Senior React & Next.js Frontend Engineer for Telephony

Rullion; Greater London; On-site; GBP 130,000 - 170,000; Full time

Job summary

We are seeking a Senior Frontend Developer to join a high-performing engineering team in the UK. You will own frontend feature delivery from design through production, building and maintaining React and Next.js applications while collaborating with Designers, Backend, Product and Platform teams.

You will contribute to modernising frontend platforms, delivering scalable and well-tested solutions, and mentoring junior developers within agile squads.

Qualifications

• Senior-level frontend engineering experience.
• Experience with React and Next.js.
• Experience in large-scale frontend applications.

Responsibilities

• Own frontend feature delivery from design to production.
• Build and maintain React and Next.js applications.
• Develop clean, scalable TypeScript code and test coverage.

Skills

Senior frontend engineer

Mentoring

Agile teamwork

Stakeholder communication

Tools

React

Next.js

Tailwind CSS

Playwright

Jest

Vitest

Git-based CI/CD

Job description

We are seeking a Senior Frontend Developer to join a high-performing engineering team in the UK. You will own frontend feature delivery from design through production, building and maintaining React and Next.js applications while collaborating with Designers, Backend, Product and Platform teams.

You will contribute to modernising frontend platforms, delivering scalable and well-tested solutions, and mentoring junior developers within agile squads.