Client-Server

Data Engineer (Python SQL Spark Azure Databricks) London to £160k Are you a tech savvy Data Engineer with a first class education? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. What's in it for you: Salary to £160k Significant bonus earning potential Fund performance share Personal training budget and mentoring Family friendly benefits that include unlimited emergency backup childcare as well as care for elderly relatives Various social groups including sports teams Private healthcare and wellness activities Your role: As a Data Engineer you will join a small team responsible for understanding, managing and transforming raw data content from various 3 rd parties for the trading team, investment quants and investment desk. Typical responsibilities will include combining and transforming raw data into useful insights, analysis and visualisations, interrogating various vendor data endpoints to source and analyse data, ensuring data consistency, completeness and accuracy across all platforms. You'll develop data dictionaries and other documentation and collaborate with technology teams to implement and enhance data systems and processes, keeping up to date with industry trends and emerging technology in data content and tooling. Location / WFH: You'll join the team in fantastic London (Soho) based offices that offer a wide range of facilities including nutritionally balance breakfast, lunch and all day snacks. Please note this role is full-time office based (Monday to Friday), with some flexibility if needed on ad hoc basis. About you: You have an outstanding record of academic achievement - first class degree in a STEM discipline from a top tier university (i.e. Russel Group or top 100 global university), backed by A grades at A-level You have experience in a similar Data Engineer role at a Hedge Fund or Investment Bank and have a good understanding of financial markets and investment management You have strong technical skills with Python or C# and SQL, experience with version control and contributing to a shared codebases You have experience with modern data tools and technologies including Apache Spark and Azure Databricks preferred You have a strong knowledge of data management principles and best practices You have experience with data analysis, visualisation tools and techniques You're able to convey complex data and technical information to front office traders Ideally you will have had exposure to BBG, Markit, Refinitiv, macro research Apply now to find out more about this Data Engineer (Python SQL Spark Azure Databricks) opportunity.

Python Developer / Backend Software Engineer (Python R&D) Cambridge onsite to £55k Would you like to work on Greenfield projects at the cutting edge of medical technology? You could be joining a well funded start-up, collaborating with scientists and other engineers to develop sensing and imaging terahertz solutions. As a Python Developer you'll work on complex problems including image processing, machine learning, numerical simulation, user interfaces, databases, networking and interfacing with hardware. You'll be using a Python based tech stack but with constantly evolving technology that you'll be able to influence. Location: You'll join a talented team based just north of Cambridge (with parking available), on a fulltime basis (with some flexibility). About you: You have strong backend software engineering experience with Python, including Python libraries such as PyTorch, NumPy You have experience working with asynchronous, parallel or distributed systems You have a good knowledge of at least one relational database e.g. SQL Server, Oracle You have a good understanding of TDD, CI/CD practices and modern software engineering best practices You have experience with embedded software and / or IoT You are comfortable in an R&D environment You have an interest and understanding of Machine Learning and AI You are degree educated in a relevant STEM discipline You're collaborative, comfortable with Pair Programming and mentoring more junior engineers Ideally you will also have experience with some of the following: Anaconda, Mamba, Poetry, C++, JavaScript, Haskell, OCaml, Rust What's in it for you: As a Python Developer you will receive a competitive package: Salary to £55k Bonus Healthcare Pension Continual learning and self development Complex interesting work at the cutting edge of technology Apply now to find out more about this Python Developer / Backend Software Engineer (Python R&D TDD) 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.

Senior Software Engineer / Full Stack Developer (TypeScript Node React AWS) London / WFH to £95k Are you a full stack technologist? You could be progressing your career in a hands-on Senior Software Engineer role at a well established consumer facing financial services company that help people to manage debt, as they go through a technical transformation and scale-up following recent investment. What's in it for you: Salary to £95k Bonus 25 days holiday Pension Employee Assistance Programme Onsite gym and well-being champions X2 volunteering days per year Opportunity to make an impact as part of new team in a role you can shape Your role: As a Senior Software Engineer you will design and develop customer facing applications, working across the full stack with a leaning towards TypeScript, Node and AWS on the backend but also with exposure to React on the front end, ensuring high standards of quality, security, reliability and operability across the stack. You'll also have exposure to mobile app development using React Native. Location / WFH: You'll be based in fantastic new offices in London that offer a wide range of facilities including wellness rooms and onsite gym for three days a week with flexibility to work from home twice a week. About you: You have advanced full stack development skills including TypeScript backends, microservices, APIs, React and also ideally React Native or Kotlin for mobile development You have a good understanding of distributed systems, RDBMS (Oracle) and data modelling trade-offs You have a good understanding of cloud native architecture and modern engineering practices such as CI/CD, Test Automation, monitoring and observability You have an interest in AI and agentic systems, ideally having used in a commercial setting You're collaborative and pragmatic, comfortable working closely with Product Managers to explain technical aspects and trade-offs to shape delivery plans that balance speed, quality and risk Apply now to find out more about this Senior Software Engineer / Full Stack Developer (TypeScript Node React AWS) opportunity.

Security Architect (AppSec Greenfield) London / WFH to £120k Do you have expertise with securing modern, cloud based systems? You could be progressing your career in a senior, hands-on role leadership role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly growing Cyber Security insurance markets. What's in it for you: Salary to £120k + bonus 25 days holiday Private Medical Insurance (including dental and optical cashback) Life Insurance, Income Protection Pension Subsidised gym membership X4 paid volunteering days per year Season ticket loan Employee Assistance Programme Impactful role with great career progression Your role: As the Security Architect you'll partner with the CISO as the company embarks on a major transformation of its core platforms and systems, you'll ensure these changes are secure, resilient and compliant. This is a greenfield role where you will lead the design and review of secure architecture across strategic change projects; define and implement security standards across the full software development lifecycle; develop API security standards and secure integration patterns and conduct threat modelling and risk assessments for new technology implementations. Location / WFH: There's a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. About you: You have an in depth knowledge of application security and secure software development You have experience of conducting threat modelling, security risk assessments and architecture reviews You're collaborative and pragmatic with great communication skills Apply now to find out more about this Security Architect 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.

Backend Software Engineer / Developer (Python Data ML) Remote UK to £75k Are you a data savvy Backend Software Engineer with strong Python experience? You could be progressing your career in as a hands-on Backend Software Engineer role as part of a friendly and supportive international team at a growing and hugely successful European car insurance tech company as they expand their UK presence. What's in it for you: As a Backend Software Engineer / Developer you will receive a competitive package: Up to £75,000 salary Flexible / remote working including flexible working hours Ability to work 30 days from any EU country Diverse, inclusive team environment with a range of support networks (e.g. LGBTIQA+, Women's Networking group) Your role: As a Backend Software Engineer you will play a key role in building the foundational platforms that enable Machine Learning at scale across all countries where the company operates. You'll design and develop reliable systems and shared capabilities that support the full ML lifecycle, from experimentation to production, taking a lead role in developing platform tools, shared services and infrastructure. Collaborating closely with product managers and stakeholders, including data scientists and ML engineers, you'll help to support the full ML lifecycle, from experimentation and training to deployment and monitoring, continuously learning and stay up to date with emerging technologies, tools and industry trends to ensure the platform remains robust and future-proof. There's a supportive, diverse environment where you'll have your voice heard. Location / WFH: The company is a big advocate of flexible working and prides itself on DEI; you can work from home anywhere in the UK; you can also work at times that suit you. About you: You have strong Python backend development skills You have a deep knowledge of software design principles and architecture You have experience of working with Machine Learning models and workflows in production environments You have a good knowledge of software development practices like TDD and BDD, ensuring code is marked by quality, readability and maintainability You have a good working knowledge of CI/CD, IaC, containerisation technologies You have experience of working with messaging / streaming platforms (e.g. Kafka, RabbitMQ) and designing relational databases (e.g., MySQL, PostgreSQL) You're proficient with cloud-based systems (preferably AWS) You're collaborative and pragmatic with great communication skills Apply now to find out more about this Backend Software Engineer / Developer (Python Data ML) opportunity.

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.

Java Developer / Consultant (Java SpringBoot AWS) London / WFH to £90k Are you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career? You could be joining a global technology consultancy. As a Java Developer / Consultant you will design, develop and deliver a range of transformational projects for clients, mainly within the financial services sector and with a focus on migrating legacy systems to AWS and introducing CI/CD pipelines and cloud deployments. You'll join a collaborative team with a focus on engineering best practice and continuous improvement of client systems; you will have lots of business and client exposure and continual learning and development opportunities. Location / WFH: There's a hybrid work from home policy with three days a week in the London, City office (or at client sites), you'll join a friendly, diverse, upbeat team. About you : You have Java development skills including multi-threading and concurrency You have experience with SpringBoot and microservices environments You have a good knowledge of REST APIs You have a good understanding of AWS You have a thorough understanding of software development and Computer Science fundamentals such as Object Oriented Programming, Data Structures and Design Patterns You are familiar with DevOps, CI/CD pipelines You're collaborative, enjoy problem solving and interacting with clients What's in it for you: As a Java Developer / Consultant you will earn a highly competitive package: Salary to £90k Pension, 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 Java Developer / Consultant (SpringBoot AWS microservices Java) 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.

Technical Sales Engineer / Consultant London / WFH to £85k Are you a Technical Sales Engineer with great communication and client facing skills? You could be progressing your career at a successful and growing Cyber Security Risk Management tech company that specialises in solutions for SME's, working on complex and interesting systems at the cutting edge of technology. The company is scaling and enjoying great success. As a Technical Sales Engineer you'll act as the link between the Product Team, Engineering Team and the Client (mostly US based). Responsibilities will include supporting pre-sales engagements, gaining an understanding of client requirements, participating in technical pre-sales discussions and ensuring products meet the client's needs via expectation management. You'll also be the primary source of contact for customers when integrating the company's technology, you'll draft business process flows, specify API queries and assist with onboarding users to proof of concept. This Technical Sales Engineer role will give you the opportunity to be highly influential on the company's success and offers excellent career growth opportunities. Location / WFH: There's a hybrid work from home policy with three days in the London office or at client visits per week, with two days work from home. About you: You have experience as a Solution Consultant or similar position e.g. Pre-Sales Engineer, Implementation Engineer, Product Owner, Technical Project Manager within a SaaS environment You have a good technical understanding of APIs, databases, cloud platforms and can read HTML You're able to create business process diagrams, technical architecture and integration concepts You have experience of managing and developing business relationships You have excellent written and verbal communication skills Ideally you'll also have some SQL skills and experience within insurance or cyber security environments You're degree educated in a STEM discipline What's in it for you: As a Technical Sales Engineer you will earn a competitive salary plus benefits including: Salary to £85k + OTE commission Private Medical Healthcare including Dental and Vision cover Pension Share Option scheme Employee Wellness Programme Summer time hours £2k personalised training budget Apply now to find out more about this Technical Sales Engineer / Consultant opportunity.

Solution Architect (Microsoft Azure Fabric) London / WFH to £100k Are you a Microsoft focussed Solution Architect? You could be progressing your career at a growing software and technology consultancy. As a Solution Architect you will collaborate closely with the Pre-Sales Solutions Lead, working with clients and potential clients to scope out requirements and produce high level solution designs that primarily utilise Microsoft Azure and Fabric to deliver efficiencies and ROI for the customer. You'll work on multiple, concurrent projects in a fast paced environment, collaborating with sales / marketing and technology teams in an impactful role with excellent career growth opportunities. Location / WFH: You can work from home most of the time, meeting up with colleagues at the London office or client sites, typically 1-2 days a week. About you: You have experience as a Solution Architect within a pre-sales capacity You have a strong knowledge of Microsoft Azure (including landing zones, cloud migration to Azure, O365) and Microsoft Fabric (Data Lakes, PowerBI) You're collaborative and pragmatic with great communication skills, comfortable liaising with clients and internal teams, able to build productive working relationships What's in it for you: Salary to £100k + bonus 28 days holiday Pension Healthcare Regular social events Hybrid working Career growth opportunities Paid for certifications Apply now to find out more about this Solution Architect (Microsoft Azure Fabric) 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.

Junior Software Engineer / Developer (C++ Windows) Cambridge to £40k Are you a bright, ambitious Software Engineer with a strong grounding in Computer Science combined with commercial C++ development experience? You could be progressing your career at a small, specialist Medical Technology company that produce medical research software and applications. As a Junior Software Engineer you will design, develop and maintain new features and enhancements on the core products, written in C++, running on Windows, as well as working on data importers. You'll have exposure across the development lifecycle including assisting with testing of new software releases. There's a small team environment where you learn and develop your skills. Location: You'll be based at the North Cambridge office on a fulltime basis, Monday to Friday - there is parking available and a train station within a 15 minute walk. About you: You are degree educated, Computer Science (or closely related discipline preferred), with a good understanding of mathematics You have commercial C++ development experience (this may have been gained as an internship or placement) You have a thorough understanding of CompSci fundamentals such as OOP, data Structures, Design Patters, Algorithms You are collaborative and enjoy problem solving What's in it for you: As a Junior Software Engineer / Developer (C++ Windows) you will receive: Salary to £40k Pension Free onsite parking Apply now to find out more about this Junior Software Engineer / Developer (C++ Windows) opportunity.