Mobile Staff Engineer, Platform/Infrastructure (all genders)

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 and premium meat & seafood, HelloTech creates the platforms that bring tailored food solutions to millions of customers every month. Our subscription-based, direct-to-consumer model relies on technology at every step, from customer-facing apps and personalization logic to pricing, forecasting, supply chain optimization, and initiatives that help reduce food waste. While our brands operate independently to serve distinct customer needs, they are united by shared platforms, data, and operational excellence built by HelloTech. About the role: What's in the Box As a Staff Mobile Engineer in the Consumer Foundations tribe, you will provide technical leadership for the evolution of our mobile platform. Working alongside engineering and product teams, you will help shape the core architecture, tooling, and developer experience of our mobile applications. This is a high-visibility, high-impact opportunity to contribute to the transition of our white-labeled, multi-brand application from a native brownfield React Native setup to a highly scalable Greenfield architecture. You will combine hands-on engineering with technical leadership, helping teams adopt scalable architectural patterns, shared tooling, and engineering best practices across the mobile ecosystem. By designing automated guardrails, shared infrastructure, and scalable developer workflows, you will enable a growing team of 50+ mobile engineers to deliver high-quality software safely, independently, and efficiently.Our stack: Core: React Native, iOS (Swift), Android (Kotlin) Architecture: Monorepos, White-labeling, shared npm packages CI/CD & Automation: Bitrise, Expo (Future) Observability & Testing: Honeycomb, Maestro E2E What you’ll do: The Recipe Shape Architectural Direction: Shape the architectural direction and contribute to the execution of our brownfield-to-greenfield React Native migration within a white-labeled, multi-brand application ecosystem. Scale Infrastructure for Growth: Design and evolve the long-term scalability and developer experience of the React Native monorepo, enabling seamless concurrent development for 50+ mobile engineers across multiple squads. Future-Proof Shared Code: Maintain and scale the monorepo to host shared npm packages designed for future cross-platform code sharing with web repositories. Champion CI/CD & Developer Experience: Maintain and optimize our current CI/CD pipelines in Bitrise while helping shape our future migration to Expo. Elevate Quality & Observability: Enable product teams to make data-informed decisions by building robust tracing and dashboards in Honeycomb. Help establish and scale end-to-end testing frameworks across the organization ...