develop Jobs in Belsize Park

About ARQARQ is one of the fastest-growing fintechs in the world. Our mission is to redefine how people interact with money across borders, building the infrastructure to move value seamlessly. We’re still early in our journey, which means every person who joins shapes the future of our product, culture, and growth. If you’re excited by big challen...

Role: Backend Developer (Core Java)We are seeking an experienced Backend Developer with strong expertise in Core Java to build scalable, high-performance APIs and work effectively within large, complex codebases. The ideal candidate will have a solid foundation in system architecture and will collaborate closely with DevOps and the Head of Engineer...

🎓 Graduate Software Developer / Quantitative Developer / Quantitative Researcher📍 Location: London (Hybrid)💷 Compensation: Up to £180,000 + Bonus + Benefits🏢 Client: Prestigious Fund🚀 Kickstart Your Career in Technology & Quantitative FinanceJust graduated and ready to launch your career at the intersection of technology, mathematics, and fina...

Role OverviewWe are seeking an experienced Scala Developer to join a dynamic team working on high-impact projects. The ideal candidate will have strong expertise in Scala and Play Framework, with a passion for building robust, scalable backend services and APIs. This is a fully remote contract role with an immediate start.Key ResponsibilitiesDesign...

Role OverviewWe are seeking an experienced Scala Developer to join a dynamic team working on high-impact projects. The ideal candidate will have strong expertise in Scala and Play Framework, with a passion for building robust, scalable backend services and APIs. This is a fully remote contract role with an immediate start.Key ResponsibilitiesDesign...

About the Role:Jefferies International's Middle Office Development team is seeking a highly skilled and self-motivated professional to join our Middle Office team. This hands-on role requires strong technical capabilities combined with banking operations knowledge to work on implementing feeds to a new platform hosted in a vendor Saas environment.L...

About the Role:Jefferies International's Middle Office Development team is seeking a highly skilled and self-motivated professional to join our Middle Office team. This hands-on role requires strong technical capabilities combined with banking operations knowledge to work on implementing feeds to a new platform hosted in a vendor Saas environment.L...

We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. We have an excellent job opportunity for you.Role Title: Blockchain Engineer (Senior SmartContract developer) Location: London- 2days onsiteDuration: 04/12/2026Role Description:We are seeking an experienced **Smart Contract Developer** with...

We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. We have an excellent job opportunity for you.Role Title: Blockchain Engineer (Senior SmartContract developer) Location: London- 2days onsiteDuration: 04/12/2026Role Description:We are seeking an experienced **Smart Contract Developer** with...

Key ResponsibilitiesDesign, develop, test, and support robust, production-ready software solutions, adhering to modern engineering best practices.Build and maintain microservices-based systems, with a strong focus on scalability, resilience, and performance.Develop and optimise scalable data pipelines, supporting both batch and streaming workloads,...