1 to 25 of 183 Senior Developer Jobs in London

Senior Android Developer London - Hybrid (occasional travel into the office) Up to £85k basic salary An outstanding opportunity for a Senior Android Developer to join a dynamic and innovative tech scale-up, building mobile products that impact thousands of users every day. This is a trusted engineering environment where a Senior Android Developer can … take real ownership, solve complex challenges, and drive forward product innovation. As a Senior Android Developer, you'll work across both the flagship customer-facing Android app and a native SDK that powers critical on-device functionality. You'll play a central role in shaping how the Android platform evolves, balancing technical excellence with a product-focused mindset. … Performance, reliability, and user experience will be at the heart of everything you deliver. In this senior position, the Senior Android Developer will have genuine influence over architectural decisions, mentor fellow engineers, and collaborate closely with backend, product, and data specialists. You'll also be encouraged to explore new tools and AI-driven workflows to improve both More ❯

Senior C# Developer - Commodities Trading - Outside IR35 Exciting opportunity for an experienced senior developer to build on their experience in Commodities or similar trading development role in this successful Commodities Trading company. £750 - 800 per day Outside IR35 The Senior C# Developer will have significant prior experience as a Senior Software Engineer/… Senior Developer working as C# Developer in a Commodities trading environment where they will have gained knowledge of the full trade life-cycle and feel comfortable speaking directly to traders and senior stakeholders in the business as well as senior technical colleagues such as architects. Central London location, with Hybrid working expected. Very strong core 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 ❯

Job Title: Senior Developer (.NET, React, Azure) • Job Type: Permanent • Location: London (Hybrid) • Industry: ReInsurance • Salary: £100,000-£110,000 + Bonus • Skills: C#, .NET, React, Azure, REST, Snowflake Roc Search have partnered with a global Insurance company who are looking for a Senior Developer to join their Reinsurance unit. The Position The Senior Developer … solutions within the Reinsurance Segment. This role is critical in driving technical excellence, ensuring alignment with Lloyd's, PRA, and FSA regulatory frameworks. They are looking for an innovative Developer with a forward thinking mindset, who can bring design and architecture experience to the table, who is happy to have a real impact on the project. The successful candidate More ❯

LocationBloomsbury Square, London, United Kingdom# Senior Developer at N Consulting LtdLocationBloomsbury Square, London, United KingdomSalary£550 - £650/dayJob TypeContractDate PostedSeptember 16th, 2025Apply Now Role Title: Senior Developer Experience: 10years Work mode: Hybrid Contract duration: 6 months Location: Bishopsgate, London We are seeking a highly experienced Senior Developer with deep hands-on expertise in 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 Java Developer Inside IR35 - 3 days onsite Our banking client is seeking an experienced Senior Java Developer to join their dynamic technology team. This role offers the opportunity to work on high-impact financial applications, driving innovation and excellence in software development within a fast-paced and regulated environment. As a Senior Java Developer … Knowledge of NoSQL databases (e.g., MongoDB). Experience with message queues (Kafka, Solace). Front-end development exposure (React, Angular, Vue.js). Experience building CI/CD pipelines . Senior Java Developer Due to the volume of applications received for positions, it will not be possible to respond to all applications and only applicants who are considered suitable More ❯

Senior C# Developer Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Salary Negotiable, DoE, 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 a … 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 ❯

long-lasting relationships. You'll be someone who is both comfortable working proactively and managing your own tasks, as well as confident collaborating with others and communicating regularly with senior managers, directors, and BDO's partners to help businesses effectively. You'll be encouraged to identify and draw attention to opportunities for enhancing our delivery and providing additional services … to organisations we work with. As a Senior Developer, you will play a key role in designing, developing and maintaining high-quality software solutions. You will work closely with other developers, UX/UI designers and stakeholders to ensure that our products meet the highest standards. Your expertise in C#, .NET, React and Azure will be crucial in … driving our technology initiatives forward. The Senior Developer is a key role within BDO IT's Solutions Development team and reports to either a Lead Developer or the Solutions Development Senior Manager. You'll also: Act as a hands-on full-stack developer with strong front-end development skills and a good understanding of UX. More ❯

LocationBloomsbury Square, London, United Kingdom# Senior Java Developer at N Consulting LtdLocationBloomsbury Square, London, United KingdomSalary£400 - £450/dayJob TypeContractDate PostedSeptember 12th, 2025Apply NowWork mode: Hybrid, Office location will be Bishopsgate, London Contract duration: 6 months Location: London - JOB DETAILS Role Title: Senior Developer We are seeking a highly skilled and experienced Senior Developer 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 Software Developer - £65,000 to £85,000 – Hybrid – London FryerMiles are delighted to be working with a global AI business to assist with their recruitment of a Senior Software Developer to join their team in London. This is a fantastic opportunity for Senior Software Developer to join a rapidly growing global business working … with AI/Machine Learning Desirable experience, with Angular and Flutter Eligible to work in the UK and obtain UK Security Clearance (as a minimum) If you're a Senior Software Developer with good problem solving and creativity skills, please apply today and one of our Consultant's will be in contact to discuss the role in more … detail. Senior Software Developer - £65,000 to £85,000 – Hybrid – London More ❯

Senior Software Developer - £65,000 to £85,000 – Hybrid – London FryerMiles are delighted to be working with a global AI business to assist with their recruitment of a Senior Software Developer to join their team in London. This is a fantastic opportunity for Senior Software Developer to join a rapidly growing global business working … with AI/Machine Learning Desirable experience, with Angular and Flutter Eligible to work in the UK and obtain UK Security Clearance (as a minimum) If you’re a Senior Software Developer with good problem solving and creativity skills, please apply today and one of our Consultant’s will be in contact to discuss the role in more … detail. Senior Software Developer - £65,000 to £85,000 – Hybrid – London More ❯

energy transition. The company employs around 2,000 people globally and is owned by the Federal Government of Germany. Securing energy now and for the future. Job description: The Senior Developer has multiple responsibilities within the organization. Their?time is broken down to software delivery and junior developer coaching responsibilities. Software delivery responsibilities will vary over time … but are focused on the technical leadership, design and development of applications used in the trade lifecycle. It is expected that a Senior Developer will work on a portfolio of different software products during their time in the organization and will coach different individuals in their career. WHAT WILL YOU DO Work with the Vertical Leads (Delivery, Technical More ❯

Mid-Senior Developer | Angular | Rapidly Expanding Tech Company My client are seeking a Mid/Senior level Front End Developer with a passion for Angular to join their team. You'll be a key contributor to the engineering efforts, working closely with both the leadership and UX teams to enhance and scale core platforms. This is … Complex Problems: Address environment issues and platform challenges, and contribute to the design of a scalable, modular architecture. What we're looking for: Proven experience as a Mid or Senior developer with deep expertise in Angular . Experience with complex, high-traffic web platforms. Familiarity with version control systems, such as Git. Understanding of front-end testing frameworks … and tools (e.g., Jasmine, Karma, Protractor). A collaborative mindset and a desire to contribute to a high-performance culture. If you are a talented and experienced developer looking to make a significant impact on a growing business, we encourage you to apply. More ❯

Mid-Senior Developer | Angular | Rapidly Expanding Tech Company My client are seeking a Mid/Senior level Front End Developer with a passion for Angular to join their team. You'll be a key contributor to the engineering efforts, working closely with both the leadership and UX teams to enhance and scale core platforms. This is … Complex Problems: Address environment issues and platform challenges, and contribute to the design of a scalable, modular architecture. What we're looking for: Proven experience as a Mid or Senior developer with deep expertise in Angular . Experience with complex, high-traffic web platforms. Familiarity with version control systems, such as Git. Understanding of front-end testing frameworks … and tools (e.g., Jasmine, Karma, Protractor). A collaborative mindset and a desire to contribute to a high-performance culture. If you are a talented and experienced developer looking to make a significant impact on a growing business, we encourage you to apply. More ❯

Mid-Senior Developer | Angular | Rapidly Expanding Tech Company My client are seeking a Mid/Senior level Front End Developer with a passion for Angular to join their team. You'll be a key contributor to the engineering efforts, working closely with both the leadership and UX teams to enhance and scale core platforms. This is … Complex Problems: Address environment issues and platform challenges, and contribute to the design of a scalable, modular architecture. What we're looking for: Proven experience as a Mid or Senior developer with deep expertise in Angular . Experience with complex, high-traffic web platforms. Familiarity with version control systems, such as Git. Understanding of front-end testing frameworks … and tools (e.g., Jasmine, Karma, Protractor). A collaborative mindset and a desire to contribute to a high-performance culture. If you are a talented and experienced developer looking to make a significant impact on a growing business, we encourage you to apply. More ❯

Mid-Senior Developer | Angular | Rapidly Expanding Tech Company My client are seeking a Mid/Senior level Front End Developer with a passion for Angular to join their team. You'll be a key contributor to the engineering efforts, working closely with both the leadership and UX teams to enhance and scale core platforms. This is … Complex Problems: Address environment issues and platform challenges, and contribute to the design of a scalable, modular architecture. What we're looking for: Proven experience as a Mid or Senior developer with deep expertise in Angular . Experience with complex, high-traffic web platforms. Familiarity with version control systems, such as Git. Understanding of front-end testing frameworks … and tools (e.g., Jasmine, Karma, Protractor). A collaborative mindset and a desire to contribute to a high-performance culture. If you are a talented and experienced developer looking to make a significant impact on a growing business, we encourage you to apply. More ❯

Senior Mobile Software Developer Tech : React Native, JavaScript, Android, iOS Why? start-up financial services, revolutionising the industry Location : Hybrid - 1/2 days in the office (Central London) Salary : £80,000 - £100,000 + benefits 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 Mobile Software Developer - Responsibilities Design, develop, and maintain advanced applications using React Native. Collaborate with cross-functional teams to define, design, and ship new features. Optimize components for … 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 Mobile Software Developer - Experience Required Proven track record of developing and maintaining high-quality mobile applications using React Native from concept through to launch. Focus on how app More ❯

Senior Mobile Software Developer Tech : React Native, JavaScript, Android, iOS Why? start-up financial services, revolutionising the industry Location : Hybrid - 1/2 days in the office (Central London) Salary : £80,000 - £100,000 + benefits 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 Mobile Software Developer - Responsibilities Design, develop, and maintain advanced applications using React Native. Collaborate with cross-functional teams to define, design, and ship new features. Optimize components for … 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 Mobile Software Developer - Experience Required Proven track record of developing and maintaining high-quality mobile applications using React Native from concept through to launch. Focus on how app More ❯

Senior Backend Developer Location: London Hybrid: minimum 2 days a week (40%) onsite (in line with departmental requirements) Lane Clark &Peacock (LCP) is a leading independent consultancy that uses powerful analytics fused with human expertise to shape a more positive future. We provide market-leading capabilities across pensions and financial services, energy, health, and analytics. Our technology and … clients leverage the latest technology and analytics across a range of industries to stay at the forefront of data-driven and digital solutions. What's the role? As a Senior Backend Developer in our Insurance Analytics team, you will play a leading role in the continued development of InsurSight, our award-winning insurance analytics platform. InsurSight was launched … reviews, and take ownership of key technical challenge - particularly where complex datasets and performance bottlenecks are involved. You will have the benefit of the guidance of our lead C# developer and Python developer, but also the opportunity to take ownership of your work and to work closely with our wider team of data scientists, actuaries and industry specialists. More ❯

Senior Full Stack Mobile Developer Tech : React Native, JavaScript, Android, iOS Why? start-up financial services, revolutionising the industry Location : Hybrid - 2 days in the office (Central London) Salary : £80,000 - £100,000 benefits 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 Mobile Developer - Responsibilities Design, develop, and maintain advanced applications using React Native. Collaborate with cross-functional teams to define, design, and ship new features. Optimize components for maximum … 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 Mobile Developer - Experience Required Proven track record of developing and maintaining high-quality mobile applications using React Native from concept through to launch. Focus on how More ❯

Senior React Developer/Front End Engineer (React TypeScript Data Visualisation) London to £80k Are you a skilled Software Developer with strong React and Data Visualisation skills combined with a good appreciation of financial markets and technology? You could be joining a growing, global, Fintech services company that has seen 30-40% year on year growth for … the past 10 years and has ambitious growth plans. As a Senior React Developer you'll design and develop new features and enhancements to the front end of the platform with a focus on real-time data visualisation on business critical systems using React. You'll collaborate with backend engineers to build complex financial products. Location/WFH … and Python backend systems You're degree educated, having achieved a 2.1 or above in Computer Science or similar technical discipline What's in it for you: As a Senior React Developer you will receive a comprehensive package including: Salary to £80k Private Medical Healthcare including Dental and Vision cover Pension Share Option scheme Employee Wellness Programme Summer More ❯

Senior React Developer/Front End Engineer (React TypeScript Data Visualisation) London to £80k Are you a skilled Software Developer with strong React and Data Visualisation skills combined with a good appreciation of financial markets and technology? You could be joining a growing, global, Fintech services company that has seen 30-40% year on year growth for … the past 10 years and has ambitious growth plans. As a Senior React Developer you'll design and develop new features and enhancements to the front end of the platform with a focus on real-time data visualisation on business critical systems using React. You'll collaborate with backend engineers to build complex financial products. Location/WFH … and Python backend systems You're degree educated, having achieved a 2.1 or above in Computer Science or similar technical discipline What's in it for you: As a Senior React Developer you will receive a comprehensive package including: Salary to £80k Private Medical Healthcare including Dental and Vision cover Pension Share Option scheme Employee Wellness Programme Summer More ❯

Senior React Developer/Front End Engineer (React TypeScript Data Visualisation) London to £80k Are you a skilled Software Developer with strong React and Data Visualisation skills combined with a good appreciation of financial markets and technology? You could be joining a growing, global, Fintech services company that has seen 30-40% year on year growth for … ambitious growth plans. Read on to fully understand what this job requires in terms of skills and experience If you are a good match, make an application. As a Senior React Developer you'll design and develop new features and enhancements to the front end of the platform with a focus on real-time data visualisation on business … and Python backend systems You're degree educated, having achieved a 2.1 or above in Computer Science or similar technical discipline What's in it for you: As a Senior React Developer you will receive a comprehensive package including: Salary to £80k Private Medical Healthcare including Dental and Vision cover Pension Share Option scheme Employee Wellness Programme Summer More ❯