{"id":3487575,"url":"https://alion.io/job/sophinea-mobile-app-developer-intern","title":"Mobile App Developer Intern","company":{"id":4053525,"name":"Sophinea","domain":"sophinea.io","url":"https://alion.io/company/sophinea","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":null},"role":"Mobile","role_family":"Mobile","seniority":"intern","employment_type":"internship","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Manassas, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"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":"Git","optional":false},{"name":"GitHub","optional":false},{"name":"JavaScript","optional":false},{"name":"Kotlin","optional":false},{"name":"React Native","optional":false},{"name":"Rest API","optional":false},{"name":"Swift","optional":false},{"name":"TypeScript","optional":false},{"name":"Claude","optional":true},{"name":"Firebase","optional":true},{"name":"LLM","optional":true},{"name":"OpenAI","optional":true},{"name":"React.js","optional":true},{"name":"Supabase","optional":true}],"status":"live","first_seen_at":"2026-10-29T22:14:01Z","employer_posted_date":"2026-10-29","last_verified_at":"2026-11-04T19:32:24Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"Sophinea is an AI, data, and analytics firm in Manassas, Virginia, serving federal and commercial clients since 2018. We build AI products including Halo, our secure AI and analytics platform.\nAs a Mobile App Developer Intern, you'll help build mobile apps that bring AI and data capabilities to users on the go. You'll write production code, ship features, and learn how a professional software team plans, reviews, and releases work.\nWhat you'll do:\nBuild and test features for iOS and Android apps using [React Native / Flutter / Swift and Kotlin]\nTurn UI/UX designs into responsive, accessible screens\nConnect apps to backend services and APIs, including AI and analytics services\nWrite unit and integration tests, and help fix bugs\nTake part in code reviews, standups, and sprint planning using GitHub and Linear\nHelp prepare builds for testing and app store release\nA typical day might include a team standup, building a feature from a ticket, opening a pull request for review, and pairing with a senior engineer on a tricky bug.\nThis is a paid, part-time, semester-long internship (about 10-15 hours per week), hybrid in Manassas, VA.\nRequirements\nCurrently enrolled in a bachelor's or master's program in computer science, software engineering, or a related field\nCoursework or project experience building at least one mobile or web app\nProgramming experience in JavaScript/TypeScript, Dart, Swift, or Kotlin\nFamiliarity with Git and working in a shared codebase\nUnderstanding of REST APIs and how apps fetch and display data\nAble to work on-site in Manassas on hybrid days\nNice to have:\nAn app published to the App Store or Google Play, or a public GitHub portfolio\nExperience with backend services such as Supabase or Firebase\nExperience calling LLM APIs (Claude, OpenAI) from an app\nInterest in mobile security and privacy practices\nBenefits\nPaid internship\nFlexible part-time schedule built around your class load\nHybrid work: on-site collaboration in Manassas plus remote days\nShipped code in real products, with mentorship from senior engineers\nHands-on experience with modern mobile, cloud, and AI tooling\nExposure to how AI products are built for federal and commercial 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