Senior Frontend Engineer (React / TypeScript)

Stack

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 patterns)
• ▹Integrate third-party tools including Auth0, PostHog, Sentry and mapping/routing engines
• ▹Maintain high performance standards: lazy loading, code splitting, bundle optimization
• ▹Use AI-assisted development tools (Claude) as part of the daily workflow
• ▹Ship via GitHub Actions CI/CD pipelines
• ▹Participate in architecture and UX decisions

Requirements

• ▹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: components colleagues can confidently extend
• ▹Ability to self-direct: take a loosely defined problem, break it down and deliver

Nice to have

• ▹Experience with geospatial or data-heavy UIs (maps, charts, large tables)
• ▹Familiarity with observability and error tracking tools (Sentry, PostHog)
• ▹Background in logistics, supply chain or B2B SaaS products
• ▹Experience with design systems and component libraries
• ▹Familiarity with testing (Vitest, Playwright or similar)
• ▹Familiarity with AI-assisted development tools

Soft skills

What we offer

• ▹Competitive salary benchmarked to your market
• ▹Remote-friendly setup
• ▹Direct impact on a product used daily by global logistics professionals
• ▹Interesting domain: intermodal routing is hard and the problems are real
• ▹A lean, senior team where your frontend decisions actually ship
• ▹AI tooling as a first-class part of the workflow

About the company

Routescanner is a leading container logistics intelligence platform, helping shippers, freight forwarders and cargo owners discover, compare and optimize intermodal container routes based on transit times, carrier reliability and CO₂ emissions.