Mobile Staff Engineer, Platform/Infrastructure (all genders)
HelloFresh3 months ago
Warsaw, PolandStaff+
Responsibilities
- Shape the architectural direction and execution of the brownfield-to-greenfield React Native migration for a white-labeled, multi-brand application.
- Design and evolve the React Native monorepo and developer experience to support concurrent development by more than 50 mobile engineers across multiple squads.
- Maintain and scale shared npm packages for future cross-platform code sharing with web repositories.
- Maintain and optimize Bitrise CI/CD pipelines and help shape the migration to Expo.
- Build tracing and dashboards in Honeycomb and establish organization-wide end-to-end testing frameworks with Maestro.
- Partner with Engineering Managers and Product stakeholders on technical solutions, architecture, and engineering best practices.
- Improve application health and reliability through observability tooling, performance reporting, incident response practices, and operational guardrails.
- Facilitate architectural decision-making and select appropriate documentation approaches based on initiative scope and impact.
Requirements
- Deep, production-tested React Native expertise with strong knowledge of iOS and Android, including React Native internals, performance profiling, native bridging, platform-specific constraints, and app store release processes.
- Hands-on production or near-production experience using AI coding agents such as Claude Code, Cursor, and Copilot, including context engineering and guardrails.
- Proven experience optimizing workflows, linting, caching, and build times for large engineering organizations of 50 or more developers.
- Experience managing complex build configurations, white-label scaling, and monorepo architectures.
- Ability to make autonomous technical decisions in ambiguous situations and support teams during complex production incidents.
- Proven ability to influence technical direction across multiple engineering teams through expertise, communication, and collaboration.
Benefits
- International collaboration across HelloTech teams
- Opportunity to build and operate systems supporting more than 6 million customers
- Autonomous technical, product, and design leadership opportunities
- End-to-end ownership from problem definition through production
- Access to the Warsaw Centre Point workspace with showers, breakout zones, outdoor space, cycle parking, coffee, soft drinks, and fruit
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.