TypeScript and React (JavaScript) Engineer

Sector:FinTech/Financial Services

Salary/Rate:£110,000-£140,000

Job type:Perm

Town/City:City of London

County:London

Job ref:SDPI02

Post Date:27. 03. 2025

Apply Now Create Job Alert

Scroll

Meet Our Recruiter

Craig Mullen

Director

0203 479 4931

craig@ncounter.co.uk

About the Role

TypeScript and React (JavaScript) Engineer

A fast-growing Fintech/Payments scale-up client of ours, is hiring for a Product focused engineer to assist them with their goal to drive innovation in digital transactions and financial services. This firm is revolutionizing payment solutions, leveraging cutting-edge technology to enhance security, efficiency, and user experience. The successful candidate will be a Typescript and React expert, joining a group of engineers, and maintaining the development standards across multiple engineering squads.

Experience:

5+ years of experience with JavaScript/TypeScript (React and Node.js) Exposure to Python is a plus Strong knowledge of BDD, TDD, CircleCI, PostgreSQL, and AWS RDS Expertise in OOP and core JavaScript for both browser and server-side development Experience working within agile squads is beneficial Proficiency in API design (REST & GraphQL) – Rust experience is a plus Strong understanding of Agile methodologies

This is an exciting opportunity to contribute to a high-growth fintech company, working across multiple projects with talented engineers in a fast-paced, dynamic environment. You’ll play a key role in shaping the technical direction, gaining significant responsibility during a period of rapid expansion and transformation.

Apply Now Create Job Alert

More jobs from this recruiter

View All

Platform Engineer – Observability

City of London

London

£140,000-£150,000

A leading trading platform provider in London, are looking for a Principal Platform Engineer with excellent an understanding of Python and architectural design principles to help reorganise their SRE and Observability function. Consuming huge amounts of data each day, this Fintech company allows traders to monitor their commodities, securities and investment at scale and in real-time. Ingestion pipelines are created using cutting edge technology producing market leading data insights and trading opportunities.

Integration Specialist (Connectivity and Application)

City of London

London

£125,000-£135,000

This hedge fund, with a technology-first approach, is reshaping the global financial landscape through innovation and precision. They are seeking an Integration Specialist to join their Professional Services team, offering the opportunity to help shape the future of a flagship trading platform trusted by some of the world’s leading financial institutions. As a Project Management-focused Integration Specialist, you’ll lead the integration of critical market data services essential to the firm's trading and research operations. The role requires a blend of technical expertise and project leadership, overseeing the full lifecycle of integration projects — from technical scoping and dependency mapping to delivery and migration. A background as an Implementation Engineer, Technical Account Manager, or FIX Onboarding Specialist would be highly advantageous.

Cyber Security Consultant

London

£65,000-75,000

Are you passionate about protecting businesses and public sector organisations from cyber threats? We’re on the lookout for talented Cyber Security Consultants to join our dynamic team and play a key role in designing, implementing, and advising on a range of security solutions. If you thrive in a fast-paced environment and have experience across the security lifecycle—from secure solution development to operational risk management—we want to hear from you!

Senior C# Developer

Canary Wharf

London

£120,000-£140,000

A Fintech partner of ours is currently hiring for an experienced C# Engineer with good experience in WPF/Desktop Applications, API and Microservice development and ideally some Python or TypeScript expertise. An eagerness to hit the ground running and add value will be imperative, whilst having a good level of experience designing and extending large codebases for multithreaded client-facing applications is also preferred. Consuming huge amounts of data each day, this Fintech company allows traders to monitor their commodities, securities and investment at scale and in real-time. Ingestion pipelines are created using cutting edge technology producing market leading data insights and trading opportunities.