26 to 50 of 64 Senior Developer Jobs in London

Senior eFX Developer (VP) High Frequency Trading | London Currently supporting a major global investment bank on the growth of its electronic FX trading technology team in London. The business is investing heavily into its eFX platform and is looking for a senior engineer to help scale ...

Blazor developer/Senior .NET Integration Engineer City of London (3 days in office) Up to £85,000 We are seeking a Senior Integration Engineer to design and build scalable, enterprise-grade UI systems using Blazor integrated with .NET APIs. This role focuses on owning ...

Title: Senior Database Developer (SQL) - Front office Trading Compensation: Up to £175k + Benefits + Bonus Location: London Client: Global Commodities Trading Firm The role A technology-driven commodities trading firm is seeking a talented SQL Developer to join its Front Office technology team, supporting a highly ...

Senior .NET/Vue 3 Developer - Outside IR35 Pay Rate: up to £475 per day - Outside IR35 Working Arrangement: Hybrid (Central London) - 1-2 days per week Duration: 6-Months initial (Extension Likely) A large growing fintech is looking for an experienced Senior click apply for full ...

Role : Avaloq Developer Location: Scotland, UK (Remote) Contract Duration : 10 Months Job Description: An Avaloq Developer is responsible for the end-to-end design, implementation, customization, and unit testing of solutions within the Avaloq Banking Suite. The role involves delivering high-quality parameterization, scripting, interfaces, and report development ...

Excellent opportunity for a Senior Software Developer to play a key role in architecting, developing, and enhancing our clients in-house trading and research systems. This is an opportunity to work on greenfield projects, influence architectural decisions, and directly impact systems that support real-world trading strategies. … senior member of the team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C# .NET SQL Server ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications. Key Responsibilities Design, develop, and maintain high-performance applications ...

Excellent opportunity for a Senior Software Developer to play a key role in architecting, developing, and enhancing our clients in-house trading and research systems. This is an opportunity to work on greenfield projects, influence architectural decisions, and directly impact systems that support real-world trading strategies. … senior member of the team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C# .NET SQL Server ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications. Key Responsibilities Design, develop, and maintain high-performance applications ...

client is in the Financial Sector and is looking to grow the team with a new Senior Developer. This role can be done remote with weekly meet ups in London on a Wednesday. The technology function is around 80 people total and you will work in an Agile team … 8. Client Details Our client is in the Financial Sector and is looking to grow the team with a new Senior Developer. This role can be done remote with weekly meet ups in London on a Wednesday. The technology function is around 80 people total and you will work ...

Senior Python/Django Developer (Contract) £700-£750 per day (Inside IR35) | Remote | 6 months We're supporting a leading UK retailer as they scale an AI-driven pricing platform across Europe, and are looking for a Senior Python/Django Developer to support the next ...

Senior Django/Python Developer Pay Rate: up to £700 (Inside IR35 - Umbrella) Duration: 6 months' Working arrangement: Once a every 3 months - London We're working on behalf of aFTSE 100 leading UK retailer, supporting the expansion of a highly successful AI-driven Smart Pricing programme. Following … results across well-known UK household brands, the organisation is now extending this platform across its European operations and is looking for an experienced Senior Django/Python Developer to support the next phase of delivery. This is a pure backend role, focused on scalable, high-quality Python ...

Senior Python/Django Developer (Contract) £700-£750 per day (Inside IR35) Remote 6 months We're supporting a leading UK retailer as they scale an AI-driven pricing platform across Europe, and are looking for a Senior Python/Django Developer to support the next ...

Location London, Hybrid Role Type 12 Month Contract Rate £800 - £900 per day Delta Capita is seeking a highly skilled Senior Rates Developer to join our Global Markets Technology practice. This role sits within a specialist team responsible for delivering pricing, eTrading and eRisk capabilities across Rates ...

Excellent opportunity for a Senior Software Developer to play a key role in architecting, developing, and enhancing our clients in-house trading and research systems. This is an opportunity to work on greenfield projects, influence architectural decisions, and directly impact systems that support real-world trading strategies click ...

Location London, Hybrid Role Type 12 Month Contract Rate £700 - £800 per day Delta Capita is seeking a highly skilled Senior eTrading Developer to join our clients Global Markets Technology practice. This role will focus on developing and enhancing low‐latency components within an electronic trading (eTrading ...

Hopeghospital in Greater London is seeking a Senior Java Developer to design and maintain high-quality Java applications. The role involves collaborating with cross-functional teams to deliver scalable solutions, optimizing performance, and mentoring junior developers. Candidates must have strong proficiency in Java, Spring, Hibernate, and experience with ...

Title: Senior Front-End Developer (React/TypeScript/Python/Azure) Role Type: Contract Contract Length: 3 months initial Location: UK based (Onsite once a week in London) Summary Our client is looking for a Senior Front-End Developer to build modern, secure and high ...

reach and stability of a global financial services business. To learn more, visit Payments.corpay.com/cross-border. Role Overview: We are looking for a Senior Full Stack Software Developer to help evolve the platforms that power Corpay Cross-Borders international payments and foreign exchange capabilities. This ...

TradingHub combines global reach with deep markets expertise to help our customers mitigate financial, regulatory, and reputational risk. The Role We are seeking a Senior Quantitative Developer (VP) to take a leading role in designing, building and validating our pricing models. This includes creating financial pricing libraries ...

Celon is seeking a Senior Microsoft Dynamics Developerto join our growing team on a 12-month contract, with an immediate start and the potential to extend. This is a hands-on role for someone who can work independently, understand business needs, and translate them into practical, well-structured solutions. … sound technical decisions, challenge requirements where needed, and ensure solutions are scalable, maintainable, and fit for purpose. The Role We are looking for a Senior Microsoft Dynamics Developer to take ownership of the design and delivery of Dynamics 365 solutions. This is a hands-on role for someone ...

Flutter Developer £70,000 Hybrid (Scotland) Permanent Most Flutter roles are about building apps. This one is about building technology that connects software with real-world hardware. We're working with a global technology business operating across 13 countries, looking for an experienced Flutter Developer to join their … both software and hardware innovation Interview Process Two-stage process: Hiring Manager Interview Head of R&D Interview If you're a Flutter developer who wants to work on more than just apps and you're excited by the challenge of bringing software and hardware together, I'd love ...

Must have Bachelor's Degree in Computer Science, Maths, Stats, or Op Research Recruit From UK only Annual Salary - £250,000 - £600,000 Senior Quantitative Developer/Research & Data Engineer - LONDON, UK x3 - Annual Salary - £250,000 - £600,000 (base salary £120k - £160k+) Primary Skills - Python, C++, quantitative … into an independent firm already managing $6bn+ AUM, with ambitions to become one of the largest quant spinouts in the industry. They are hiring senior Quantitative Developers/Research & Data Engineers in London to help build the core infrastructure of the new platform. The environment combines the backing, leadership ...

leading consulting and solutions provider is seeking a skilled Senior eTrading Developer in London. This contract role involves developing low-latency components within an electronic trading platform. Responsibilities include working with stakeholders to design and implement systems, coding in Java, and supporting algorithmic trading strategies. The ideal candidate ...

Senior Django/Python Developer Pay Rate: up to £700 (Inside IR35 - Umbrella) Duration: 6 months' Working arrangement: Once a every 3 months - London We're working on behalf of aFTSE 100 leading UK retailer, supporting the expansion of a highly successful AI-driven Smart Pricing programme click ...

I am currently working with a London-based financial services client who are actively seeking multiple Frontend Developers for a brand-new business-critical project. What you'll need to succeed Extensive React/Typescript ...

client is a London-based financial-services company who are actively seeking a Senior Python Quant Developer to join on an initial 12-month contract basis. What you'll need to succeed : Extensive hands-on Python Development experience building REST APIs with FastAPI or similar. Strong quantitative background ...