Mobile Staff Engineer, Platform/Infrastructure (all genders)

HelloFresh is seeking a Staff Mobile Engineer in Warsaw to provide technical leadership for the evolution of their mobile platform. This role focuses on transitioning a white-labeled, multi-brand application from a native brownfield React Native setup to a highly scalable Greenfield architecture.

• Shape Architectural Direction and contribute to the execution of our brownfield-to-greenfield React Native migration
• Design and evolve the long-term scalability and developer experience of the React Native monorepo
• Maintain and scale the monorepo to host shared npm packages for future cross-platform code sharing
• Maintain and optimize CI/CD pipelines in Bitrise while helping shape migration to Expo
• Enable product teams to build robust tracing and dashboards in Honeycomb
• Establish and scale end-to-end testing frameworks using Maestro
• Partner with Engineering Managers and Product stakeholders to review technical solutions and provide architectural guidance
• Lead technical efforts to improve application health and reliability
• Facilitate architectural decision-making with appropriate documentation

• Deep, production-tested expertise in React Native combined with strong knowledge of iOS and Android
• Understanding of React Native internal mechanics, performance profiling, native code bridging, platform-specific features and constraints
• Experience with app store release processes
• Hands-on experience using AI coding agents (Claude Code, Cursor, Copilot) in production work
• Proven track record of managing workflows, linting, caching, and build times for 50+ developers
• Experience managing complex build configurations, white-label scaling, and monorepo architectures
• High autonomy and accountability in making sound technical decisions
• Proven ability to influence technical direction across multiple engineering teams

• Global collaboration with experienced engineers and product partners
• Technology with real-world impact supporting 6+ million customers
• Technical/Product/Design leadership opportunities
• End-to-end development and delivery from problem definition to production
• Access to workspace at Warsaw Centre Point with modern facilities including showers, breakout zones, outdoor space, cycle parking, and refreshments