76 to 100 of 268 Senior Developer Jobs in London

Senior UI Developer About the Company: Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation. Apexon ...

Senior UI Developer About the Company: Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation. Apexon ...

looking for a Senior Android Developer to join an innovative tech company that delivers cutting-edge solutions to regulated industries such as Finance and Healthcare. In this role, you will take ownership of developing Enterprise-level Android applications to enhance user experiences and support delivery of high-quality … products. Role: Senior Android Developer Location: London, UK Total comp: £65-£75k Requirements for the role: Strong experience in Kotlin and Android app development. Proven track record of building Enterprise level Android apps. Deep understanding of mobile development best practices, including UI/UX design principles, debugging ...

looking for a Senior Android Developer to join an innovative tech company that delivers cutting-edge solutions to regulated industries such as Finance and Healthcare. In this role, you will take ownership of developing Enterprise-level Android applications to enhance user experiences and support delivery of high-quality … products. Role: Senior Android Developer Location: London, UK Total comp: £65-£75k Requirements for the role: Strong experience in Kotlin and Android app development. Proven track record of building Enterprise level Android apps. Deep understanding of mobile development best practices, including UI/UX design principles, debugging ...

Senior Data Developer – Hedge Fund | London (Hybrid) Are you an experienced data developer who loves building fast, reliable systems that fuel quantitative trading and risk management? A global multi-strategy fund is expanding its London data team to build the next generation of its market data platform ...

Senior Data Developer – Hedge Fund | London (Hybrid) Are you an experienced data developer who loves building fast, reliable systems that fuel quantitative trading and risk management? A global multi-strategy fund is expanding its London data team to build the next generation of its market data platform ...

Senior Backend Developer 40 hours per week Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Start date: January 2026 Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers … senior levels who are passionate about crafting exceptional products. Initially it will be a three-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being based in their London. It is a full-time role, 40 hours ...

Senior Full Stack Developer, London (Hybrid) Avanti Recruitment is working with an award-winning digital consultancy. They are seeking a Senior Full Stack Developer to join their growing team. This is an opportunity to work on high-impact digital projects for purpose-driven organisations and contribute ...

Senior Backend Developer Location: London - 1x a month Salary: Up to £95,000 (D.O.E) + benefits Fruition Group working with a leading Insurtech unicorn on a mission to transform the insurance industry. Their products have already generated millions in revenue, and now they're investing heavily … innovations that will shape the sector for years to come. This is an exciting opportunity for a motivated Senior Engineer who wants to grow in a high-performing, forward-thinking business. As a Senior Backend Engineer, you'll play a central role in building and scaling the systems ...

Senior Backend Developer £70,000 - £80,000 GBP Performance bonus, 28 days leave + bank holidays, Private Medical Insurance Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Role: Senior Backend Engineer Salary: Up to £80k + performance bonus and benefits Location: London (Hybrid … architecture, data processing, and user experience . The environment is supportive, valuing creativity, continuous learning, and flexibility through hybrid working. They are seeking a Senior Backend Engineer to build highly scalable and maintainable services using modern technologies.. What You'll Do: Develop backend services in Python (FastAPI/Django ...

Senior Dynamics 365 CRM Developer About the Role We are looking for a highly skilled Senior Dynamics 365 CRM Developer to design and deliver modern, cloud-based CRM solutions. This role is ideal for a hands-on technical expert who enjoys building data-driven, customer engagement ...

Senior React Developer (Contract) Remote | 6-Month Contract | High-Scale Regulated Platform We're hiring a Senior React Developer to support the build and evolution of a large-scale, highly regulated digital platform in the payments/fintech space. This is a fully remote, contract role ...

Senior PEGA Developer - Outside IR35 We're seeking a PEGA Developer to design, build and extend PEGA applications in a fast-paced, evolving scope. You'll collaborate with a cross-functional team and contribute to high-quality, secure, maintainable solutions. To help evolve an experience PEGA application ...

Senior Python Developer looking to help shape the future of how schools use technology to empower learners across the UK? We are searching for a Senior Python Developer/Lead Python Developer who can guide a talented engineering team and push the boundaries of what ...

Senior C++ Developer High-Performance Messaging Systems £180,000£200,000 | London | Hybrid Ncounter is supporting the growth of a high-performing engineering team responsible for building and evolving one of the most sophisticated messaging platforms in the capital markets space. This is a senior-level C++ … genuinely technical role with real ownership, long-term scope, and exposure to complex engineering challenges that few environments can offer. If youre a senior C++ engineer who enjoys working close to the metal, values clean systems design, and wants to build technology that truly matters, get in touch with ...

Senior Software Developer – Node.js/AWS/React – London (Hybrid, 3 days onsite) Are you the kind of engineer who enjoys taking something fast-and-scrappy and turning it into something scalable, elegant, and genuinely robust? This is a chance to join a small, but ambitious tech ...

funds, Asset Managers, listed Corporates, high-growth tech companies and many more. Learn more about why we do what we do here. The role: Senior Python Developer Join our lean UK-based technology team as a Senior Python Developer, where you'll play a pivotal role ...

funds, Asset Managers, listed Corporates, high-growth tech companies and many more. Learn more about why we do what we do here. The role: Senior Python Developer Join our lean UK-based technology team as a Senior Python Developer, where you'll play a pivotal role ...

Senior C++ Developer High-Performance Messaging Systems £180,000£200,000 London Hybrid Ncounter is supporting the growth of a high-performing engineering team responsible for building and evolving one of the most sophisticated messaging platforms in the capital markets space. This is a senior-level C++ ...

Senior Backend Developer Location: London - 1x a month Salary: Up to £95,000 (D.O.E) + benefits Fruition Group working with a leading Insurtech unicorn on a mission to transform the insurance industry. Their products have already generated millions in revenue, and now they're investing heavily ...

Senior Fullstack Engineer - Fintech Scale-Up (Java, Angular, Azure) Titles: Senior Fullstack Engineer Tech Stack: Java | Spring | Azure | Angular Location: London (Hybrid - 2-3 days/week) Package: £85-95k + 20% bonus The Company: Growing fintech working with major banks on business banking products, providing solutions … serving thousands of businesses. The Role Hiring a Senior Fullstack Engineer to build scalable Java microservices for core banking platforms. Take ownership of key components and work with a talented team on high-performance financial solutions. What you'll do as a Senior Fullstack Engineer: Design and develop ...

Senior Fullstack Engineer - Fintech Scale-Up (Java, Angular, Azure) Titles: Senior Fullstack Engineer Tech Stack: Java | Spring | Azure | Angular Location: London (Hybrid - 2-3 days/week) Package: £85-95k + 20% bonus The Company: Growing fintech working with major banks on business banking products, providing solutions … serving thousands of businesses. The Role Hiring a Senior Fullstack Engineer to build scalable Java microservices for core banking platforms. Take ownership of key components and work with a talented team on high-performance financial solutions. What you'll do as a Senior Fullstack Engineer: Design and develop ...

have 6+ years commercial experience working as a Full Stack Developer using Java and Vue/React/Angular? Are you looking for a new challenge where you can capitalise on your proactiveness, taking initiative and ownership of your work? Senior Full Stack Developer – World-Leading Data … world in nearly 200 countries. As they continue to grow, both as a business and in reputation, they are looking for a talented Senior Full Stack Developer to join the team and contribute to the greenfield development of various new projects as well as maintaining and improving current ...

have 6+ years commercial experience working as a Full Stack Developer using Java and Vue/React/Angular? Are you looking for a new challenge where you can capitalise on your proactiveness, taking initiative and ownership of your work? Senior Full Stack Developer – World-Leading Data … world in nearly 200 countries. As they continue to grow, both as a business and in reputation, they are looking for a talented Senior Full Stack Developer to join the team and contribute to the greenfield development of various new projects as well as maintaining and improving current ...

Senior Python Developer Team Lead Location: Remote (UK-based) Salary: £55,000 £62,000 per annum Were recruiting on behalf of our client who are in EdTech supporting schools across the UK. The business develops cloud-based solutions that help schools use technology and data to improve outcomes. … They are looking for a Senior Python Developer with Team Lead experience to join their engineering team. Youll lead development, set technical standards and support the delivery of scalable, cloud-native products. Main Duties of the Role Lead the design and development of scalable Python applications Provide technical ...