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EU remote

Senior Mobile Product Engineer, Intelligent Platforms (all genders)

HelloFreshWarszawa, Masovian Voivodeship, PolandPosted 26 Sept 2026

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About this role

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. HelloTech works in autonomous, cross-functional alliances, each owning a specific product or domain end to end. By working with our Warsaw office, you will help shape scalable, data-driven products used across our markets, working with a modern tech stack and international teams to continuously improve how people discover, order, and enjoy HelloFresh’s products, today and in the future.

About the Team: Behavioral Data & Experimentation is a cross-functional platform team with end-to-end ownership of digital tracking across all markets globally at HelloFresh: from tracking infrastructure all the way to curated data products and the hypothesis validation mechanisms (e.g., A/B testing). Our customers are the engineering and product teams across HelloFresh, so reliability, automation, and developer experience are central to what we build.

The squad brings together software engineers, data engineers, and data scientists to build the tracking, event, and statistical infrastructure that drives product decisions. Our work enables customer experience improvements and business growth. About the Role: What's in the Box As a Senior Mobile Engineer, you'll own and evolve the mobile app tracking architecture that powers behavioral tracking and experimentation across HelloFresh's brand portfolio.

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Your core platforms are Android (Kotlin) and React Native. You will also contribute to iOS and Web codebases as the work requires, alongside teammates with deep expertise on those platforms. AI is part of our daily work: you'll use Claude, Zed, and Opencode across design, development, and testing, and help the team adopt new practices as they emerge. Above all, we want people who make the team stronger. Even if you do not meet every requirement, we would still like to hear from you.

What you’ll do: The Recipe At HelloFresh we are moving away from a model where software developers just execute tickets toward one where product engineers are trusted to own customer problems. A Product Engineer takes a problem, forms a point of view, validates it with customers and data, and ships it using AI as a force multiplier. Own the integration and evolution of tracking and experimentation SDKs (Snowplow, Statsig, or equivalent) across Android native and React Native layers, ensuring consistent, reliable event capture for every brand and customer touchpoint.

Solve native mobile telemetry challenges, such as lifecycle events, background sync, offline event buffering, and custom native bridges. Embed AI-driven workflows into our platform tooling to increase automation and data quality. Drive engineering excellence by implementing robust automated testing, rigorous error handling, and high-quality release practices. Work closely with product managers, software and data engineers to continuously evolve our platform offering.

Mentor engineers and contribute to team-wide engineering standards. Contribute to] the app experience, owning the metrics that reflect quality for mobile customers (retention, crash-free sessions, conversion). Work beyond your specialization when the problem demands it. Your specialization is your anchor, not your boundary. Operate what you build. You instrument, monitor, and improve your systems in production. Shipping is the beginning of the learning cycle, not the end.

What you’ll bring: The Ingredients Hands-on experience working with AI tooling (e.g., Claude Code, Cursor, Copilot) beyond casual experimentation. You use AI agents every day. You have a practical sense of how the context you provide to AI tools shapes output quality, and how to set boundaries on AI-generated work. Extensive mobile engineering experience (5+ years) with strong native depth, ideally on Android (Kotlin).

If your depth is on another platform but you have a track record of ramping up quickly in unfamiliar stacks, that works for us. A flexible, cross-platform mindset, with a proven ability to work across mobile and web codebases. GenAI proficiency, including a proven ability to leverage AI tools and workflows to increase development speed, quality, and overall team output. A strong focus on engineering excellence, demonstrated through a commitment to high-quality codebases, proactive system stability, and resilient infrastructure design.

Experience building and maintaining automated tests at different levels, including unit, integration, and end-to-end testing. A track record of taking ownership in ambiguous, cross-functional environments and working across engineering, product, and data teams to ship solutions that measurably move the needle. Deep mobile engineering expertise, with experience across the app release cycle, test automation, on-device performance and platform UX conventions.

Strong communication skills, including the ability to explain technical decisions and trade-offs to different audiences. You take full ownership. You have a bias to ship. You finish the last twenty percent. You have product sense and are opinionated about what should be built and why, and you can back that opinion with data and user evidence. Nice to have Familiarity with how client-side signals flow into downstream systems such as GTM and Snowplow, and with A/B testing and feature-flagging frameworks such as Statsig.

Hands-on experience with iOS development (Swift). Experience with Web frontend development (React, TypeScript, browser telemetry). Basic backend or data engineering context (Node.js, Python, REST/gRPC APIs, or data pipelines). What we offer: The Toppings Global collaboration at scale: Collaborate with experienced engineers and product partners across HelloTech’s international teams, in a culture of active knowledge sharing.

Technology with real-world impact: Build and operate modern systems at global scale, supporting 6+ millions of customers and complex supply chain operations. Technical/Product/Design leadership: Drive best practices and influence architecture/design, quality, and ways of working in an autonomous, product-led setup. End-to-end development/delivery: Drive decisions from problem definition to production, improving systems and enabling long-term scalability.

Access to workspace at Warsaw Centre Point. The hub offers modern facilities including showers, breakout zones, outdoor space, cycle parking, and refreshments (coffee, soft drinks, and fruit). Are you the missing ingredient? If this sounds like a tasty opportunity, we’d be excited to hear from you. We aim to review your profile and respond within 5 business days.

Source listing: greenhouse_hellofresh

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