50 reactjs developer jobs in London, United Kingdom.

£150,000-200,000 + bonus Quant Capital is urgently looking for a Crypto FPGA Developer to join our high profile clients Team Our client is a well known global Global Prop Trading firm. They value technology especially the opensource variety as well as scalability and robust performance (much like their track record). They ...

Crypto Developer Small Trading Firm £60,000-150,000 total comp United Kingdom – remote (Must be legally able to work in the UK and not require sponsorship now or in the future) Quant Capital is urgently looking for a Software Engineer with Crypto trading experience to join our high-profile client. Our client is a well-known ...

Job Description Senior KDB+ Developer Location: London, UK Employment Type: Permanent / Contract (depending on engagement) Company: Talan Hybrid Working: 3 Days Per Week onsite About the Role Talan is seeking an experienced Senior KDB+ Developer to join a high-performing front-office technology team supporting Fixed Income ...

... operates in financial services and is a certified B-corporation, with a strong focus on ethical and environmental investments. You would join as the senior developer, focusing on the backend. Exposure and understanding of the frontend is ideal, Angular or React, the technologies in play. You’ll upskill the more junior members ...

Job Summary As a Senior Java Developer at Eeze you will play a crucial role in shaping the development of our live casino games from concept to delivery. This position is perfect for those with a startup mindset, the ability to work independently, take initiative, and make their own decisions. Main Responsibilities - Design ...

... scalable applications. - Maintain and optimise existing systems to ensure high performance and reliability. - Provide technical guidance and mentorship to junior developers. - Ensure code quality through regular reviews and adherence to best practices. - Identify and resolve technical issues promptly to minimise downtime. - Contribute ...

... result have a genuine impact in the business so your presence will certainly be felt. The role would ideally call for five years’ experience as a Software Developer, however if you do lack the 5 years but have had extensive experience working as a developer within finance then certainly still feel confident that this opportunity ...

Role: Principal / Senior Java Developer – Elite FinTech Rate: Up to £750 per day Location: London Working Pattern: Hybrid Contract: Contract The Role They are looking for an exceptional Principal / Senior Java Developer to join a high-calibre engineering team, working alongside some of the industry's strongest developers, ...

Join the Equity Accelerator programme to modernize critical Prime Finance Equities trading platforms. The role focuses on building and evolving highly scalable backend systems using Kotlin and Java, with event-driven, cloud-native architectures.

... senior to come in and provide great foundational knowledge to platform the team into a position for further success. The company is looking for a Senior Java Developer like yourself to join them on their upwards journey. As a Senior Java Developer, you will be building applications and APIs with Java, working on a SpringBoot ...

... on this exciting journey as we continue to redefine the iGaming landscape, one groundbreaking solution at a time. We are looking for a dedicated Middle Java Developer to join our team in London! About the job: This is a rare opportunity to shape how data-driven decision-making works at scale across an iGaming CRM platform ...

Rust Developer Trading Remote Up to €195,000 Plus Stock Options and bonus Quant Capital is urgently looking for a Rust Developer to join our high profile clients Team Our client is a well known global Global Prop Trading firm. They value technology especially the opensource variety as well as scalability and robust performance ...

Blockchain Developer REMOTE WORKING £130,000 Quant Capital is urgently looking for a Blockchain Developer to join our high profile clients Team Our client is a well known global Global Prop Trading firm. They value technology especially the opensource variety as well as scalability and robust performance (much like their ...

Rust Developer Trading Remote €140,000 Plus Stock Options Quant Capital is urgently looking for a Rust Developer to join our high profile clients Team Our client is a well known global Global Prop Trading firm. They value technology especially the opensource variety as well as scalability and robust performance (much like ...

... individual can grow in their desired direction. Skills Must have Overall, 5+ years of professional experience. Proven experience as a Progress 4GL OpenEdge Developer. Comprehensive skills in Bash scripting for automation and system management. Ability to perform system administration tasks related to the Progress 4GL OpenEdge ...

... founders, fresh off a funding round secured purely on their reputation - no hype, just a great idea backed by one of Europe’s top VCs. They’re looking for talented developers to help turn that vision into reality. It’s a true start-up environment: working closely with brilliant engineers, brainstorming, coding, and pushing a product ...

... team - Take technical ownership of complex, business-critical platforms Technologies: - Linux - Unix More: We are hiring a highly experienced Senior KDB+/Q Developer for a long-term contract opportunity with a large financial services organisation. This is a 12-month contract with potential extension, offered inside IR35, ...

Role : Senior Developer (C#/.NET) Location : London (Hybrid) Rate : Up To £800 Per Day The role An exciting opportunity has arisen for an experienced Senior .NET Technical Lead to join a high-performing technology team delivering business-critical enterprise applications. This is a hands-on leadership role, combining software ...

Role : Principal / Senior Java Developer – Elite FinTech Rate: Up to £750 per day Location: London Working Pattern: Hybrid Contract: Contract The Role They are looking for an exceptional Principal / Senior Java Developer to join a high-calibre engineering environment, working alongside some of the industry's strongest developers, ...

Cobol Developer Fintech Java SQL £60,000 London or Birmingham Quant Capital is urgently looking for an Cobol Developer to join our high profile client. Our client is a well-known a global financial technology firm which specialises in the design and development of software in the Asset Management Industry. The successful ...