1 to 25 of 266 Senior Developer Jobs in London

Senior NetSuite Developer – NetSuite, Systems Developer, Software Developer, Systems Engineer, Software Engineer, Web Developer, SuiteScript, Technical Lead, NetSuite Engineer, Senior Developer, Lead Developer, Integration Developer, Mulesoft, Celigo, Boomi, HTML, JavaScript, API – Greater Manchester – London -Surrey – Merseyside - West Midlands - East Midlands – Midlands … Edinburgh – Cheshire – Staffordshire – Hampshire – Derbyshire – Kent – Essex – Permanent – Hybrid - £80,000 - £90,000 Our client, a UK based global end user, are seeking a Senior NetSuite Developer to join their internal team to support implementations, customisation and further enhancements across the business. The ideal candidate will posses a … practices and working in an Agile environment. Desirable Skills & Experience: Bachelor’s degree in Computer Science/Information Technology or similar Preferred certifications: Application Developer, Web Services Developer, SuiteCloud Developer Other NetSuite certifications are an advantage (Administrator, ERP Consultant etc.) Experience with Boomi, Mulesoft or other integration More ❯

Senior NetSuite Developer – NetSuite, Systems Developer, Software Developer, Systems Engineer, Software Engineer, Web Developer, SuiteScript, Technical Lead, NetSuite Engineer, Senior Developer, Lead Developer, Integration Developer, Mulesoft, Celigo, Boomi, HTML, JavaScript, API – Greater Manchester – London -Surrey – Merseyside - West Midlands - East Midlands – Midlands … Edinburgh – Cheshire – Staffordshire – Hampshire – Derbyshire – Kent – Essex – Permanent – Hybrid - £80,000 - £90,000 Our client, a UK based global end user, are seeking a Senior NetSuite Developer to join their internal team to support implementations, customisation and further enhancements across the business. The ideal candidate will posses a … practices and working in an Agile environment. Desirable Skills & Experience: Bachelor’s degree in Computer Science/Information Technology or similar Preferred certifications: Application Developer, Web Services Developer, SuiteCloud Developer Other NetSuite certifications are an advantage (Administrator, ERP Consultant etc.) Experience with Boomi, Mulesoft or other integration More ❯

Role: Senior Developer (Trading Systems) Tech stack: C#.NET and SQLServer Domain: Trading Location: London (hybrid - 3 days per week) Compensation: £80,000-90,000, 20-30% bonus, 10% pension and much more X4 Technology are partnered with a high-growth, well-capitalised trading house in London, offering a … unique opportunity for a Senior Developer (Trading Systems) to join their global team of 400. In this key position within their technology group, you'll help drive the innovation and evolution of vendor and proprietary trading platforms - developing solutions to support key functions like trade capture, market connectivity … enhancement, customisation and integration - linking their core trading systems with modern SaaS solutions for analytics, hedging, credit, regulatory reporting and more. Responsibilities of the Senior Developer (Trading Systems): Creating new features within Trading Systems to facilitate company growth Building solutions for front office users (trade entry, exchange interfaces More ❯

Role: Senior Developer (Trading Systems) Tech stack: C#.NET and SQLServer Domain: Trading Location: London (hybrid - 3 days per week) Compensation: £80,000-90,000, 20-30% bonus, 10% pension and much more X4 Technology are partnered with a high-growth, well-capitalised trading house in London, offering a … unique opportunity for a Senior Developer (Trading Systems) to join their global team of 400. In this key position within their technology group, you'll help drive the innovation and evolution of vendor and proprietary trading platforms - developing solutions to support key functions like trade capture, market connectivity … enhancement, customisation and integration - linking their core trading systems with modern SaaS solutions for analytics, hedging, credit, regulatory reporting and more. Responsibilities of the Senior Developer (Trading Systems): Creating new features within Trading Systems to facilitate company growth Building solutions for front office users (trade entry, exchange interfaces More ❯

Senior Frontend Developer – JavaScript, React, TypeScript GraphQL - London - Miller Maxwell is assisting an International proprietary trading organisation seeking to expand their UI team. This senior position will see the successful Senior Frontend Developer working directly with front-office users to build customised UIs in a … starting in 2025. This team approaches tech and mathematical problems with a unique perspective, consistently pushing the boundaries of innovation. Key Responsibilities for the Senior Frontend Developer : Collaborate with an experienced front-office team to enhance their quantitative trading platform, focusing on front-end development. Build user interfaces … office users. Implement, modify, and configure platform improvements. Work closely with Java and C++ Software Engineers to design new platform features. Requirements for the Senior Frontend Developer: Experience in a FinTech or Financial Services environment. Experience building UI's in a front-office or for electronic trading screens 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 ❯

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 Developer Permanent Remote £50,000- £60,000 (DOE) + Benefits An innovative and fast-growing company in the event technology sector is looking for a Senior Developer to join their team. You'll work remotely most of the time, with only one day a month 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 ❯

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# 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 ❯

Senior C++ Developer/Software Engineer (Linux SQL C++17) London/WFH to £110k Global-leading FinTech is seeking a Senior C++ Developer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. The organisation is a pioneer … This is a great opportunity to accelerate your career alongside established business and technology leaders, and gain/deepen your finance experience. As a Senior C++ Developer, you'll be responsible for designing and building unique technical solutions, meeting user requirements and contributing to the evolution of the … experience working in a financial services or trading environment although technical skills of far greater importance What's in it for you: As a Senior C++ Developer you will receive a competitive package: Salary to £110k Pension (to 9% contribution) Healthcare Volunteer/charity days Hybrid working Career More ❯

Senior C++ Developer/Software Engineer (Linux SQL C++17) London/WFH to £110k Global-leading FinTech is seeking a Senior C++ Developer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. The organisation is a pioneer … This is a great opportunity to accelerate your career alongside established business and technology leaders, and gain/deepen your finance experience. As a Senior C++ Developer, you'll be responsible for designing and building unique technical solutions, meeting user requirements and contributing to the evolution of the … experience working in a financial services or trading environment although technical skills of far greater importance What's in it for you: As a Senior C++ Developer you will receive a competitive package: Salary to £110k Pension (to 9% contribution) Healthcare Volunteer/charity days Hybrid working Career More ❯

Senior Node Developer - Perm £75k - Digital Marketing Analytics A global marketing agency utilising AI's power is looking for a Senior/Full stack Node Developer to take ownership of building a self-service platform that allows customers to use their econometric marketing tools. As a … Senior developer, your focus is on bringing this prototype into production and being responsible for the design, build, and implementation of this platform using the latest technologies. Working closely with data scientists and economic modellers, you will influence how best to integrate these models to ensure the platform … the team around this individual over time. Salary: £70,000-£75,000 Location: 1-2x per week in the City of London Requirements: Senior full-stack experience and knowledge using Node.JS/Next.JS & React Extensive experience working with AWS or GCP (Security tools, containers, infrastructure) Experience with databases More ❯

Senior Node Developer - Perm £75k - Digital Marketing Analytics A global marketing agency utilising AI's power is looking for a Senior/Full stack Node Developer to take ownership of building a self-service platform that allows customers to use their econometric marketing tools. As a … Senior developer, your focus is on bringing this prototype into production and being responsible for the design, build, and implementation of this platform using the latest technologies. Working closely with data scientists and economic modellers, you will influence how best to integrate these models to ensure the platform … the team around this individual over time. Salary: £70,000-£75,000 Location: 1-2x per week in the City of London Requirements: Senior full-stack experience and knowledge using Node.JS/Next.JS & React Extensive experience working with AWS or GCP (Security tools, containers, infrastructure) Experience with databases 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 ❯