{"id":3562006,"url":"https://alion.io/job/opentrain-ai-mobile-engineer-part-time-ai-coding-task-remote-united-states","title":"Mobile Engineer, Part-Time AI Coding Task - Remote (United States)","company":{"id":4457061,"name":"OpenTrain AI","domain":"opentrain.ai","url":"https://alion.io/company/opentrain-ai","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Mobile","role_family":"Mobile","seniority":null,"employment_type":"part_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":50,"max":100,"currency":"USD","period":"hour","gross":null,"usd_annual":200000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Dart","optional":false},{"name":"Flutter","optional":false},{"name":"JavaScript","optional":false},{"name":"Jetpack Compose","optional":false},{"name":"Kotlin","optional":false},{"name":"React Native","optional":false},{"name":"Swift","optional":false},{"name":"SwiftUI","optional":false},{"name":"TypeScript","optional":false},{"name":"UIKit","optional":false},{"name":"React.js","optional":true}],"status":"live","first_seen_at":"2026-10-30T00:00:00Z","employer_posted_date":null,"last_verified_at":"2026-10-30T00:00:00Z","board_verified":false,"closed_at":null,"days_open":2,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":2},"description":"$50-$100 per hour equivalent, paid per accepted task\n100% remote\nPart-time\nAbout 15 hours a week, you choose when\nUse your React Native and mobile engineering skills to create realistic coding tasks that train and evaluate AI models, on a part-time remote schedule.\nThe AI coding tools changing how software gets built are trained and tested by real engineers. The teams building them need mobile software engineers who can turn realistic engineering problems into demanding coding tasks, build reliable environments, write checks that distinguish correct solutions from incomplete ones, and provide the implementation a professional would give. Your judgment helps improve the coding tasks used to train and evaluate AI models. This is remote, part-time contractor work applying your mobile development expertise to AI coding tasks.\nWhat you'll do\nCreate realistic mobile coding tasks covering bug fixes, feature development, refactoring and performance improvement\nBuild reproducible environments with clear expected behavior for each task\nWrite repeatable validation checks that accept correct implementations and reject incomplete or hard-coded solutions\nProvide reference solutions across valid approaches for React Native, Flutter, iOS or Android tasks\nWhy this is worth your time\nEarn the equivalent of $50-$100 an hour building mobile coding tasks that help AI models improve\nTackle realistic mobile problems, from app lifecycle and state bugs to new features and speed\nChoose cross-platform, iOS or Android work to match your expertise\nFully remote and flexible, no fixed shifts, no commute\nWho this is for\nSignificant hands-on work in one or more mobile tracks: React Native, Flutter, iOS or Android\nUse at least one supported mobile stack: React Native with TypeScript or JavaScript; Flutter with Dart; Swift paired with SwiftUI or UIKit; or Kotlin paired with Jetpack Compose or the Android View system.\nSolid command of app architecture, handling state and async code, the app lifecycle, debugging and tuning for speed\nAble to build reproducible tasks with robust, deterministic checks\nFluent in English\nNo experience in AI training work needed. You bring your mobile engineering experience; the work focuses on creating, solving and validating mobile coding tasks.\nPay and details\n$50-$100 per hour equivalent; pay is per accepted task, as an independent contractor\nPart-time, flexible schedule; fully remote, United States\nMinimum weekly submission requirements apply.\nHow to apply\n1. Apply on OpenTrain (about two minutes): https://app.opentrain.ai/api/out/cmuyatznv000n06mjiyvd203f?ch=interlinkjobs&sub=interlinkjobs-cmuyatznv-us-2026-10\n2. Complete a short application on the hiring platform.\n3. If shortlisted, take a conversational AI interview with technical questions and a coding challenge, whenever it suits you.\nReady to put your React Native and mobile engineering skills to work on AI training? Apply today.\nAbout OpenTrain AI\nOpenTrain AI connects experienced professionals with paid, part-time AI training work: shaping and improving the AI systems that companies are building right now.\nPAID OPTIONS: NONE.","description_format":"text","description_chars":3136,"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":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Flexible schedule"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","LLM & Generative AI","Reinforcement Learning"],"lifecycle":[{"event":"open","at":"2026-10-31T04:55:38Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":29,"reasons":["seen:2","velocity","win:early"],"computed_at":"2026-11-01T06:10:25Z"},"pay":{"stated_usd_annual":200000,"is_top_pay":true},"html_url":"https://alion.io/job/opentrain-ai-mobile-engineer-part-time-ai-coding-task-remote-united-states","json_url":"https://alion.io/job/opentrain-ai-mobile-engineer-part-time-ai-coding-task-remote-united-states.json","meta":{"generated_at":"2026-11-01T16:08:50Z","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":24845,"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":4457061},"rest":"https://alion.io/mcp/rest/get_company?id=4457061"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fopentrain-ai-mobile-engineer-part-time-ai-coding-task-remote-united-states"},{"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%2Fopentrain-ai-mobile-engineer-part-time-ai-coding-task-remote-united-states"},{"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%2Fopentrain-ai-mobile-engineer-part-time-ai-coding-task-remote-united-states"},{"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/opentrain-ai-mobile-engineer-part-time-ai-coding-task-remote-united-states\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fopentrain-ai-mobile-engineer-part-time-ai-coding-task-remote-united-states"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3562006}},{"tool":"search_jobs","arguments":{"company":"opentrain.ai","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3562006},"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"}}