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TECH Senior React Native Engineer

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TECH Senior React Native Engineer in Others

  • HelloFresh
  • Full time
  • Email
  • Warsaw, Poland

Responsibilities

  • Own feature delivery from technical design through implementation, phased feature-flagged rollout, and post-launch measurement.
  • Build and refine scalable React Native surfaces for iOS and Android, emphasizing modularity, offline resilience, and pricing correctness.
  • Navigate GraphQL APIs and backend pricing data while primarily developing in React Native and TypeScript.
  • Maintain unit, integration, and Maestro E2E test coverage and establish metrics, traces, and alerts for critical revenue paths.
  • Run and analyze A/B experiments, mentor mid-level engineers through reviews, and share mobile engineering patterns.
  • Use AI tools for scoping, design, coding, and test generation while validating generated code.

Requirements

  • Senior-level software engineering experience with 2–3+ years of production React Native experience.
  • Proficiency with TypeScript and modern React.
  • Experience managing complex state, modular architectures, and GraphQL or REST API integrations in large-scale shared codebases.
  • Hands-on experience with unit, integration, and E2E testing, such as Jest, React Native Testing Library, and Maestro.
  • Experience with CI/CD release practices and mobile architecture or performance considerations.
  • Demonstrated use of AI tools to accelerate delivery, including validation, error correction, and trade-off analysis.
  • Ability to work independently, make technical decisions, and collaborate with product, design, and analytics teams.
  • Preferred experience includes subscription or pricing systems, mobile performance profiling, experimentation platforms, or observability tools such as Honeycomb and OpenTelemetry.

Benefits

  • Collaborate with international HelloTech engineering and product teams in an active knowledge-sharing culture.
  • Build systems used at global scale by more than 6 million customers and influence technical, product, design, quality, and architectural practices.
  • Work end to end from problem definition through production delivery in an autonomous, product-led environment.
  • Access to the HelloFresh Warsaw Centre Point workspace, including showers, breakout zones, outdoor space, cycle parking, coffee, soft drinks, and fruit.

HelloFresh

HelloFresh is on a mission to change the way people eat, forever! From our 2011 founding in Europe’s vibrant tech hub Berlin, we’re evolving from the world’s leading meal kit company to the world's leading food solutions group. We delivered 243.3 million meals and reached 7.5 million active custo...

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