Senior Frontend Engineer, Conversions (all genders)New

HelloFresh
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Warszawa, Masovian Voivodeship, PolandMarketing

The opportunity

Work with HelloFresh in Warsaw and its HelloTech organisation, HelloFresh’s global technology backbone with more than 1000 people, building the digital products that power our end-to-end food experience. From meal kits and ready-to-eat meals to specialty offerings like pet food…

What they're looking for

  • Deep technical proficiency in React, TypeScript, and modern rendering: patterns (SSR), supported by extensive professional software engineering experience.
  • Proven track record architecting solutions using edge runtimes (such as: Vercel Edge Functions or Cloudflare Workers) and understanding how edge caching directly impacts personalization and latency.
  • Demonstrated GenAI expertise, with hands-on skill leveraging modern AI tools: and workflows to enhance code quality, development speed, and overall technical standards.
  • Practical application of A/B testing and feature-flagging frameworks (e.g.,: Statsig, Optimizely) alongside frontend monitoring and observability platforms.