Senior Frontend Engineer (React/TypeScript) — Remote & AI Tools

United States Digital Space LLC

United States

Remote

USD 120,000 - 160,000

Full time

3 days ago
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Job summary

Routescanner is seeking a senior frontend engineer to own and scale our React/TypeScript frontend. You will build advanced UI components for route search, maps, and data tables, while collaborating with backend engineers on API contracts and integrating Auth0, PostHog, and Sentry.

Expect a remote-friendly environment with an emphasis on performance and architecture. The role requires strong frontend fundamentals, experience with REST APIs, and a self-directed work style in a fast‑growing

Qualifications

  • 5+ years of professional frontend development with React and TypeScript.
  • Fluent in Polish and English.
  • Strong understanding of component architecture, state management, and frontend performance.
  • Experience working with REST APIs and designing frontend data flows.
  • Solid command of modern CSS and responsive design.
  • Experience with CI/CD pipelines and Git-based workflows.
  • Clean code as a practice — you write components your colleagues can confidently extend.
  • Genuine ability to self‑direct: you can take a loosely defined problem, break it down, and deliver.

Responsibilities

  • Build and maintain a React/TypeScript frontend at real scale.
  • Own complex UI components: route search, filtering, map-based visualization, data tables, and comparison views.
  • Work closely with backend engineers on API contracts (REST/BFF).
  • Integrate third‑party tools including Auth0, PostHog, Sentry, and mapping/routing engines.
  • Maintain high performance standards — lazy loading, code splitting, bundle optimization.
  • Leverage AI‑assisted development tools as part of your daily workflow.
  • Ship via GitHub Actions CI/CD pipelines.
  • Participate in architecture and UX decisions — your opinion will carry weight.

Skills

React
TypeScript
Frontend architecture
Frontend performance
REST APIs
CSS
CI/CD
GitHub Actions
AI-assisted development tools
Polish language
English language

Tools

Sentry
PostHog
Maps/Routing engines
GitHub Actions
Claude AI

Job description

Routescanner is seeking a senior frontend engineer to own and scale our React/TypeScript frontend. You will build advanced UI components for route search, maps, and data tables, while collaborating with backend engineers on API contracts and integrating Auth0, PostHog, and Sentry.

Expect a remote-friendly environment with an emphasis on performance and architecture. The role requires strong frontend fundamentals, experience with REST APIs, and a self-directed work style in a fast‑growing

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