
[TECH] Senior React Native Engineer [CONSUMER]
HelloFresh11 hours ago
Warsaw, PolandSenior
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.
Tech Stack
Categories
Mobile
About HelloFresh
HelloFresh builds subscription meal kits for households, delivering pre-portioned ingredients and recipes to cook at home. The company sells direct-to-consumer across North America, Europe, and Australia under multiple brands, with revenue from recurring subscriptions and add-ons like market items. Founded in 2011 and headquartered in Berlin, HelloFresh is a public company listed in Germany (ETR) and operates its own fulfillment and last-mile logistics.