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Senior Software Engineer, Frontend

Frontend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 201-500H1B No SponsorCompany SiteLinkedIn

Location

United Kingdom

Posted

59 days ago

Salary

0

Seniority

Senior

Bachelor Degree5 yrs expEnglishCypressJestReactTypeScriptWebpack

Job Description

Senior Software Engineer, Frontend

Firstup

• Build scalable frontend applications using modern React patterns and a component-driven architecture. • Own the design and implementation of a reusable, accessible component library and documentation. • Define the frontend testing strategy (Unit, Integration, E2E) including visual regression and user interaction coverage. • Optimize client-side performance and ensure production readiness through observability, error monitoring, and rapid incident resolution. • Leverage and advocate for AI-assisted tools (e.g., GitHub Copilot, Claude) to accelerate development while maintaining rigorous engineering judgment and accountability for code correctness. • Drive team-wide best practices, conduct quality code reviews, and mentor engineers to elevate overall engineering quality. • Partner with Product and Design to translate requirements into intuitive UI, making informed technical trade-offs in the face of ambiguity.

Job Requirements

  • 5+ years building reliable, high-performance frontend applications at scale.
  • Expertise in React (Hooks, State Management), TypeScript, and modern tooling (Vite, Webpack).
  • Proficiency with Jest, React Testing Library, and Cypress/Playwright.
  • Proven experience building design systems or component libraries with a focus on WCAG accessibility.
  • Demonstrated ability to use and critically validate AI-assisted coding outputs (e.g., Claude, Copilot).
  • Bachelor’s in CS or equivalent practical experience.

Benefits

  • Excellent PTO program
  • Great health benefits
  • Casual and friendly environment
  • Remote work
  • Leadership team who believes in your growth

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