1 to 25 of 236 Senior Developer Jobs in the South East

Senior Software Developer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? scaling FinTech, revolutionising the industry Location : Hybrid - 1-2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products to consumers. The … organisation is committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Senior Software Developer -Responsibilities Design, develop, and maintain advanced applications. Collaborate with cross-functional teams to define, design, and ship new features. Optimize components for maximum performance across a vast array of web- capable devices and browsers. Maintain … the highest quality. Troubleshoot and debug to optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols Senior Software Developer -Experience Required Proven experience as a Full Stack Developer or similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda for More ❯

Senior Full Stack Developer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? scaling FinTech, revolutionising the industry Location : Hybrid - 1-2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products to consumers. … The organisation is committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Senior Full Stack Developer -Responsibilities Design, develop, and maintain advanced applications. Collaborate with cross-functional teams to define, design, and ship new features. Guide and develop the skills of junior engineers. Optimize components for maximum performance across … quality and speed. Troubleshoot and debug to optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols Senior Full Stack Developer -Experience Required Proven experience as a Senior Full Stack Developer or similar role with a strong portfolio of projects. Expertise in Node.js and More ❯

Senior Developer Milton Keynes (hybrid) £40,000 - £60,000 Our client requires a Senior Developer with strong experience in C#, Azure (or similar cloud-based web applications) and JavaScript to join their growing team. You will have the flexibility of hybrid working and spend 3 days a week in their office. You will play a key … Agile workflows Collaborate closely with cross-functional teams Stay up to date with emerging technologies and propose innovative solutions Look after complex coding tasks Skills: Proven experience as a Senior Developer or similar role Strong proficiency in C#, .NET, Azure Solid experience with JavaScript and modern front-end frameworks Excellent communication and leadership skills Ability to deliver complex … projects to tight deadlines Outstanding attention to detail and with a focus on performance, security and maintainability If you have the skills and experience of a Senior Developer, ready to take the next step in your career and made a real impact, we’d love to hear from you. Our client offers hybrid working arrangements, a competitive salary More ❯

Senior Developer Milton Keynes (hybrid) £40,000 - £60,000 Our client requires a Senior Developer with strong experience in C#, Azure (or similar cloud-based web applications) and JavaScript to join their growing team. You will have the flexibility of hybrid working and spend 3 days a week in their office. You will play a key … Agile workflows Collaborate closely with cross-functional teams Stay up to date with emerging technologies and propose innovative solutions Look after complex coding tasks Skills: Proven experience as a Senior Developer or similar role Strong proficiency in C#, .NET, Azure Solid experience with JavaScript and modern front-end frameworks Excellent communication and leadership skills Ability to deliver complex … projects to tight deadlines Outstanding attention to detail and with a focus on performance, security and maintainability If you have the skills and experience of a Senior Developer, ready to take the next step in your career and made a real impact, we’d love to hear from you. Our client offers hybrid working arrangements, a competitive salary More ❯

Senior Go Developer 6 Months Contract London Hybrid or Fully Remote An exciting opportunity for a highly skilled Senior Go Developer to join a leading technology business on a contract basis. This organisation is recognised for its engineering excellence and is seeking a Senior Go Developer to help scale distributed systems and deliver high … performance solutions. In this role, the Senior Go Developer will design, develop, and implement data-intensive applications across the full engineering lifecycle. You’ll architect and deliver microservices-based systems using Go (Golang), AWS, Kubernetes, Docker, and Kafka, working closely with cross-functional teams to build scalable, reliable, and resilient platforms. You’ll also play a key role … in optimising system performance, improving reliability, and ensuring scalability, while contributing to code reviews, design discussions, and knowledge sharing across the engineering function. Senior Go Developer – Key Requirements: Strong commercial experience in backend development Advanced skills in Go (Golang), with proven expertise in AWS, Kubernetes, and Docker End-to-end software engineering experience, including system design and architecture More ❯

Senior Go Developer 6 Months Contract London Hybrid or Fully Remote An exciting opportunity for a highly skilled Senior Go Developer to join a leading technology business on a contract basis. This organisation is recognised for its engineering excellence and is seeking a Senior Go Developer to help scale distributed systems and deliver high … performance solutions. In this role, the Senior Go Developer will design, develop, and implement data-intensive applications across the full engineering lifecycle. You’ll architect and deliver microservices-based systems using Go (Golang), AWS, Kubernetes, Docker, and Kafka, working closely with cross-functional teams to build scalable, reliable, and resilient platforms. You’ll also play a key role … in optimising system performance, improving reliability, and ensuring scalability, while contributing to code reviews, design discussions, and knowledge sharing across the engineering function. Senior Go Developer – Key Requirements: Strong commercial experience in backend development Advanced skills in Go (Golang), with proven expertise in AWS, Kubernetes, and Docker End-to-end software engineering experience, including system design and architecture 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 development lifecycle, from system design and implementation to optimisation and release. You'll be working in an open, fast-moving … to shape how things are 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 proven expertise in AWS, Kubernetes 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 development lifecycle, from system design and implementation to optimisation and release. You'll be working in an open, fast-moving … to shape how things are 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 proven expertise in AWS, Kubernetes More ❯

Senior Web Developer– Chobham, Surrey £44,000 - £48,000 plus benefits Our client is a highly successful digital and creative agency, and they are recruiting a Senior Web Developer who thrives on variety, loves solving problems, and wants to make a genuine impact in a growing agency. The Senior Web Developer will shape how … hands-on role in designing, building, and optimising a wide range of digital projects, from beautifully executed brochure sites to more complex headless builds. They are looking for a Senior Web Developer with the ambition and drive to grow in their business, with oversight of projects and involvement in technical direction and team development. You’ll collaborate closely More ❯

Senior Web Developer– Chobham, Surrey £44,000 - £48,000 plus benefits Our client is a highly successful digital and creative agency, and they are recruiting a Senior Web Developer who thrives on variety, loves solving problems, and wants to make a genuine impact in a growing agency. The Senior Web Developer will shape how … hands-on role in designing, building, and optimising a wide range of digital projects, from beautifully executed brochure sites to more complex headless builds. They are looking for a Senior Web Developer with the ambition and drive to grow in their business, with oversight of projects and involvement in technical direction and team development. You’ll collaborate closely More ❯

Senior Web Developer– Chobham, Surrey £44,000 - £48,000 plus benefits Our client is a highly successful digital and creative agency, and they are recruiting a Senior Web Developer who thrives on variety, loves solving problems, and wants to make a genuine impact in a growing agency. The Senior Web Developer will shape how … hands-on role in designing, building, and optimising a wide range of digital projects, from beautifully executed brochure sites to more complex headless builds. They are looking for a Senior Web Developer with the ambition and drive to grow in their business, with oversight of projects and involvement in technical direction and team development. You’ll collaborate closely More ❯

Senior Frontend Developer Up to £80,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to join a high performing squad of engineers building a unique SAAS platform which is radically streamlining an existing complex process. You'd join as a Senior Frontend … Developer and make a real impact on user facing features from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will have the following: Strong expertise in React & Typescript - ideally also with Next.js Strong UI/UX intuition with a user-centric approach Fullstack exposure More ❯

Senior Frontend Developer Up to £80,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to join a high performing squad of engineers building a unique SAAS platform which is radically streamlining an existing complex process. You'd join as a Senior Frontend … Developer and make a real impact on user facing features from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will have the following: Strong expertise in React & Typescript - ideally also with Next.js Strong UI/UX intuition with a user-centric approach Fullstack exposure More ❯

Senior Frontend Developer Up to £80,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to join a high performing squad of engineers building a unique SAAS platform which is radically streamlining an existing complex process. You'd join as a Senior Frontend … Developer and make a real impact on user facing features from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will have the following: Strong expertise in React & Typescript - ideally also with Next.js Strong UI/UX intuition with a user-centric approach Fullstack exposure More ❯

Senior Full Stack C# Developer Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Salary Negotiable, plus company benefits. Due to the nature of this position, you must be willing and eligible to achieve a minimum of SC clearance. To be eligible, you must have been a resident in the UK for … track unsafe products Powering systems that help the government monitor and reduce greenhouse gas emissions from commercial transport Role Summary Triad Group Plc is seeking a skilled and experienced Senior C# Developer to join our dynamic team. As a Senior Developer, you will be responsible for designing, developing, and maintaining software applications using .Net Core with … development processes and methodologies. Skills and Experience: Relevant training, qualifications and experience in software development practices (Apprenticeship/Degree/Masters etc) 8+ years proven experience as a C# Developer or similar software development role. Proficiency in C# programming language and .NET framework including .Net Core Strong understanding of object-oriented programming principles. Experience with software development methodologies such More ❯

Senior Full Stack C# Developer Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Salary Negotiable, plus company benefits. Due to the nature of this position, you must be willing and eligible to achieve a minimum of SC clearance. To be eligible, you must have been a resident in the UK for … track unsafe products Powering systems that help the government monitor and reduce greenhouse gas emissions from commercial transport Role Summary Triad Group Plc is seeking a skilled and experienced Senior C# Developer to join our dynamic team. As a Senior Developer, you will be responsible for designing, developing, and maintaining software applications using .Net Core with … development processes and methodologies. Skills and Experience: Relevant training, qualifications and experience in software development practices (Apprenticeship/Degree/Masters etc) 8+ years proven experience as a C# Developer or similar software development role. Proficiency in C# programming language and .NET framework including .Net Core Strong understanding of object-oriented programming principles. Experience with software development methodologies such More ❯

Senior C# Developer/Software Engineer (C# .Net) London onsite to £150k Opportunity to progress your career in a senior, hands-on C# Developer role at a global Asset Manager with c$3 million under management. As a Senior C# Developer within the trading engine team you'll collaborate to design and develop real … You are collaborative with excellent communication and stakeholder management skills You are degree educated in Computer Science or similar technical discipline What's in it for you: As a Senior C# Developer/Software Engineer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development Pension … Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply now to find out more about this Senior C# Developer/Software Engineer (C# .Net) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from More ❯

Senior C# Developer/Software Engineer (C# .Net) London onsite to £150k Opportunity to progress your career in a senior, hands-on C# Developer role at a global Asset Manager with c$3 million under management. As a Senior C# Developer within the trading engine team you'll collaborate to design and develop real … You are collaborative with excellent communication and stakeholder management skills You are degree educated in Computer Science or similar technical discipline What's in it for you: As a Senior C# Developer/Software Engineer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development Pension … Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply now to find out more about this Senior C# Developer/Software Engineer (C# .Net) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from 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 in the field of cross-asset securities and derivatives post … business performance for their clients. 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 cutting-edge platform. Not only … discipline Ideally you will have 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 development and training Apply now 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 in the field of cross-asset securities and derivatives post … business performance for their clients. 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 cutting-edge platform. Not only … discipline Ideally you will have 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 development and training Apply now More ❯

Senior Full Stack Developer Hybrid - Work from Home with occasional travel to London (First week in London for induction) Permanent | Up to £95,000 + Excellent Benefits HBG Recruitment is proud to partner with a leading British media institution , home to some of the UK's most recognisable brands. They're expanding their digital development team and are … now looking for a Senior WordPress Full Stack Developer to play a key role in building, optimising, and maintaining high-traffic media platforms that reach millions of readers daily. What's in it for you Competitive salary up to £95,000 per annum Permanent position with career development opportunities 25 days' holiday (rising each year to 30) Life … 3x your basic salary Discounts on online shopping, dining, and more Onsite perks : gym, canteen, nurse & GP clinics Hybrid working with occasional London meet-ups Your Impact As a Senior WordPress Full Stack Developer, you'll: Lead the maintenance and feature development of enterprise-level WordPress sites across multiple brands. Build and maintain shared plugins and reusable microservices More ❯

Senior Developer | Power Platform | Azure Integration | Hybrid in London | £80,000 PLEASE READ: You must be eligible for NPPV Level 2 or willing to undergo similar vetting. The Role: This is a fantastic opportunity to take full technical ownership of enterprise-scale solutions built across Microsoft Power Platform and Azure. You'll shape the architecture, define security and … decisions to both technical and business stakeholders. Nice to Have: * Experience working within public sector or other high-compliance environments. Please apply or reach out to for more information. Senior Developer | Power Platform | Azure Integration | Hybrid in London | £80,000 RSG Plc is acting as an Employment Agency in relation to this vacancy. More ❯

built by a small team of junior developers. Now, we're ready for the next chapter: transforming our no-code systems into robust, scalable products — and we need a Senior Developer to help us get there. The opportunity We're looking for a more senior developer with a solid foundation in computer science, experience with no More ❯

Senior React Developer required by a successful technology company whose office is in Staines. Hybrid working - 3 days per week in the office The successful Senior React Developer is likely to have a relevant degree and commercial experience in a similar role. The Senior Software Developer will join an experienced team developing modern interactive More ❯

Senior React Developer required by a successful technology company whose office is in Staines. Hybrid working - 3 days per week in the office The successful Senior React Developer is likely to have a relevant degree and commercial experience in a similar role. The Senior Software Developer will join an experienced team developing modern interactive More ❯