the company has ambitious growth plans, this is a great opportunity to be involved from the ground up and progress your career. Location / WFH: You'll join colleagues in brand new Central Newcastle offices on a full-time basis (Monday to Friday), working hours with some flexibility. The offices are well equipped and offer fantastic views across the City and the local countryside, many employees walk or cycle in (onsite showers available!). About you: You have achieved a minimum 2.1 BSc in Computer Science or similar technical discipline from a top tier / Russel Group university, backed by A's at A-level You're a technologist who enjoys collaborating and problem solving, working on complex, distributed systems You have strong backend coding skills - you can come from any tech background (e.g. Java, Python, Full Stack) but be happy to use C# .Net going forward and pick up new things along the way You have experience with public cloud technologies - Azure, AWS, GCP You have a good knowledge of modern software engineering best practices and have experience across the full software development lifecycle You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You're excited to join a start-up in a role that you can shape and influence What's in it for you: As a Software Developer / Engineer you will earn a competitive package: Salary to £70k Bonus 25 days holiday Bupa healthcare Generous pension contribution Continuous career development opportunities Social team atmosphere with a range of events and early finish for drinks on Fridays Apply now to find out more about this Software Developer / Engineer opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

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