Senior Frontend Engineer (React/TS) – Remote & AI Tools

Royal Dirkzwager; Toruń; On-site; PLN 210,000 - 270,000; Full time

Job summary

Routescanner is seeking a senior frontend engineer to own the React/TypeScript frontend at scale and contribute to architecture and UX decisions. You will collaborate with backend engineers, integrate AI-assisted tooling, and shape the user interface for route search, maps, and data-rich views.

Join a lean, high-trust team, embrace a remote-friendly setup, and ship features through GitHub Actions CI/CD while maintaining performance and quality across a global logistics platform.

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.
• 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.

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
• Leverage AI-assisted development tools (Claude) 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

Polish & English

Frontend performance

REST APIs

CSS / responsive design

CI/CD pipelines

Geospatial / maps

Sentry / PostHog observability

Git

PostHog

Sentry

Tools

Git

GitHub

PostHog

Sentry

Job description

Routescanner is seeking a senior frontend engineer to own the React/TypeScript frontend at scale and contribute to architecture and UX decisions. You will collaborate with backend engineers, integrate AI-assisted tooling, and shape the user interface for route search, maps, and data-rich views.

Join a lean, high-trust team, embrace a remote-friendly setup, and ship features through GitHub Actions CI/CD while maintaining performance and quality across a global logistics platform.