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Senior Mobile Product Engineer

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Senior Mobile Product Engineer in Others

  • HelloFresh
  • Full time
  • Email
  • Warsaw, Poland

Responsibilities

  • Own the integration and evolution of tracking and experimentation SDKs across Android native and React Native layers.
  • Solve mobile telemetry challenges including lifecycle events, background synchronization, offline event buffering, and custom native bridges.
  • Embed AI-driven workflows into platform tooling to improve automation and data quality.
  • Implement automated testing, error handling, release practices, and production monitoring for reliable systems.
  • Collaborate with product managers, software engineers, data engineers, and data scientists to evolve the platform.
  • Own mobile customer quality metrics such as retention, crash-free sessions, and conversion.
  • Mentor engineers and contribute to team-wide engineering standards and architecture decisions.
  • Operate and continuously improve the systems built in production.

Requirements

  • At least 5 years of extensive mobile engineering experience, ideally with strong Android and Kotlin expertise.
  • Hands-on daily experience with AI tooling or agents such as Claude Code, Cursor, or Copilot.
  • Ability to work flexibly across mobile and web codebases and ramp up on unfamiliar platforms.
  • Experience building and maintaining unit, integration, and end-to-end automated tests.
  • Deep knowledge of mobile release cycles, test automation, on-device performance, and platform UX conventions.
  • Demonstrated ownership in ambiguous, cross-functional environments involving engineering, product, and data teams.
  • Strong engineering judgment in code quality, system stability, and resilient infrastructure design.
  • Strong communication skills and the ability to explain technical decisions and trade-offs.
  • Product sense, customer and data orientation, and a bias toward shipping and completing work.
  • Preferred: familiarity with client-side signal flows, GTM, Snowplow, A/B testing, or Statsig.
  • Preferred: hands-on iOS development with Swift.
  • Preferred: web frontend experience with React, TypeScript, or browser telemetry.
  • Preferred: backend or data engineering context with Node.js, Python, REST/gRPC APIs, or data pipelines.

Benefits

  • International collaboration with experienced engineers and product partners across HelloTech.
  • Opportunity to build and operate systems supporting more than 6 million customers and complex supply chain operations.
  • Ability to influence technical, product, and design leadership, architecture, quality, and ways of working.
  • End-to-end ownership from problem definition through production delivery and long-term scalability.
  • Access to the Warsaw Centre Point workspace with showers, breakout zones, outdoor space, cycle parking, coffee, soft drinks, and fruit.
  • HelloFresh aims to review applications and respond within 5 business days.

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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