1 to 25 of 293 Senior Developer Jobs in London

Senior Go Developer London, UK 6 Month Contract An incredible opportunity for an experienced Senior Go Developer with strong backend engineering skills to join a prestigious tech client on a contract basis. Known for its high bar for engineering quality, this isn't your typical banking … or fintech gig - contractors here are genuinely embedded, involved, and making meaningful impact from day one. As a Senior Go Developer, you'll play a key role in building mission-critical, data-driven services that power core parts of the platform. You'll take ownership across the full … built and the trust to get on with it - whether that's improving infrastructure, shipping new features, or quietly refactoring something that needs it. Senior Go Developer - Key Requirements: Significant professional experience in software development, with a strong focus on backend systems Proficiency in Go/Golang and More ❯

Senior Go Developer London, UK 6 Month Contract An incredible opportunity for an experienced Senior Go Developer with strong backend engineering skills to join a prestigious tech client on a contract basis. Known for its high bar for engineering quality, this isn't your typical banking … or fintech gig - contractors here are genuinely embedded, involved, and making meaningful impact from day one. As a Senior Go Developer, you'll play a key role in building mission-critical, data-driven services that power core parts of the platform. You'll take ownership across the full … built and the trust to get on with it - whether that's improving infrastructure, shipping new features, or quietly refactoring something that needs it. Senior Go Developer - Key Requirements: Significant professional experience in software development, with a strong focus on backend systems Proficiency in Go/Golang and More ❯

Role: Senior Web Developer Job Type: Full-time (Hybrid – 4 days onsite a month) Salary: £60,000 - £65,000 Benefits: Company pension, private medical insurance, WFH & more... My client, a fast-growing digital experience agency, is seeking an ambitious and challenge-driven full-stack developer to join … of holiday each month) Company events & social hours Profit share scheme 23 days of holiday Boutique agency environment with a small team working alongside senior management Hybrid working opportunities (work from home or the office in Barbican, London) Professional Development Programme (Training) & Rockstar Awards Programme A learning culture fostering … have at least 2 years of working with an agency or start-up. If this sounds like it its of interest, apply now! Keywords: Senior Web Developer, Senior Developer, WordPress, Headless CMS, React, Next.js, GraphQL, Full Stack Developer. More ❯

Role: Senior Web Developer Job Type: Full-time (Hybrid – 4 days onsite a month) Salary: £60,000 - £65,000 Benefits: Company pension, private medical insurance, WFH & more... My client, a fast-growing digital experience agency, is seeking an ambitious and challenge-driven full-stack developer to join … of holiday each month) Company events & social hours Profit share scheme 23 days of holiday Boutique agency environment with a small team working alongside senior management Hybrid working opportunities (work from home or the office in Barbican, London) Professional Development Programme (Training) & Rockstar Awards Programme A learning culture fostering … have at least 2 years of working with an agency or start-up. If this sounds like it its of interest, apply now! Keywords: Senior Web Developer, Senior Developer, WordPress, Headless CMS, React, Next.js, GraphQL, Full Stack Developer. More ❯

Senior Frontend Developer Are you a Senior Frontend Developer eager to lead the charge in innovation for one of Silicon Valley’s largest tech giants? This is a rare opportunity to join a true Tech Giant as they are building a brand new team at their … gen platform, shaping the future of how the business operates globally. They have a strong engineering culture in the London office, and as their Senior Frontend Developer, you’ll work with React and Javascript/Typescript. They’ve got their own internal cloud and tooling's, using Prometheus … and Grafana. As their Senior Frontend Developer, you’ll be: A key advocate of best coding practice and standards with a TDD approach as you’ll be owning the end to end development of the platform. A skilled engineer in React development, you’ll be joining a team More ❯

Senior Frontend Developer Are you a Senior Frontend Developer eager to lead the charge in innovation for one of Silicon Valley’s largest tech giants? This is a rare opportunity to join a true Tech Giant as they are building a brand new team at their … gen platform, shaping the future of how the business operates globally. They have a strong engineering culture in the London office, and as their Senior Frontend Developer, you’ll work with React and Javascript/Typescript. They’ve got their own internal cloud and tooling's, using Prometheus … and Grafana. As their Senior Frontend Developer, you’ll be: A key advocate of best coding practice and standards with a TDD approach as you’ll be owning the end to end development of the platform. A skilled engineer in React development, you’ll be joining a team More ❯

Senior Frontend Developer - JavaScript - React - TypeScript - London. Work on a greenfield development project - build a new trading platform starting in 2025. Are you an experienced frontend developer with a passion for designing and developing UIs in highly transactional financial services environments? Miller Maxwell is assisting a rapidly … expanding electronic trading organization in their search for a Senior Frontend Developer to join their highly skilled engineering and frontend development team in London. This leading provider of options trading solutions is globally renowned for its reliability, speed, and exceptional customer service. As the organization expands its digital … currency trading divisions in 2024, this role offers a unique opportunity to be at the forefront of innovation. Key Responsibilities for the Senior Frontend Developer: Work on a key program of work starting in 2025 to build a brand new electronic trading platform. Build and adapt JavaScript libraries More ❯

Senior Frontend Developer - JavaScript - React - TypeScript - London. Work on a greenfield development project - build a new trading platform starting in 2025. Are you an experienced frontend developer with a passion for designing and developing UIs in highly transactional financial services environments? Miller Maxwell is assisting a rapidly … expanding electronic trading organization in their search for a Senior Frontend Developer to join their highly skilled engineering and frontend development team in London. This leading provider of options trading solutions is globally renowned for its reliability, speed, and exceptional customer service. As the organization expands its digital … currency trading divisions in 2024, this role offers a unique opportunity to be at the forefront of innovation. Key Responsibilities for the Senior Frontend Developer: Work on a key program of work starting in 2025 to build a brand new electronic trading platform. Build and adapt JavaScript libraries More ❯

Senior Node.js Developer West London (Hybrid - 3 days in office) Senior Node.js Developer required to join a dynamic start-up, backed by the financial strength of a major travel brand. You will play a key role in shaping and expanding our cutting-edge technology stack. As … resolve technical issues, including CI development. Mentoring of Junior Developers Identify opportunities to optimize performance and enhance the user experience. We are looking for: Senior Developer with experience in mentoring more junior colleagues. A self-starter with excellent problem-solving and debugging skills. Strong communication and collaboration abilities. More ❯

Senior Java Developer £80,000-£90,000 Central London – Hybrid Working I’m currently working for a global FinTech business who are looking for a Senior Java Developer with experience in Salesforce to join their growing team in London on a hybrid basis while paying up … means they are now looking to add to their Development team with many of these exciting projects already underway. They are looking for a Senior Developer who has good experience working with Salesforce – which many of their platforms use on the backend – while also being an expert Java … Developer and API integration. You will be part of a 4-5 person team and ultimately support the business in developing and enhancing the business product suite and bespoke software for an international client base. This company are based in Central London and require office working of twice a More ❯

Senior Java Developer £80,000-£90,000 Central London – Hybrid Working I’m currently working for a global FinTech business who are looking for a Senior Java Developer with experience in Salesforce to join their growing team in London on a hybrid basis while paying up … means they are now looking to add to their Development team with many of these exciting projects already underway. They are looking for a Senior Developer who has good experience working with Salesforce – which many of their platforms use on the backend – while also being an expert Java … Developer and API integration. You will be part of a 4-5 person team and ultimately support the business in developing and enhancing the business product suite and bespoke software for an international client base. This company are based in Central London and require office working of twice a More ❯

Senior Backend Developer Location: London Hybrid (Remote & Office-Based) Salary: £90-100K + Excellent Benefits Package Our client is a fast-growing, technology-driven company that facilitates connections between users and property owners across hundreds of cities worldwide. Their online platform streamlines the process of finding and … booking accommodations, offering a diverse range of options tailored to different needs. We are now seeking a Senior Backend Developer to join their dynamic and expanding team. If you are passionate about backend development and eager to contribute to the evolution of APIs, system architecture, and integrations, this … role could be for you. Key Requirements: We are looking for a skilled and experienced Backend Developer with expertise in Python, MySQL, and system architecture , particularly in high-performance and scalable environments for consumer-facing web and mobile applications. Must-have skills and experience: Strong proficiency in Python and More ❯

Job: Senior Next.js Developer (Remote) Salary; to £70k + benefits Location; remote with quarterly (expensed) team meetings in Bideford, Devon Overview This 5-star, platinum trusted, award-winning company is one of the leading agencies specialising in self-catering accommodation across the UK. Trading for over 30 years … and local property account managers across the country providing an unrivalled face-to-face service. Role Reporting to their Head of Development, as their Senior Next.js Developer you will be responsible for the development, maintenance and support of customer, owner and internal websites and systems. The role will … for recruitment purposes only (details of Profile 29s privacy policy can be found at: profile-29 .com/privacy) Profile 29 recruitment keywords: Next.js senior developer lead developer remote devon express react typescript More ❯

Senior C++ Software Developer – STL – UNIX - London or Chicago. - Tier-1 electronic trading organisation seeks to hire a Senior C++ Software Developer to join their London or Chicago team as part of an expansion plan for 2025. Senior C++ Software Developer with be a … ecosystem and surrounding electronic trading environment. The client is part of a large investment banking group, one of the largest financial institutions globally. The Senior C++ Software Developer will: Assist engineering manager with growth of the team in London and US office. Define and be involved in development … platform automation. Take ownership of business and technical change requests. Design and plan software change documentation. Integration testing to ensure high quality QA. The Senior C++ Software Developer will need to have: A STEM background. Team and project leadership experience is essential for this position. Experience developing electronic More ❯

Senior C++ Software Developer – STL – UNIX - London or Chicago. - Tier-1 electronic trading organisation seeks to hire a Senior C++ Software Developer to join their London or Chicago team as part of an expansion plan for 2025. Senior C++ Software Developer with be a … ecosystem and surrounding electronic trading environment. The client is part of a large investment banking group, one of the largest financial institutions globally. The Senior C++ Software Developer will: Assist engineering manager with growth of the team in London and US office. Define and be involved in development … platform automation. Take ownership of business and technical change requests. Design and plan software change documentation. Integration testing to ensure high quality QA. The Senior C++ Software Developer will need to have: A STEM background. Team and project leadership experience is essential for this position. Experience developing electronic More ❯

Senior C# Developer/Software Engineer (Windows Desktop Trading Systems) London to £140k Are you a Senior C# Developer with strong Windows desktop development skills combined with banking/financial services experience? You could be progressing your career at a Hedge Fund with over $10 billion … under management. As a Senior C# Developer you will work on critical systems across front, middle and back office systems to support trading, operations, finance, compliance and investor relations, optimising system performance to ensure efficient real-time data processing, reporting and automation of operational workflows. You'll focus … implementation of scalable, service orientated architectures (SOA) but will also gain exposure to web applications using React and/or Angular. This is a senior, hands-on position, you'll collaborate with colleagues in the US and Canada and be the sole resource on these systems for the UK. More ❯

Tech Lead/Senior Developer (C#/React/Azure) – London/Hybrid £80,000-£85,000 My client is looking for a Tech Lead (or a Senior Developer with line management experience) to join their expanding team and help continue the innovation of their industry … of developers to deliver technical excellence. This role will involve a blend of hands-on coding with line management responsibilities. Responsibilities · Work with the senior management team to not only transform requirements into technical features but also help shape the technical direction of the business · Manage an existing team More ❯

Tech Lead/Senior Developer (C#/React/Azure) – London/Hybrid £80,000-£85,000 My client is looking for a Tech Lead (or a Senior Developer with line management experience) to join their expanding team and help continue the innovation of their industry … of developers to deliver technical excellence. This role will involve a blend of hands-on coding with line management responsibilities. Responsibilities · Work with the senior management team to not only transform requirements into technical features but also help shape the technical direction of the business · Manage an existing team More ❯

Senior Frontend Developer (React) 2-3 days p/week in London Up to £85k plus equity Would you like the opportunity to join an organisation looking to revolutionise the construction space? They have significantly increased their customer base recently and are now actively seeking a Senior Frontend Developer (React). As a Senior Frontend (React) Developer, you will be responsible for taking their product to the next level, direct reporting to their Head of Engineering. You will be directly responsible for developing and maintaining their frontend application, will also working closely with … coming to the office and working in a small team. Vercel deployments from GitHub, with GitHub Actions is a bonus. If you’re a Senior Frontend Developer (React) looking to have an impact in an early-stage start-up, please apply. More ❯

Senior Frontend Developer (React) 2-3 days p/week in London Up to £85k plus equity Would you like the opportunity to join an organisation looking to revolutionise the construction space? They have significantly increased their customer base recently and are now actively seeking a Senior Frontend Developer (React). As a Senior Frontend (React) Developer, you will be responsible for taking their product to the next level, direct reporting to their Head of Engineering. You will be directly responsible for developing and maintaining their frontend application, will also working closely with … coming to the office and working in a small team. Vercel deployments from GitHub, with GitHub Actions is a bonus. If you’re a Senior Frontend Developer (React) looking to have an impact in an early-stage start-up, please apply. More ❯

Senior Java Analyst Developer/Technical Consultant £130,000 Plus Bens Quant Capital is urgently looking for a Java Analyst Developer/Technical Consultant to join our high profile client. Our client is a global trading platform software business. Its products are used globally by most asset … in functionality, and undertaking development to deliver functionalities (when required). Technical Consultants/Analyst Developers must have: 8+ years’ full-stack experience as Senior Developer around digital applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using React More ❯

Senior Java Analyst Developer/Technical Consultant £130,000 Plus Bens Quant Capital is urgently looking for a Java Analyst Developer/Technical Consultant to join our high profile client. Our client is a global trading platform software business. Its products are used globally by most asset … in functionality, and undertaking development to deliver functionalities (when required). Technical Consultants/Analyst Developers must have: 8+ years’ full-stack experience as Senior Developer around digital applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using React More ❯

Senior Java Developer/Backend Software Engineer London onsite to £160k Are you a Java technologist with strong knowledge of software engineering best practices and backend development experience looking for an opportunity to progress your career in a senior, hands-on role with complex and challenging work … You could be joining a scaling Cyber Security technology company that has just received £100 million investment. As a Senior Java Developer you'll join a small, Agile team using core Java within a TDD environment deploying to AWS. You'll design and develop new features and enhancements … with Pair Programming experience You enjoy problem solving and are keen to pick up new skills What's in it for you: As a Senior Java Developer/Software Engineer you will earn a highly competitive package including: Salary to £160k 8% pension contribution Life Assurance and Income More ❯

Senior Back End Developer (Azure, ASP.Net Core) | London 1-2 days per week on site (flexible) | 12 months | Rate: Competitive, inside IR35 We are looking for a proactive and experienced Senior Developer who takes ownership, drives delivery, and continuously looks for ways to improve. We need More ❯

Role: Senior Software Developer Location: London Salary: Up to £100k DOE Job Type: Permanent We are working with a globally recognised technology leader in the gaming and entertainment industry, seeking a Senior Software Developer to join their team. This is a fantastic opportunity to play a … Core Platform, enhancing a Backend-as-a-Service (BaaS) offering, and supporting the transition from legacy systems to a cutting-edge architecture. As a Senior Software Developer, you will work across multiple squads, providing technical expertise and shaping backend services that power a suite of web and mobile … Kafka, RabbitMQ ) Proficiency in containerisation (Docker, Kubernetes) Familiarity with CI/CD pipelines and infrastructure automation This is an exciting role for a proactive developer looking to work on high-impact projects within a forward-thinking company. If this sounds like you, apply today More ❯