Mobile App Developer Intern

Sophinea Corporation

Manassas, VAFresher1h agovia LinkedIn

This job at a glance

Who can apply
New grads and up to 1 year · Bachelor's degree
Must know
KotlinSwiftReactREST APIsAgileJavaScript
Nice to have
Git
Work
Hybrid in Manassas · internship
Pay
Not stated by the employer.
Skill demand
REST APIs45%React23%Kotlin3%Swift1%of 150 similar entry-level jobs posted in the US this week
Listed
Oct 28, 2026 · still open

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About the Role

Sophinea Corporation is seeking a Mobile App Developer Intern to join their AI, data, and analytics firm. This role involves building mobile applications that deliver AI and data capabilities to users. Interns will write production code, ship features, and learn about professional software team processes.

Key Responsibilities

  • Build and test features for iOS and Android apps using React Native / Flutter / Swift and Kotlin.
  • Transform UI/UX designs into responsive, accessible screens.
  • Integrate apps with backend services and APIs, including AI and analytics services.
  • Write unit and integration tests and assist in bug fixing.
  • Participate in code reviews, standups, and sprint planning using GitHub and Linear.
  • Assist in preparing builds for testing and app store release.

Requirements & Tech Stack

  • Programming experience in JavaScript/TypeScript, Dart, Swift, or Kotlin.
  • Familiarity with Git and working in a shared codebase.
  • Understanding of REST APIs and data fetching/display.
  • Experience building at least one mobile or web app through coursework or projects.

Qualifications

  • Currently enrolled in a bachelor's or master's program in computer science, software engineering, or a related field.
  • Ability to work on-site in Manassas on hybrid days.

Nice to have:

  • An app published to the App Store or Google Play, or a public GitHub portfolio.
  • Experience with backend services like Supabase or Firebase.
  • Experience calling LLM APIs (Claude, OpenAI) from an app.
  • Interest in mobile security and privacy practices.

Internship Details

  • Paid, part-time, semester-long internship (approximately 10-15 hours per week).
  • Hybrid work model: on-site in Manassas, VA, with remote days.
  • Flexible schedule built around class load.
  • Mentorship from senior engineers.
  • Hands-on experience with modern mobile, cloud, and AI tooling.
  • Exposure to AI product development for federal and commercial clients.

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