Haystack
Frontend Developer
HaystackUnited Kingdom6 hours ago
Full-timeRemote FriendlyInformation Technology

Senior Frontend Engineer

£80k–£120k

Fully remote, UK


Overview

A leading European tech business is hiring Senior to Principal-level Frontend Engineers to join a high-performing engineering team. You’ll turn ambitious product ideas into scalable, high-quality features while mentoring others and helping to drive technical excellence across the team.


What You’ll Do

  • Build and ship high-quality frontend experiences using React, TypeScript and modern tooling
  • Collaborate with engineers, product and design to solve complex technical challenges
  • Mentor and support other engineers, helping foster a culture of quality and learning
  • Contribute to architecture discussions and technical decision-making
  • Ensure strong test coverage, reliability and performance across the codebase
  • (Nice to have) Support across the stack using Node.js or Go

Required Skills

  • 7+ years’ experience in software engineering
  • Advanced knowledge of JavaScript, TypeScript and React
  • Strong understanding of automated testing and quality assurance
  • Ability to simplify complex ideas into shippable, production-ready solutions
  • Experience mentoring or leading engineering teams
  • Bonus skills: browser performance optimisation, compiler tech, UX design, Node.js or Go

Why Apply

  • Fully remote, flexible working hours
  • High-spec tools and equipment provided
  • Team retreats and a professional development budget
  • Equity options to share in company growth
  • Supportive culture with focus on impact and healthy work-life balance

Key Skills

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