26 to 31 of 31 Senior Developer Jobs in the City of London

Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence … time market operations. High-visibility role within a performance-driven engineering culture. Strong focus on continuous learning and technical excellence. Clear progression opportunities into senior technical and leadership roles. CMC Markets is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of gender ...

Senior KDB+/Q Developer 950/day Inside IR35 12-month contract (potential extension) Hybrid - 3 days onsite - London I'm working on a long-term contract opportunity for a highly experienced KDB+/Q Developer to join a large financial services organisation. They're looking … someone operating at a genuinely senior level, with deep hands-on KDB/Q expertise and experience taking technical ownership of complex, business-critical platforms. You'll work closely with technical and business stakeholders, contribute to solution design and delivery, and provide technical direction across the wider team. ...

Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence ...

Holland Mountain in London is seeking a hands-on BI Developer to join our ATLAS team on a fixed-term contract. You’ll design and deliver BI and data solutions, working directly with clients to translate evolving requirements into high-quality technical outcomes. The role requires strong SQL Server ...

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at 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 ...

Jain Global is seeking a Core Platform Developer to design and build shared backend foundations used across the firm. The role focuses on platform capabilities that improve how teams build, deploy, and operate software. The ideal candidate will create reusable services, frameworks, and tooling, spanning API enablement, observability ...