{"id":3367352,"url":"https://alion.io/job/oowlish-senior-react-native-engineer-expo-typescript","title":"Senior React Native Engineer (Expo & TypeScript)","company":{"id":7291,"name":"Oowlish","domain":"oowlish.com","url":"https://alion.io/company/oowlish-technology","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":null},"role":"Mobile","role_family":"Mobile","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Brasília, Brazil","Buenos Aires, Argentina","Bogotá, Colombia","Rio de Janeiro, Brazil","Recife, Brazil","Mexico City, Mexico"],"countries":["BR","AR","CO","MX"],"hiring_countries":["BR"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Expo","optional":false},{"name":"React Native","optional":false},{"name":"Rest API","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true},{"name":"LLM","optional":true},{"name":"React.js","optional":true},{"name":"Vite","optional":true}],"status":"live","first_seen_at":"2026-10-27T21:07:28Z","employer_posted_date":"2026-10-27","last_verified_at":"2026-11-01T11:55:04Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"About the Role\nWe are looking for an experienced Senior React Native Engineer to help build, enhance, and refine a production mobile application using React Native, Expo, TypeScript, and modern React.\nThis is a highly hands-on frontend mobile engineering role focused on delivering polished, intuitive, and high-performance experiences across iOS and Android.\nYou'll join a small, fast-moving engineering team, collaborating directly with technical stakeholders and backend engineers to turn high-fidelity designs into production-ready mobile interfaces.\nThe ideal candidate has strong React Native expertise, exceptional attention to UI details, and the ability to quickly understand an existing codebase and deliver meaningful improvements from the first week.\nThis opportunity is particularly well-suited for engineers who enjoy ownership, rapid iteration, clean code, and building high-quality mobile experiences.\nResponsibilities:\nDevelop, enhance, and maintain production mobile applications using React Native, Expo, and TypeScript.\nBuild new mobile screens and improve existing interfaces across iOS and Android.\nTranslate high-fidelity designs into pixel-accurate, responsive, and visually polished mobile experiences.\nDevelop interactive mobile features involving conversational interfaces, content presentation, and user interactions.\nEnsure smooth animations, transitions, navigation, and native-feeling interactions.\nBuild reusable, maintainable React Native components using modern React patterns and hooks.\nIntegrate frontend features with backend APIs and collaborate with backend engineers on API contracts.\nTroubleshoot and resolve UI issues, performance bottlenecks, and platform-specific inconsistencies.\nWrite clean, well-tested, maintainable, and documented code.\nDeliver small, reviewable commits and participate in code reviews.\nOccasionally contribute to React-based web interfaces.\nCollaborate with engineering stakeholders to clarify requirements, prioritize work, and deliver improvements.\nContribute to continuous improvements in mobile UI quality, performance, and maintainability.\nRequirements:\n3+ years of professional experience building and shipping production React Native applications.\nStrong hands-on experience with React Native.\nStrong proficiency in TypeScript and modern React development.\nExperience working with Expo or comparable React Native development workflows.\nStrong understanding of React hooks, component architecture, and modern React patterns.\nProven ability to implement high-fidelity UI designs.\nStrong attention to mobile UI/UX details, including spacing, typography, animations, and native interactions.\nExperience integrating mobile applications with backend APIs.\nExperience maintaining and enhancing existing production applications.\nStrong understanding of testing and code quality practices.\nMust Have:\n3+ years of production React Native development experience.\nStrong TypeScript proficiency.\nStrong experience with modern React, including hooks and component-based architecture.\nPractical experience with Expo, or strong React Native experience with the ability to work effectively in an Expo codebase.\nExperience delivering production mobile applications for iOS and Android.\nStrong ability to translate high-fidelity designs into polished mobile interfaces.\nExcellent attention to:\nUI consistency and visual accuracy.\nTypography and spacing.\nAnimations and transitions.\nResponsive mobile layouts.\nNative-feeling user interactions.\nExperience integrating frontend applications with REST APIs or similar backend services.\nExperience writing clean, maintainable, and testable code.\nAbility to quickly understand and contribute to existing codebases.\nExperience working with code reviews and collaborative development workflows.\nAbility to deliver independently in a fast-paced engineering environment.\nClear communication and reliable availability during agreed working hours.\nNice to Have:\nExperience with React 19.\nAdvanced experience with Expo and its ecosystem.\nExperience developing map-based or location-aware mobile interfaces.\nExperience with Mapbox or react-native-maps.\nExperience building conversational interfaces, chat applications, or real-time messaging experiences.\nExperience developing streaming AI or LLM-powered interfaces.\nExperience with PostHog or similar product analytics platforms.\nExperience implementing feature flags and analytics instrumentation.\nExperience with React + Vite for web applications.\nExperience working with AI coding agents to improve development productivity and code quality.\nPrevious experience in startup environments or small engineering teams.\nExperience contributing to fast-moving products with frequent production releases.","description_format":"text","description_chars":4741,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"Brazil","iso":"BR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Exhibitions","Recruiting & Staffing","Custom Software Development","IT Staffing & Staff Augmentation"],"lifecycle":[{"event":"open","at":"2026-10-27T23:38:20Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":4,"expected_fill_days":59,"reasons":["conf:2","velocity","win:early"],"computed_at":"2026-11-01T06:10:25Z"},"pay":null,"html_url":"https://alion.io/job/oowlish-senior-react-native-engineer-expo-typescript","json_url":"https://alion.io/job/oowlish-senior-react-native-engineer-expo-typescript.json","meta":{"generated_at":"2026-11-01T15:45:48Z","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":24111,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-02T00:00:00Z"}},"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":7291},"rest":"https://alion.io/mcp/rest/get_company?id=7291"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Foowlish-senior-react-native-engineer-expo-typescript"},{"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%2Foowlish-senior-react-native-engineer-expo-typescript"},{"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%2Foowlish-senior-react-native-engineer-expo-typescript"},{"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/oowlish-senior-react-native-engineer-expo-typescript\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Foowlish-senior-react-native-engineer-expo-typescript"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3367352}},{"tool":"search_jobs","arguments":{"company":"oowlish.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3367352},"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. Docs: https://alion.io/developers"}}