{"id":2860867,"url":"https://alion.io/job/stonex-group-senior-mobile-developer-react-native","title":"Senior Mobile Developer (React Native)","company":{"id":2646,"name":"StoneX Group","domain":"stonex.com","url":"https://alion.io/company/stonex","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":{"grade":"A","score":100,"open_postings":5,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":13,"computed_at":"2026-10-23T05:54:15Z"}},"role":"Mobile","role_family":"Mobile","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bogotá, Colombia"],"countries":["CO"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Claude Code","optional":false},{"name":"Copilot","optional":false},{"name":"JavaScript","optional":false},{"name":"OpenAI Codex","optional":false},{"name":"React Native","optional":false},{"name":"State Management","optional":false},{"name":"TypeScript","optional":false},{"name":"React.js","optional":true}],"status":"live","first_seen_at":"2026-10-19T16:13:09Z","employer_posted_date":"2026-10-19","last_verified_at":"2026-10-24T00:57:52Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Overview\nPermanent, full-time, hybrid.\nPlease submit your CV in English\nConnecting clients to markets - and talent to opportunity\nWith 5,400+ employees and over 80,000 institutional, commercial, and payments clients, we operate from more than 80 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the global markets - focusing on innovation, human connection, and providing world-class products and services to all types of investors.\nWhether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, StoneX Group is made up of four business segments that offer endless potential for progression and growth.\nBusiness segment: Engage in a deep variety of business-critical activities that keep our company running efficiently. From strategic marketing and financial management to human resources and operational oversight, you’ll have the opportunity to optimize processes and implement game-changing policies\nResponsibilities\nPosition Purpose: We are looking for a Senior Mobile Developer with experience in building high-performing, scalable, enterprise-grade applications. The role will focus on developing complex mobile applications build on React Native running across IOS and Android devices.\nYou will be part of a talented engineer team that works on low-latency mission-critical applications. Roles and responsibilities include application architecture and development across full software development lifecycle from concept and design to testing, collaborating with like-minded engineers.\nPrimary Duties will include:\nPrimary focus on mobile development\nContribute to all phases of the development lifecycle working within Agile methodology\nPrepare and produce releases of software components\nSupport continuous improvement by investigating technologies and presenting for architectural review\nMentor and supports engineers with technical direction and best practices\nQualifications\nTo land this role you will need:\nMinimum 5 years’ experience in mobile app development\nExperience in development of Android/iOS applications and have deployed on Google Play/App Store\nStrong knowledge with architecture and implementation of Android/iOS applications, experience with full mobile development life cycle\nThorough understanding of React Native and its core principles\nStrong knowledge with JavaScript & TypeScript, virtual DOM, asynchronous programming\nUnderstanding & experience in ES6, ES10, JSX\nExperience working with popular libraries for networking, asynchronous, image loading, etc.\nIn-depth knowledge with React Native framework, patterns for code reuse, state management libraries, routing architecture\nExperience optimizing app performance, manage memory, and reduce load times\nExperience and knowledge in using AI tools in SDLC (Claude Code, Github Copilot, Codex)\nWorking environment:\nFull time (Monday to Friday), with an indefinite contract.\nHybrid 4 days in office per week (Office location: Avenida Carrera 9A - Avenida Carrera 9A # 115-06/30 Edificio Torre Tierrafirme Bogotá, 110111 Colombia)","description_format":"text","description_chars":3162,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"Colombia","iso":"CO","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Currency Exchange & FX Payments","Online Brokerage & Trading Platforms"],"lifecycle":[{"event":"open","at":"2026-10-19T16:13:09Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":3,"expected_fill_days":13,"reasons":["conf:3","velocity","win:early"],"computed_at":"2026-10-23T05:54:15Z"},"pay":null,"html_url":"https://alion.io/job/stonex-group-senior-mobile-developer-react-native","json_url":"https://alion.io/job/stonex-group-senior-mobile-developer-react-native.json","meta":{"generated_at":"2026-10-24T03:19:08Z","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":5196,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-25T00:00:00Z"}},"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":2646},"rest":"https://alion.io/mcp/rest/get_company?id=2646"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fstonex-group-senior-mobile-developer-react-native"},{"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%2Fstonex-group-senior-mobile-developer-react-native"},{"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%2Fstonex-group-senior-mobile-developer-react-native"},{"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/stonex-group-senior-mobile-developer-react-native\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fstonex-group-senior-mobile-developer-react-native"}]}