Haystack
Junior Frontend Developer
HaystackUnited Kingdom20 hours ago
Full-timeInformation Technology

Junior Frontend Developer


£30,000 - £35,000 | Manchester


We’re representing a fast-growing software company based in central Manchester, delivering innovative people solutions to over 100,000 clients worldwide. They’re now looking for a talented Junior Frontend Developer to join their collaborative in-house team and help shape intuitive, high-performing web experiences.


This is a fantastic opportunity for a developer eager to work with modern React, TypeScript, and cutting-edge UI tooling in a dynamic product-led environment.


What you’ll do

  • Build, maintain, and optimise React-based interfaces using Hooks, Context, and React Query.
  • Collaborate with designers, product managers, and backend engineers to deliver clean, scalable, and user-friendly features.
  • Write and maintain unit and component tests using React Testing Library.
  • Integrate with REST and GraphQL APIs to create data-rich front-end experiences.
  • Work within a modern development workflow using Git and Tailwind CSS.


What you’ll bring

Essential:

  • Solid experience with JavaScript/TypeScript and modern React.
  • Familiarity with testing frameworks (React Testing Library).
  • Proficiency in Git and version control best practices.
  • Experience working with REST or GraphQL APIs.
  • Strong knowledge of CSS (Tailwind experience ideal).


Desirable:

  • Experience designing component libraries with Storybook.
  • Exposure to Cloudflare Workers and performance optimisation (code-splitting, caching).
  • Understanding of accessibility best practices (keyboard support, screen readers, form usability).
  • Knowledge of frontend architecture patterns and E2E testing (Cypress/Playwright).
  • Familiarity with observability tools (GA tagging, logging, App Insights).


Why you’ll love this

  • Work for a tech-forward company powering digital transformation for thousands of businesses.
  • Hands-on exposure to a wide range of modern front-end technologies.
  • Join a close-knit, ambitious team in a vibrant Manchester office.
  • Clear progression path and opportunities to grow your technical expertise.


💡 If you’re a detail-driven React developer ready to make your mark in a fast-paced, innovative environment — this is the opportunity for you.

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