13 of 13 Contract 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 ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote BRISTOL AREA We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer … objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior software More ❯

We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. Job Title: Android Senior Developer Rate:450 GBP/Day on inside Ir35 Possibility of remote work: Hybrid Work - 3 days/week Contract duration: 12 months Location: London Detailed … Job Description: -Should be a highly versatile Android Senior Dev with over 10 years' experience. -Must be aware of modernization of the entire Android app, Kotlin, Coroutines, Jetpack -Should be able to use Compose, Navigation component, MVVM, Hilt, Retrofit, Room DB, Material Design. -Must have designed and built core More ❯

Senior Angular Developer sought by leading financial services organisation based in West London. **Outside IR35 - 3 days a week on site** SUMMARY This role will suit a full-stack developer, with a broad, yet modern skill set and a proven track record, who ideally has some knowledge … and experience of the commodity or financial trading sectors. Key Responsibilities: Full stack developer with around 8-10 years development experience, working in a agile development team to deliver robust enterprise-wide solutions utilising industry standard practices Design, develop, enhance and maintain applications using agreed coding standards and quality More ❯

Job Tittle: Senior C# Developer (ASP.NET, REST API) Contract Length : 6 Months (potential for extension) Location: London (3 days a week onsite) Working Pattern: Full Time (40 Hours per Week) Rate: Highly competitive rate available for suitable candidates Are you a passionate and experienced C# Developer ready More ❯

roles. Must have 5 years of UK work experience in the UK due to Financial checks. No sponsorship. These two roles are Full Stack Senior Dev roles (any leadership skills are a bonus). For this role, experience across Front End and C# is essential, ideally within a financial More ❯

Our client is looking for a Senior Avaloq Developer to join their team on a six month initial contract, working hybrid out of their offices in London. * Above 5 years of experience in Avaloq as a stream lead role * Good experience in Payment/Cost & Fees/CLM More ❯

Our client is looking for a Senior Avaloq Developer to join their team on a six month initial contract, working hybrid out of their offices in London. * Above 5 years of experience in Avaloq as a stream lead role * Good experience in Payment/Cost & Fees/CLM More ❯

Description Golang developer - 12 month contract, inside IR35 Required Qualifications Advanced proficiency in Go (Golang) for backend development. Strong experience with RESTful APIs, GraphQL, and event-driven architectures. Deep understanding of data processing, analytics, and real-time event streaming. Expertise in PostgreSQL, AWS and Kubernetes. Proficiency in monitoring tools … engineering background, a passion for data-driven applications, and the ability to drive innovation while mentoring and guiding others within the team. Job Title: Senior Golang Developer - 2 Day London - Inside IR35 Location: London, UK Rate/Salary: 400.00 - 500.00 GBP Daily Job Type: Contract Trading as TEKsystems. More ❯

Senior C#/Angular Full Stack Developer sought by leading financial services organisation based in West London. ** Outside IR35 - 3 days a week on site** SUMMARY This role will suit a full-stack developer, with a broad, yet modern skill set and a proven track record, who … ideally has some knowledge and experience of the commodity or financial trading sectors. Key Responsibilities: Full stack developer with around 8-10 years development experience, working in a agile development team to deliver robust enterprise-wide solutions utilising industry standard practices Design, develop, enhance and maintain applications using agreed More ❯

arisen with an established financial services organisation, to work on an exciting greenfield data project. We are looking for an experienced .Net/Data Developer with experience of .Net and Azure. The role is remote, working in a stand-alone position. The codebase is an all .Net Core affair More ❯

arisen with an established financial services organisation, to work on an exciting greenfield data project. We are looking for an experienced .Net/Data Developer with experience of .Net and Azure. The role is remote, working in a stand-alone position. The codebase is an all .Net Core affair More ❯

Ruby Engineer/Outside IR35/Fully Remote/6 Month Contract I'm on the lookout for a Ruby engineer to join a fast-paced full-stack product team, you will be on the back-end team working on More ❯