Senior Frontend Developer

Senior Frontend Developer 6 Month Contract (OIR35) Remote, UK based

I'm working with a growing technology-led business that's scaling its engineering team and looking for an experienced Senior Frontend Developer to help deliver a next-generation data and intelligence platform.

You'll play a key role in building performant, modern web applications that visualise complex data and integrate seamlessly with a Python/FastAPI backend. The team values clean, reliable, and maintainable code - so this is a great opportunity to make an impact in both product and technical decision

Location: Remote (UK)

Contract: 6 Months (likely extension)

Rate: £350-450 p/day

Start: ASAP

Key Skills:

• Strong commercial experience with React and TypeScript.

• Experience deploying and managing applications in AWS.

• Strong understanding of API integration and data flow between backend and frontend.

• Solid grasp of SQL and data handling within the UI.

• Experience with testing frameworks (Jest, Cypress, React Testing Library).

• (Bonus) Familiarity with data visualisation libraries.

• (Bonus) Previous experience in data-heavy systems or B2B SaaS

Key Responsibilities:

• Develop and maintain responsive frontend applications using React and TypeScript.

• Collaborate with backend engineers to integrate APIs (FastAPI, SQLModel, PostgreSQL).

• Optimise performance and scalability of frontend components for complex data workloads.

• Implement clean, reusable UI components and modern design patterns.

• Work closely with product and data teams to deliver user-friendly data visualisations.

If you're interested, apply now for immediate consideration.

Oscar Associates (UK) Limited is acting as an Employment Business in relation to this vacancy.

To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website.