{"id":4170243,"url":"https://alion.io/job/ryz-labs-senior-mobile-engineer","title":"Senior Mobile Engineer","company":{"id":4626,"name":"Ryz Labs","domain":"ryzlabs.com","url":"https://alion.io/company/ryzlabs","size_band":"51-200","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":75,"open_postings":7,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":53,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Mobile","role_family":"Mobile","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":{"label":"ET","utc_offset_min":-5,"utc_offset_max":-5},"hiring_geo_confidence":"structured","locations":["Argentina"],"countries":["AR"],"hiring_countries":["AR"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"React Native","optional":false},{"name":"Rest API","optional":false},{"name":"State Management","optional":false},{"name":"TypeScript","optional":false},{"name":"21 CFR Part 11","optional":true},{"name":"Kotlin","optional":true},{"name":"React.js","optional":true},{"name":"Swift","optional":true}],"status":"live","first_seen_at":"2026-11-12T12:57:17Z","employer_posted_date":"2026-11-12","last_verified_at":"2026-11-12T14:32:47Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"At RyzLabs, we are looking for a Senior Mobile Engineer with strong experience in React Native to join our client's engineering team and contribute to the development and expansion of a mobile-first SaaS platform.\nIn this role, you will focus on building and delivering high-quality mobile features for iOS and Android applications. You will work closely with an established platform engineering team, integrating the mobile application with existing backend APIs and helping drive the product's mobile development roadmap.\nIn this role, you'll be working with teams across US Eastern Time business hours.\nResponsibilities\nDesign, develop, and maintain mobile application features using React Native.\nBuild and deliver high-quality solutions for both iOS and Android platforms.\nIntegrate mobile applications with existing REST APIs and backend services.\nCollaborate closely with the platform engineering team to ensure seamless integration between mobile and backend systems.\nManage application state and ensure a consistent user experience across platforms.\nOwn mobile build, testing, and release processes.\nParticipate in code reviews and contribute to engineering best practices.\nWrite and maintain automated tests to ensure application quality and reliability.\nTroubleshoot issues, monitor application performance, and contribute to continuous improvements.\nParticipate in Agile ceremonies, sprint planning, and sprint reviews.\nDemonstrate completed work during sprint showcases.\nMaintain appropriate technical documentation and follow established development standards.\nRequirements\n8+ years of overall software engineering experience.\n3+ years of hands-on experience developing production applications with React Native.\nStrong proficiency in TypeScript and JavaScript.\nExperience developing and releasing applications for both iOS and Android.\nFamiliarity with App Store and Google Play deployment processes.\nExperience integrating REST APIs into mobile applications.\nKnowledge of mobile state management solutions.\nProficiency with Git and CI/CD workflows.\nExperience with mobile testing and debugging.\nStrong problem-solving skills and ability to work independently.\nExcellent communication and collaboration skills.\nAbility to work with teams across US Eastern Time business hours.\nNice to Have\nExperience working with native mobile modules using Swift or Kotlin.\nKnowledge of offline data management and synchronization.\nExperience with mobile test automation.\nFamiliarity with mobile security practices and secure data storage.\nExperience with crash reporting, performance monitoring, and analytics tools.\nPrevious experience working with regulated software environments, particularly FDA 21 CFR Part 11, GxP, data integrity, change control, and audit trails.\nFamiliarity with software development lifecycle (SDLC) traceability and quality management systems.\nBackground in life sciences, healthcare technology, or quality management 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