{"id":3533703,"url":"https://alion.io/job/hellofresh-senior-mobile-engineer-react-native-shopping-ai-search","title":"Senior Mobile Engineer (React Native), Shopping AI & Search","company":{"id":1061,"name":"HelloFresh","domain":"hellofresh.com","url":"https://alion.io/company/hellofresh","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":88,"open_postings":69,"ghost_share":0,"stale_share":0.449,"repost_share":0.043,"time_to_fill_p50_days":42,"computed_at":"2026-11-01T06:10:25Z"}},"role":"Mobile","role_family":"Mobile","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Warsaw, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":53000,"max_usd":98000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":30},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"A/B Testing","optional":false},{"name":"Apollo","optional":false},{"name":"Claude Code","optional":false},{"name":"Copilot","optional":false},{"name":"Cursor","optional":false},{"name":"GraphQL","optional":false},{"name":"LLM","optional":false},{"name":"React Native","optional":false},{"name":"State Management","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true},{"name":"Kotlin","optional":true},{"name":"React.js","optional":true},{"name":"Recommender Systems","optional":true},{"name":"Swift","optional":true}],"status":"live","first_seen_at":"2026-10-30T13:43:54Z","employer_posted_date":"2026-10-30","last_verified_at":"2026-11-01T22:38:47Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"HelloFresh’s mission is to change the way people eat, forever. We’re the world’s leading mealkit provider, and our eight brands serve millions of households with meal kits, ready-to-eat meals, meat and seafood, and pet food.\nAbout the Role: What’s in the Box\nJoin the Shopping AI & Search squad in our Warsaw office, part of the Shopping Journey tribe. You’ll build AI Assistant experiences on iOS and Android, including conversational search, personalized recommendations, and in-app assistant features, to help customers find and order what they love.\nWhat You’ll Do: The Recipe\nBuild and evolve a high-scale React Native app that serves AI-powered shopping experiences across our brands.\nIntegrate LLM-powered features on the device, designing for latency, cost, non-determinism, and graceful degradation.\nOwn features end to end, from RFC to rollout, using feature flags, analytics, and A/B tests.\nWork with GraphQL (Apollo Federation) APIs and own app reliability and performance.\nHelp shape mobile architecture across the tribe and lead medium-to-large technical initiatives.\nWhat You’ll Bring: The Ingredients\nStrong React and TypeScript experience, ideally with React Native. Experienced React web engineers are welcome to apply.\nDaily hands-on use of AI-assisted coding tools (such as Claude Code, Cursor, or Copilot) and interest in production GenAI features.\nA track record of shipping consumer apps at scale, with solid knowledge of state management, navigation, and performance.\nOwnership of code quality, including unit, integration, and E2E testing, code review, and pre-release checks.\nStrong collaboration skills across backend, AI, product, and design teams.\nNice to Have\nLLM integration in production, native iOS (Swift) or Android (Kotlin) experience, multi-market feature flags, A/B testing tools, and search or recommendation systems.\nWhat We Offer: The Toppings\nCollaboration with HelloTech’s international engineering teams and a strong knowledge-sharing culture.\nReal impact: AI systems that serve millions of customers worldwide.\nTechnical leadership and end-to-end ownership in an autonomous, product-led setup.\nModern workspace at Mennica Legacy Tower (Prosta 20), with showers, breakout zones, outdoor space, bike parking, and refreshments.\nAre you the missing ingredient? If you don’t tick every box but think you’d thrive here, we’d still like to hear from you. We aim to review your profile and respond within 5 business days.","description_format":"text","description_chars":2458,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Online Groceries","Subscription Commerce","Prepared Foods"],"lifecycle":[{"event":"open","at":"2026-10-30T16:53:23Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":1,"expected_fill_days":42,"reasons":["conf:2","velocity","win:early","comp:brand"],"computed_at":"2026-11-01T06:10:25Z"},"pay":null,"html_url":"https://alion.io/job/hellofresh-senior-mobile-engineer-react-native-shopping-ai-search","json_url":"https://alion.io/job/hellofresh-senior-mobile-engineer-react-native-shopping-ai-search.json","meta":{"generated_at":"2026-11-02T00:52:21Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":1479,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-03T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1061},"rest":"https://alion.io/mcp/rest/get_company?id=1061"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fhellofresh-senior-mobile-engineer-react-native-shopping-ai-search"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fhellofresh-senior-mobile-engineer-react-native-shopping-ai-search"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fhellofresh-senior-mobile-engineer-react-native-shopping-ai-search"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/hellofresh-senior-mobile-engineer-react-native-shopping-ai-search\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fhellofresh-senior-mobile-engineer-react-native-shopping-ai-search"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3533703}},{"tool":"search_jobs","arguments":{"company":"hellofresh.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3533703},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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