Senior Mobile Engineer (React Native)

4 ноября 2026 г.

Офис

Senior

Warsaw, Poland

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Описание

Senior Mobile Engineer role in the Shopping AI & Search squad, building AI Assistant experiences on iOS and Android: conversational search, personalized recommendations, and in-app assistant features. The engineer owns features end to end, from RFC to rollout, working on a high-scale React Native app with on-device LLM integration and GraphQL APIs. The setup is autonomous and product-led, with opportunities to shape mobile architecture and lead technical initiatives.

Обязанности

Build and evolve a high-scale React Native app that serves AI-powered shopping experiences across our brands
Integrate LLM-powered features on the device, designing for latency, cost, non-determinism, and graceful degradation
Own features end to end, from RFC to rollout, using feature flags, analytics, and A/B tests
Work with GraphQL (Apollo Federation) APIs and own app reliability and performance
Help shape mobile architecture across the tribe and lead medium-to-large technical initiatives

Требования

Strong React and TypeScript experience, ideally with React Native. Experienced React web engineers are welcome to apply
Daily hands-on use of AI-assisted coding tools (such as Claude Code, Cursor, or Copilot) and interest in production GenAI features
A track record of shipping consumer apps at scale, with solid knowledge of state management, navigation, and performance
Ownership of code quality, including unit, integration, and E2E testing, code review, and pre-release checks
Strong collaboration skills across backend, AI, product, and design teams
LLM integration in production, native iOS (Swift) or Android (Kotlin) experience, multi-market feature flags, A/B testing tools, and search or recommendation systems

Условия

Full-time employment
Collaboration with HelloTech’s international engineering teams and a strong knowledge-sharing culture
Real impact: AI systems that serve millions of customers worldwide
Technical leadership and end-to-end ownership in an autonomous, product-led setup
Modern workspace at Mennica Legacy Tower (Prosta 20), with showers, breakout zones, outdoor space, bike parking, and refreshments

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Senior Mobile Engineer (React Native)

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Senior Mobile Engineer (React Native)

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Сводка по вакансииАнализ и саммари по описаниюНеоднозначная [data-chart=chart-_R_39f1a6av5ubsmabqaqlb_] { --color-score: var(--warning); } .dark [data-chart=chart-_R_39f1a6av5ubsmabqaqlb_] { --color-score: var(--warning); } 57

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