Senior Frontend Engineer, React / TypeScript

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ProMedia Group

WebsiteLinkedInAll Job Openings

201 - 500 employees

📱 Media

🚗 Transport

🤝 B2B

Media • Transport • B2B

ProMedia Group is a multimedia company and publisher specializing in business-to-business publications in the sectors of mobility, traffic, and transport. The company provides valuable information to directors, managers, entrepreneurs, and professionals about developments in their fields. ProMedia also organizes high-quality national and international conferences, seminars, and trade fairs in the sectors they operate in. Their mission includes empowering professionals in the transport industry through knowledge dissemination, networking, and inspiration, helping them achieve sustainability goals. With over 25 titles, ProMedia's publications reach over 1 million professionals per month in the transport, mobility, and maritime sectors. Additionally, the company offers multimedia solutions, including video production services through ProMedia Studios.

📋 Description

• 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

🎯 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 — 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 • Strong plus: 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

🏖️ Benefits

• Competitive salary benchmarked to your market • Remote-friendly setup (we care about output, not location)