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Senior Mobile Product Engineer, Intelligent Platforms (all genders)

Warszawa, Masovian Voivodeship, Poland💼 Full-time🗓 2026-09-02 → 2026-09-26

Core

Own and evolve the mobile app tracking architecture and experimentation SDKs to power behavioral tracking and hypothesis validation across HelloFresh's brand portfolio.

Role type

Senior Mobile Product Engineer (Android/React Native)

Builds

Scalable tracking infrastructure, event capture systems, and experimentation frameworks for customer-facing apps.

Domain

Food delivery / Direct-to-consumer / Behavioral Data & Experimentation

Deliverable

production ML models | product features | dashboards & analysis

Required skills

Android (Kotlin), React Native, native mobile telemetry, automated testing, AI tooling (Claude, Cursor, Copilot), GenAI workflows, system stability, cross-platform development

Preferred skills

iOS (Swift), Web frontend (React, TypeScript), backend/data engineering (Node.js, Python, APIs), GTM/Snowplow, Statsig

Technologies

Kotlin, React Native, Snowplow, Statsig, Claude, Zed, Opencode

Responsibilities

Integrate and evolve tracking/experimentation SDKs across Android native and React Native layers; solve native mobile telemetry challenges (lifecycle, background sync, offline buffering); embed AI-driven workflows into platform tooling; implement robust automated testing and error handling; mentor engineers and define team-wide standards; own mobile quality metrics (retention, crash-free sessions, conversion).

Seniority

Senior, hands-on IC with product ownership

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