Frontend Software engineer

Senior Frontend Software Engineer (React)

Bristol (2 days on site)

Long-Term Contract

Inside IR35

We are looking for experienced Senior Frontend Software Engineers to join cross-functional product teams delivering front-end led capabilities for a large-scale Data Marketplace platform running on Google Cloud Platform (GCP).

This is an opportunity to work on modern cloud-native applications, influence technical direction, and build high-quality, accessible user experiences at scale.

🔹 What You’ll Be Doing:

• Building scalable, accessible, and well-tested frontend applications using React and TypeScript

• Working within agile cross-functional engineering teams

• Taking technical ownership of frontend solutions and contributing to architecture decisions

• Driving engineering best practices including TDD and automated testing

• Mentoring and supporting other engineers within the team

• Collaborating closely with backend engineers, product teams, and DevOps teams

🔹 Required Skills & Experience:

✅ Strong commercial experience with React and TypeScript/JavaScript

✅ Proven experience building accessible applications (WCAG standards)

✅ Strong understanding of frontend testing practices and TDD

✅ Hands-on experience with JestJS and modern testing frameworks

✅ Experience delivering scalable, maintainable frontend applications in enterprise environments

✅ Senior-level experience contributing to technical direction and mentoring engineers

🔹 Nice to Have:

• Java / Quarkus backend development experience

• Experience integrating REST APIs and working with PostgreSQL

• Exposure to CI/CD pipelines, containers, and Kubernetes

• Experience working within cloud-native environments on GCP