381 jobs found

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.

Job Title: Lead Software Engineer Salary: £73,000 - £80,000 GBP Location: Cambridge, UK Contract: Permanent, Full time 35 hours per week. Join our team at Cambridge University Press & Assessment and utilise your skills to make a real difference! As a full-stack web developer, you'll be adept and thrive in creating cutting-edge eLearning solutions with Typescript and ReactJS. Collaborate with a talented team of professionals to develop software that fits the unique business demands. By contributing to our platforms, you'll elevate our customers' experiences in meaningful ways. Take the opportunity to mentor up to two software engineers, nurturing their growth while propelling your own career forward within this organisation and innovate. We are Cambridge University Press & Assessment, a world-leading academic publisher and assessment organisation and a proud part of the University of Cambridge. About the role Proactively lead solutions and contribute to architectural principles, best practices and guidance within the English Engineering team. Actively develop and maintain complex, feature-rich web services and applications with different technologies but primarily Typescript. Design and develop solutions that maximize the use of our Amazon AWS partner agreement. Participate and lead paired programming activities. Engage, participate and lead in the code review process with a focus to ensure the highest quality of code is produced. Demonstrate agile development practices. Closely work within a cross-functional team including design, UX, Architects, Developers, QA, Product owners and Business stakeholders. Ensure all software produced is robust by contributing to a testing strategy. Participate as a lead member in the requirements gathering process focusing on technical requirements and generating requirements from a product vision. Advise and collaborate with other Lead Software Engineers and Engineering management to help develop and maintain our data products. About you 7+ years' or relative experience in full-stack development. JavaScript/Typescript is preferred but Python and Java are also desirable. A strong understanding of coding best practices, frameworks, code architecture, object orientation and new arising technologies. Experience in Agile development teams whether it be Scrum, Scrumban, Kanban or a scaled agile frameworks. Proactive and ability to think flexibly and quickly. Ability to research and learn new technologies and understand technical specifications. Natural problem solver. Good team player, with excellent communication and interpersonal skills. Ability to stay open-minded, listen and learn from feedback across the business to enable continuous improvement and engineering excellence. If you would like to know more about this opportunity and what will make you successful, please see the full job description attached to the bottom of this vacancy on our careers site. Rewards and benefits We will support you to be at your best in work and to live well outside of it. In addition to competitive salaries, we offer a world-class, flexible rewards package , featuring family-friendly and planet-friendly benefits including: 28 days annual leave plus bank holidays Private medical and Permanent Health Insurance Discretionary annual bonus Group personal pension scheme Life assurance up to 4 x annual salary Green travel schemes We are a hybrid working organisation, and we offer a range of flexible working options from day one. We expect most hybrid-working colleagues to spend 40-60% of their time at their dedicated office or location. We will also consider other work arrangements if you wish to work more flexibly or require adjustments due to a disability. Ready to pursue your potential? Apply now. We review applications on an ongoing basis, with a closing date for all applications being 13th April. Interviews will take place during the campaign and it will be closed then successful person is met in this time. Please note that successful applicants will be subject to satisfactory background checks including DBS due to working in a regulated industry. Cambridge University Press & Assessment is an approved UK employer for the sponsorship of eligible roles and applicants under the Skilled Worker visa route. Please refer to the gov.uk website for guidance to understand your own eligibility based on the role you are applying for. Why join us Joining us is your opportunity to pursue potential. You'll belong to a collaborative team that's exploring new and better ways to serve students, teachers and researchers across the globe - for the benefit of individuals, society and the world. Sharing our mission will inspire your own growth, development and progress, in an environment which embraces difference, change and aspiration. Cambridge University Press & Assessment is committed to being a place where anyone can enjoy a successful career, where it's safe to speak up, and where we learn continuously to improve together. We welcome applications from all candidates, regardless of demographic characteristics (age, disability, educational attainment, ethnicity, gender, marital status, neurodiversity, religion, sex, gender identity and sexual identity), cultural, or social class/background. We believe better outcomes come through diversity of thought, background and approach. We welcome applications from people from all backgrounds and communities, actively seeking to employ people from a wide range of different communities. Documents Job Description - Lead Software Engineer - UK.pdf (115.86 KB)

A fast-growing Claims Management company based in Liverpool is requires a hands-on Lead Integration Engineer & Developer to take ownership of their growing integration platform connecting core internal systems with external partners and services. This is a high-impact role combining deep technical delivery with architectural leadership. you'll spend a significant portion of your time building production systems, while also shaping the future of their integration ecosystem. The platform is built around HubSpot and a modern event-driven architecture in AWS, and you'll play a key role in defining how they design APIs, process events, and scale integrations across the business. The role is paying £90,000-£100,000 plus good benefits and is a hybrid role (3 days in the office 2 working from home), but with attendance in the central Liverpool office encouraged, given the nature of the role and the team management aspect. Technology Environment Core Stack AWS (Lambda, API Gateway, EventBridge, SQS, SNS) Node.js/Javascript/TypeScript and Python Data & Infrastructure DynamoDB, RDS Infrastructure as Code (Terraform, CDK, CloudFormation) CloudWatch and observability tooling Integrations HubSpot (CRM) Internal microservices and external APIs Required Experience 7+ years in Back End or platform engineering Strong hands-on AWS experience (serverless preferred) Proven experience with distributed, event-driven systems Experience integrating with third-party APIs End-to-end ownership of systems (design - build - operate) Technical Expertise Event-driven architecture (EventBridge, SQS, SNS, Kafka) Reliability patterns (retries, idempotency, DLQs) Observability and debugging in distributed systems Data modelling and schema evolution Leadership & Collaboration Ability to lead technical design and influence architecture Experience mentoring engineers Strong communication across technical and non-technical teams Comfortable in a fast-paced, evolving environment Desirable Experience with HubSpot or CRM integrations Ownership of internal integration platforms High-volume event ingestion or Real Time pipelines Containerisation (Docker, ECS, Kubernetes) Observability tools (Datadog, OpenTelemetry)

Role: Fullstack Developer - Python & React Location: London (Hybrid; up to 3 days per week onsite) Salary: £45,000 - £65,000 (DOE) Clearance: Active SC We are partnering with a leading technology consultancy to find a Full-Stack Engineer for their public sector team in London. This is a brilliant opportunity for someone with 3 to 5 years of experience looking to master AWS serverless architecture. The Tech Stack Back End: Python (RESTful APIs, Microservices) Front End: React, TypeScript Cloud: AWS (Lambda, DynamoDB, SQS) Ops: CI/CD pipelines, Automated Testing, Git What You'll Do Design and maintain full-stack solutions hosted on AWS. Work with serverless technologies to solve complex public sector challenges. Participate in Agile ceremonies and work closely with DevOps and QA to ensure seamless delivery. Lead/participate in code reviews and troubleshoot issues across the entire stack. What We're Looking For You must hold an active SC Clearance. 3+ years of commercial experience with Python and React/TypeScript. Hands-on experience with AWS services (specifically Lambda, DynamoDB, SQS). Familiarity with AWS (specifically Lambda/DynamoDB).

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job Title : Lead UI Developer / React Contract : Initial 12-Month Contract with potential to extend . Location : London (In office) Rate : £850 - £900 inside umbrella What You'll Do: As the Lead UI Developer, you will spearhead the development of our flagship Triforce Credit Project. You will be responsible for designing and implementing cutting-edge user interfaces that cater to front office e-trading applications. Your expertise will ensure that our software is not only highly functional but also delivers an exceptional user experience. Key Responsibilities: Lead the development of front office e-trading applications with a focus on low latency and performance. Collaborate with cross-functional teams to ensure seamless integration of UI components. Mentor and guide junior developers, fostering a culture of innovation and excellence. Stay up-to-date with industry trends and best practices to continually improve our UI strategies. What You Bring Deep Expertise: A proven track record of delivering complex, enterprise-grade front-office e-trading systems in high-pressure, real-time environments. Technical Authority: Languages: Exceptional command of JavaScript and TypeScript, with the ability to architect, optimise, and scale mission-critical applications. Front-End Frameworks: Mastery of React and Redux, with extensive experience shaping robust UI architectures used in demanding trading workflows. Back-End: Strong working knowledge of Java, capable of contributing effectively to full-stack solutions when required. Industry Insight: A comprehensive understanding of the full trading lifecycle within investment banking, particularly across Fixed Income or FX, with the ability to navigate front-office workflows and trading system behaviours at a granular level. Why Join Us? Innovative Environment: Be a part of a team that thrives on creativity and innovation, where your ideas will be valued. Career Growth: Opportunities for professional development and career advancement are abundant. Impactful Work: Contribute to projects that directly influence the efficiency and effectiveness of trading operations in the financial sector. Collaborative Culture: Work alongside talented professionals who are passionate about technology and finance. Adecco is a disability-confident employer. It is important to us that we run an inclusive and accessible recruitment process to support candidates of all backgrounds and all abilities to apply. Adecco is committed to building a supportive environment for you to explore the next steps in your career. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you. We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention.

Full Stack Developer C#, .Net Core, React Hybrid - Poole, Dorset (1 / 2 days per week in the office) £40,000 - £50,000 We're looking for a Full Stack Developer with demonstrable Front-End skills to join an agile software team and help build innovative, life-critical SaaS solutions for a global security company. You'll play a key role and be involved in all aspects of the Software Development Life Cycle (SDLC) including design, development, testing, deployment, release, and monitoring of applications. What You'll Do Contribute to both frontend and backend development across the full stack using .NET and React with TypeScript. Collaborate with Stakeholders, Designers etc to translate business requirements (e.g. Figma designs) into performant, accessible, and responsive user interfaces using React. Champion high standards of frontend development, including reusable components, clean architecture, and consistent styling practices. Take part in a critical IT incident on-call support rota. Required Skills: Strong experience with C#, .NET Core Frontend expertise with React Solid understanding of HTML, CSS, and JavaScript/TypeScript, with a focus on responsive and accessible UI development. Knowledge of component-based architecture and frontend best practices. Experience with MS SQL and Entity Framework. Familiarity with MVC architecture and RESTful APIs. Experience using version control systems (e.g., Git). Understanding of Test Driven Development (TDD) and automated testing approaches. If you have the relevant skills for this role and are ready for the challenge, then please send your CV to

If you are a Full Stack Developer with strong UI experience, we have a new 1-year FTC we'd like to discuss with you. This role would be ideal for someone with 3-5 years' experience and requires 3 days per week onsite in The City of London. About the Company A leading global financial services firm specialising in electronic trading and liquidity solutions is undergoing a significant technology transformation. With an established presence across major financial hubs, the business works with top-tier institutional clients and is investing heavily in modernising its trading platforms and infrastructure. This is an opportunity to join a high-performing, collaborative technology team working on cutting-edge, real-time systems within a fast-paced environment. The Role We're looking for a mid-level Full Stack Developer with strong front-end expertise to play a key role in delivering next-generation trading applications. You'll join a small Agile team, working closely with both technology and business stakeholders on greenfield and enhancement projects, with a particular focus on real-time UI development. This role would suit someone who thrives in a dynamic environment and enjoys building high-performance, user-centric applications. Key Responsibilities Translate user stories into scalable, high-quality technical solutions Contribute to Agile ceremonies including sprint planning, stand-ups, and retrospectives Design, build, test, and deploy applications within a microservices architecture Develop responsive, real-time front-end interfaces for trading workflows Build proof-of-concepts (PoCs) and UI prototypes to support business requirements Write and maintain integration tests as part of the development lifecycle Collaborate with cross-functional teams to deliver key milestones Provide support for production systems when required Technical Skills & Experience Essential: Strong experience with Next.js, React, and TypeScript Solid front-end engineering experience, ideally within real-time or trading environments Experience with WebSockets or SignalR for real-time communication Backend development experience with .NET (C#) and/or Python Strong understanding of REST APIs and microservices architecture Experience with message brokers (e.g. RabbitMQ or Kafka) Knowledge of caching technologies (e.g. Redis) Experience with Azure DevOps / CI/CD pipelines / Git Working knowledge of SQL and NoSQL databases Experience with cloud platforms (Azure or AWS) Desirable: Experience with containerisation (Docker, Kubernetes) Knowledge of financial systems or trading platforms Exposure to FIX protocol Understanding of asset classes such as FX, derivatives, or similar Qualifications & Experience Degree in Computer Science, Engineering, or a related field 2-3 years' experience in full stack or front-end development Prior experience working on data-driven or real-time UI applications preferred Exposure to Agile delivery environments Key Attributes Proactive and self-motivated, with the ability to work independently Comfortable working in a fast-paced, evolving environment Strong attention to detail and quality Effective problem solver with a pragmatic approach Collaborative team player with strong communication skills

Front End Developer (SC Cleared) Location: Ipswich (100% On-site) Contract Length: 6 Months Security Clearance: Active SC Clearance Required (Immediate Start) The Role We are seeking a highly skilled Front End Developer with a strong software engineering background to lead the modernization of our application suite at Adastral Park. This is a hands-on role where you will be responsible for transitioning existing applications to a TypeScript and React baseline, utilizing our established internal boilerplate to drive security, performance, and development efficiencies. As a key contributor in an Agile environment, you won't just be coding; you will be the bridge between technical execution and product vision-capturing requirements directly from Product Owners and translating them into high-quality, version-controlled software. Core Objectives Modernization: Align legacy applications with our current TypeScript/React baseline and internal standards. Security & Efficiency: Enhance application security protocols and streamline front-end performance. End-to-End Delivery: Manage the full development lifecycle, from requirement capture in JIRA to final stakeholder demos. Agile Leadership: Drive sprint ceremonies and maintain transparency through regular progress demonstrations. Key Responsibilities Technical Audit: Assess and document the current state of existing applications to identify rewrite constraints. Requirement Engineering: Collaborate with Product Owners to define features and break them down into actionable JIRA stories. Development: Execute the re-write of applications using React and TypeScript, ensuring strict adherence to version control and coding standards. Collaboration: Participate in all Agile ceremonies (stand-ups, retrospectives, and planning) and lead demos for stakeholders. Documentation: Ensure all technical documentation is updated to reflect the new architecture and deployment workflows. Technical Requirements Core Stack: Expert-level proficiency in React and TypeScript . Engineering Excellence: A deep background in software engineering principles (DRY, SOLID, Modular Design). Tooling: Experience with JIRA for task management and Git for version control. Standardization: Proven experience working with "Boilerplate" architectures to ensure consistency across large-scale projects. Process: Strong familiarity with Agile methodologies and the full SDLC. Mandatory Criteria Security Clearance: You must hold current and active SC Clearance due to the nature of the site and data. On-site Presence: This role requires being on-site 5 days a week at Ipswich. No remote/hybrid options are available for this initial 6-month term. Availability: Immediate start preferred. Randstad Technologies is acting as an Employment Business in relation to this vacancy.

Software Developer 3/4 Days per week in the Portsmouth Office C#, .Net Core, VueJS, Typescript 45,000 - 50,000 Software Developer required to join a progressive and leading company within the automotive industry. As a Software Developer you will help to transform the whole digital product suite. They want to take an API first approach and build this out in .NET. and new front ends in Vue.Js. You will be working on some greenfield projects and using best practice engineering processes and approaches, and driving the capabilities of the platform, ensuring continuous product improvement. Skills Required: C# .Net Core Typescript Experience in VueJS (Preferable), React, Angular. MS SQL Server / T-SQL Experience with modern CI/CD pipelines highly desirable Understanding of Design Patterns, OOP, SOLID, and Clean Code a must If you have the relevant skills for this role and are ready for the challenge then please send your CV to (url removed) Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

JavaScript Developer with strong commercial Next.js experience is sought by a market leading PaaS organisation based in central Manchester. With recent investment this JavaScript Developer will play a crucial role in new product & feature development offering high level of autonomy to help shape the future of this market leading solution. As the team scales and adds additional functionality this mid-level JavaScript Developer will work closely with the CTO to upskill and progress with scope to learn and work with AI, Data and cloud technology. This role would suit a Developer with a couple of years commercial experience,. Ideally gained in a product focussed engineering team who is keen to work full stack. This company support real commitment to a healthy work life balance with hybrid, flexible working alongside a collaborative, autonomous team culture. This JavaScript Developer based near Manchester should have most of the following key skills - Strong commercial next.js experience - Willingness to work full stack - Solid JavaScript/ typescript/ node exposure - A strong communicator who is happy to get involved with stakeholder - Experience building and supporting web applications in AWS would be a real plus - Any hobbyist or academic Python exposure would be useful - Experience working in a Product or PaaS environment In return this JavaScript Developer based near Manchester will receive: - Starting salary of up to £60,000 - Bonus scheme - Short working week with flexible working hours - Hybrid working (3 days a week in the office) - Great progression opportunities - 30 days annual leave plus bank holidays - Private healthcare - Regular salary reviews - A well-structured training scheme with external certifications So if you are a JavaScript Developer who is looking to get involved in shaping the technical output of a successful, scaling organisation please apply now to be considered and for further info. Manchester JavaScript, Node, AWS, serverless architecture JavaScript, CI, CD, Test driven development, Typescript, next.js

Software Engineer Glasgow (Hybrid 2-3 days) Up to £60,000 Overview An excellent opportunity to join a well-regarded Ed-Tech organisation with a strong presence in Glasgow. You will have the opportunity to shape and build solutions used by students across the globe. We're looking for a curious, delivery-focused Software Engineer to help build and improve a modern digital product used by thousands of learners. You'll work across the stack, ship quality features in small increments, and use data and observability to keep the platform reliable as it grows. Responsibilities Translate product goals into pragmatic technical approaches, including lightweight designs and realistic delivery estimates. Build, enhance and refactor features using modern web and service-side technologies (with JavaScript/TypeScript as the mainstay). Write code that's easy to read, easy to change, and built to last, so the next engineer can pick it up quickly. Back your changes with automated tests (unit and integration where appropriate) to keep releases safe and predictable. Work confidently with data stores and data flows; querying, modelling, and moving data between systems. Use monitoring, logs and metrics to spot issues early, investigate root causes and prevent repeat incidents. Ship work through an automated build-and-release process and help improve it when it gets in the way. Collaborate in a healthy engineering culture: thoughtful pull-request reviews, design discussions and shared ownership. Document key decisions (the "why" as well as the "what") to make future change faster and safer. Continuously look for opportunities to improve performance, reliability and developer experience, then make them happen. Requirements Several years' commercial experience delivering software in a team environment (experience in learning/education products is a bonus, not a requirement). Confidence owning a piece of work end-to-end: shaping the approach, building it, testing it, releasing it, and improving it based on feedback. Strong JavaScript/TypeScript skills, with hands-on experience building services and/or web applications. Experience with Node.js & React. Exposure/commercial experience with Python. Comfort working with CI pipelines and routine release processes. Experience of cloud-hosted environments and the basics of operating software in production. Clear communication. You should be able to explain trade-offs, ask good questions, and collaborate with product and engineering peers. A learning mindset: you keep up with emerging tools and patterns and can explain when (and when not) to adopt them. Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients. If you need any help or adjustments during the recruitment process for any reason , please let us know when you apply or talk to the recruiters directly so we can support you.

We are looking for a highly motivated Software Engineer to join a well established digital solutions company based in Stonehouse, Gloucestershire. 35,000 - 40,000 - hybrid working - Immediate start! They are looking for someone who enjoys solving problems, takes pride in their work, and is keen to learn and grow. Languages and Frameworks: TypeScript JavaScript React Angular HTML/SCSS C# Daily responsibilities: Developing new features and enhancements for their platform Building modern frontend applications using Angular and React Contributing to backend development, using C# Working on bespoke development tasks for customer requirements and internal projects Writing clean, maintainable, and well-tested code Creating unit tests and automated end-to-end tests Using source control to manage and maintain code effectively Working within an Agile environment and participating in team meetings Collaborating with engineers, designers, and product owners Contributing across the full software development lifecycle What we're looking for: Essential: Frontend development experience through a commercial role Experience with JavaScript or TypeScript Experience with a modern frontend framework (React/Angular preferred, but not essential) Good understanding of HTML and CSS / SCSS Willingness to learn backend development Ability to independently problem solve, but also the temperament to work collaboratively within a team Desirable: Experience with React/Angular Experience with C# or backend development A relevant degree Full, clean driving licence Experience with agile development methodologies What we offer Mentorship and support from experienced engineers The opportunity to work on real features used by real customers The chance to develop full-stack development skills A friendly, supportive, and collaborative team environment Opportunity to progress into a senior software developer position This role will require you to work on a hybrid basis 3 days per week in the office in Stonehouse so you must be commuting distance from that location. Sponsorship will not be provided for this position. We are interviewing currently so apply now for immediate consideration for the Software Engineer position or contact Stuart Barnes at ITSS Recruitment for further information.

A high-growth, award-winning specialist lender is seeking a Junior Software Developer to help build and implement a highly automated, bespoke lending platform. Having featured on the Financial Times 1000 fastest-growing companies in Europe for two consecutive years, this firm is now looking to transform its operating efficiency and scalability through in-house technology. Location : London Hybrid : 4 days on-site, 1 day remote Salary : £40,000 to £45,0000 This is a frontend-focused role with some backend requirements. You will join a small, agile team and work directly with the company s co-founders, playing a fundamental role in the evolution of their technology stack. Responsibilities Build and maintain modern web applications using React and Next.js . Develop clean, intuitive user interfaces with a strong focus on UI design and usability. Integrate frontend components with RESTful APIs and backend services. Work with Node.js and related development tools to support the full application lifecycle. Collaborate on CI/CD pipelines and ensure high-quality code through testing and TDD practices. Assist in the transition towards highly automated, data-driven lending processes. Requirements Proficiency in TypeScript and JavaScript . Strong experience with React and Next.js. Experience using Node.js. Proven ability in UI development and CSS styling libraries. Working knowledge of RESTful APIs and frontend-backend integration. Exposure to cloud platforms (Azure, AWS, or GCP). Understanding of CI/CD pipelines and testing practices (TDD). Desirable Skills Python and FastAPI for backend development. Experience with AI-assisted development tools and AI agents. Awareness of Model Context Protocol. Experience working with Figma or collaborating from design files. This role is ideal for a motivated and disciplined developer, whether self-taught, formally educated, or professionally experienced, who wants to see their code have a direct impact on a company s growth and operational success. Ripple Recruitment is acting as an employment agency for this vacancy. My client is an equal opportunity employer committed to fostering a diverse and inclusive workplace. Due to high volumes of interest, we can only respond to shortlisted applicants.

Senior Developer Senior Software Engineer C#, .Net, Typescript, JavaScript Hybrid, 1-2 days near Liverpool Street Salary, 85,000 to 95,000 + benefits If you enjoy solving complex engineering problems, learning from highly capable peers, and working on a product where your contribution genuinely matters, please read on. We're hiring for a growing, well-funded SaaS business building a sophisticated, data-driven platform that helps organisations understand and manage complex information at scale. The company is in an early investment phase with strong growth ambitions, offering real scope for progression and the chance to help shape both the product and engineering direction. You'll be part of a bright, collaborative team of talented software engineers and academically strong problem-solvers who value clean design and thoughtful architecture. The Role As a Full Stack Engineer, you'll design and deliver features across a modern stack, working on scalable backend services and intuitive front-end applications that present complex data clearly. Key Responsibilities: Building full-stack features using C#, .NET and TypeScript/React Developing scalable backend services for complex data workflows Creating responsive, user-friendly interfaces Exploring new technologies and contributing to technical improvements Working collaboratively in an agile engineering environment Essential Skills & Experience Strong commercial experience as a Software Developer or Full Stack Engineer 5+ years experience with C# / .NET and modern JavaScript or Typescript (React preferred) Strong problem-solving ability and a collaborative mindset A Bachelor's degree in Computer Science or Software Engineering. 2.1 or above Why Join? Technically challenging, data-driven SaaS product Strong investment for growth Work alongside a highly capable and intellectually strong team Excellent learning opportunities and clear progression as the company grows If you're looking for a role where you can learn quickly, tackle interesting technical challenges, and grow with an ambitious product business, hit apply ! Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Want to own technical direction not just tickets? Technical Lead Developer - Full Stack - JavaScript, TypeScript, Node.js Portsmouth (Hybrid - 1 day per week onsite) Up to 100,000 + benefits If you're the kind of engineer who naturally sets technical standards, challenges architectural decisions, and raises the bar for everyone around you, this is your opportunity to lead from the front. We're partnered with a fast-scaling UK SaaS technology company building sophisticated, data-driven digital products used by commercial teams to better understand and engage their customers. As they evolve their next-generation customer-facing platforms, they're looking for a Technical Lead to take ownership of technical delivery and architectural direction. This is a hands-on leadership role. You'll be involved from early design through to production deployment, working in a modern cloud environment, where code ships to live environments daily. Tech Environment You'll work with a modern stack including: TypeScript, JavaScript Microservices Architecture Redis, SQL Server & Snowflake AWS cloud infrastructure Mature CI/CD pipelines and DevSecOps practices It's a fast-moving SaaS environment with continuous deployment and a strong emphasis on engineering quality. About You You're a senior full stack engineer who has naturally evolved into technical leadership. 10+ years' experience in full stack development 3+ years' commercial TypeScript experience Strong Node.js expertise Proven background in system design and scalable architectures Experience building and operating large, production SaaS platforms A clean-code mindset (SOLID principles, design patterns, testable systems) Experience working within mature CI/CD environments Strong commercial awareness when designing solutions Confident communicator who collaborates effectively with stakeholders An interest in leveraging AI to improve and accelerate development Passion for performance, security, and engineering excellence Computer Science degree or equivalent real-world expertise Interested? If you're ready to shape technical direction in a high-growth SaaS environment, without stepping away from hands-on engineering, this could be the move. Apply now or contact me to talk: (url removed) Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Technical Lead Full Stack Developer (TypeScript, JavaScript, Node) Location: Hybrid working within Hampshire Salary: Competitive + benefits We're working with a fast-growing UK SaaS technology company that builds data-driven digital products used by commercial teams to better understand and engage with their customers. They are now looking for an experienced technical lead full stack developer to play a key role in shaping and delivering their next generation of customer-facing platforms. This is a hands-on technical leadership role where you'll be involved from early design through to production delivery, working with a modern cloud-based stack and deploying to live environments on a daily basis. The Role Lead technical delivery across a high-performing development squad (10+) Contribute to solution design, system architecture and domain modelling Build proof-of-concepts and spike complex or uncertain areas of work Break down requirements into deliverable epics and user stories alongside product and initiative managers Develop and deliver production-ready code across the full stack Ensure high standards of quality, maintainability, performance and security Support and improve live systems once deployed Influence technical direction, tooling and best practice across the wider engineering function Tech Environment You'll work with a modern stack including: Node.js microservices JavaScript & TypeScript Vue.js Redis, SQL Server & Snowflake AWS cloud infrastructure CI/CD pipelines and DevSecOps practices About You Strong full stack development experience (ideally 10+ years) 5+ years of JavaScript and TypeScript experience Solid background in system design and scalable architectures Experience building large, production SaaS platforms A clean-code mindset (SOLID principles, design patterns, testable code) Experience working in mature CI/CD and continuous deployment environments A commercial mindset when designing and delivering software Excellent collaboration skills and confidence working with stakeholders Interest in using AI to accelerate and improve software development A passion for performance, security and engineering best practice Degree in Computer Science or equivalent real-world experience What's On Offer Competitive salary and benefits package Hybrid working (1 day per week in the Fareham office) Opportunity to join a scaling UK SaaS business Strong engineering culture with a focus on quality and continuous improvement Supportive, collaborative working environment Community and charity initiatives, including volunteer days Send your CV across to me on email (url removed) or call (phone number removed) for more information. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Technical Lead Full Stack Developer (TypeScript, JavaScript, Node) Location: Hybrid working within Hampshire / West Sussex Salary: Competitive + benefits We're working with a fast-growing UK SaaS technology company that builds data-driven digital products used by commercial teams to better understand and engage with their customers. They are now looking for an experienced technical lead full stack developer to play a key role in shaping and delivering their next generation of customer-facing platforms. This is a hands-on technical leadership role where you'll be involved from early design through to production delivery, working with a modern cloud-based stack and deploying to live environments on a daily basis. The Role Lead technical delivery across a high-performing development squad (10+) Contribute to solution design, system architecture and domain modelling Build proof-of-concepts and spike complex or uncertain areas of work Break down requirements into deliverable epics and user stories alongside product and initiative managers Develop and deliver production-ready code across the full stack Ensure high standards of quality, maintainability, performance and security Support and improve live systems once deployed Influence technical direction, tooling and best practice across the wider engineering function Tech Environment You'll work with a modern stack including: Node.js microservices JavaScript & TypeScript Vue.js Redis, SQL Server & Snowflake AWS cloud infrastructure CI/CD pipelines and DevSecOps practices About You Strong full stack development experience (ideally 10+ years) 5+ years of JavaScript and TypeScript experience Solid background in system design and scalable architectures Experience building large, production SaaS platforms A clean-code mindset (SOLID principles, design patterns, testable code) Experience working in mature CI/CD and continuous deployment environments A commercial mindset when designing and delivering software Excellent collaboration skills and confidence working with stakeholders Interest in using AI to accelerate and improve software development A passion for performance, security and engineering best practice Degree in Computer Science or equivalent real-world experience What's On Offer Competitive salary and benefits package Hybrid working (1 day per week in the Fareham office) Opportunity to join a scaling UK SaaS business Strong engineering culture with a focus on quality and continuous improvement Supportive, collaborative working environment Community and charity initiatives, including volunteer days Send your CV across to me on email (url removed) or call (phone number removed) for more information. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

We have a current opportunity for a React Developer on a permanent basis. The position will be based in London. For further information about this position please apply. The Opportunity The ETrading Terminal is the interface through which professional traders and institutions access the world's most important commodity market - live, with depth and precision no competitor can match. You will own the architecture of that experience. This is not a UI layer on top of a data API. It is a real-time, high-throughput trading interface used by some of the most demanding users in financial markets. You will define how it is built, set the patterns the team follows, and push the boundaries of what a browser-based trading platform can do. Requirements 10+ years engineering; 5+ years building production React at scale - component lifecycle, rendering behaviour, and bundle architecture are instincts TypeScript mastery in strict mode - complex generics, discriminated unions, conditional types, and type-safe API boundary design Vite and modern build tooling; tree-shaking, chunk strategy, module federation, and build performance optimisation in CI State management at scale: Zustand, TanStack Query, or equivalent; separation of server, client, and ephemeral UI state High-frequency WebSocket data at tick-by-tick rates - back-pressure handling, dropped-frame detection, and reconnection strategy Browser internals: rendering pipeline, layout/paint/composite lifecycle, memory profiling, GC pressure, and long-task detection WebGL, Canvas, or custom rendering engine for high-density, real-time financial data visualisation Design system ownership - token architecture, component API design, versioning strategy, and cross-team adoption at scale Testing discipline: unit, integration, E2E (Playwright/Cypress), visual regression, and performance budget enforcement in CI GraphQL or REST API co-design with backend teams; schema-first development and automated type generation Track record of measurably improving engineering standards - patterns or tooling adopted org-wide Cloud infrastructure - Azure preferred, AWS considered; IAM, managed services, automated and auditable deployment pipelines, secrets management Nice to Have Trading UI experience (any asset class) - order books, depth ladders, RFQ workflows, option chains, or execution blotters Micro-frontend architecture at scale; WASM integration for performance-critical in-browser computation High-frequency streaming data; managing back-pressure and dropped-frame rendering under sustained load Financial services or capital markets front-end background; familiarity with market data normalisation What We're Looking For You are the engineer others come to when they do not know what is possible - and you show them. The ETrading Terminal is seen by the world's most sophisticated market participants. You take that personally, ship things that are fast and resilient, set a standard others aspire to, and treat innovation not as a project but as how you approach every ticket. To find out more about Huxley, please visit (url removed) Huxley, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy Registered office 8 Bishopsgate, London, EC2N 4BQ, United Kingdom Partnership Number OC(phone number removed) England and Wales

Senior Full Stack Developer Mode of working: London- 3 days onsite Type of Employment: Permanent Interview Format: 1. Live coding+ 2 interview rounds. The Senior Full Stack Developer Role As a Senior Full Stack Developer , you will design and deliver end-to-end application solutions using cloud platforms such as Azure, AWS or GCP, alongside modern technologies including NoSQL databases, Python, React, TypeScript and DevOps tooling. You will work on cutting-edge projects, develop scalable applications and collaborate with cross-functional teams to deliver high-quality solutions. Senior Full Stack Developer Key Responsibilities: Own the end-to-end architecture across front-end, back-end, APIs, data and system integrations. Define reference architectures, technology standards and design principles for development teams. Make strategic technical decisions balancing scalability, security, cost efficiency and delivery speed. Design and develop accessible, secure and scalable front-end applications using React and TypeScript. Establish standards for state management, authentication flows and UI/UX consistency. Architect back-end services using Node.js or Python, including REST APIs and event-driven patterns. Apply microservices principles, resiliency patterns and fault-tolerant design. Model and manage relational and NoSQL databases such as MongoDB and Postgres, including caching and data access strategies. Architect cloud-native solutions on AWS, Azure or GCP, incorporating CI/CD pipelines and Infrastructure as Code. Build for high availability, disaster recovery, cost optimisation and embedded observability. Apply secure coding practices and design robust authentication, authorisation and data-protection models. Ensure compliance with enterprise security policies and regulatory standards. Senior Full Stack Developer Essential skills / knowledge / experience: Hands-on experience in software development and solution architecture. Deep expertise in Azure, AWS or GCP cloud services. Strong background in backend development (TypeScript, React, Node.js, Python), REST APIs and microservices. Experience working with NoSQL databases such as MongoDB or Postgres. Proficiency with CI/CD pipelines, Infrastructure as Code and DevOps practices. Excellent communication and presentation skills, with the ability to articulate complex concepts clearly. Familiarity with AI/ML integration and secure cloud architecture is an advantage.

C#, .NET, SOLID, Agile, React, JavaScript/Typescript, Pair Programming, AWS, Azure, IaC, Hit, SQL Server, NoSQL, API's This is a lovely new permanent opportunity for a bright, capable, positive software developer to join our client's IT team in Cambridgeshire. Attitude and aptitude are as important as key skills, but it is expected that you will have 2 years plus C#.NET as a minimum. Permanent only. There is no visa sponsorship or visa transfer on offer. The role would involve 1 day a week in Peterborough, accessible from St Pancras/Kings Cross, and perfect for anyone in Cambridgeshire or within a 2-hour commute. The tech stack is Microsoft-based but also uses AWS. If you are interested in finding out more, please email a CV to Karen at Jump IT in the first instance.