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Mobile App Developer Intern

BigbearaiMcLean, VAMay 11th, 2026
OverviewBigBear.ai is seeking a Mobile App Developer Intern to support the development and maintenance of cross-platform mobile applications that run on both iOS and Android. Unlike a platform-specific role, this internship focuses on building mobile experiences using cross-platform frameworks such as React Native (Expo), Capacitor (Ionic), or similar technologies. You will work alongside experienced engineers and developers across different layers of the infrastructure, gaining real-world experience in modern mobile development practices.What You Will DoAssist in designing and building cross-platform mobile applications using frameworks such as Expo (React Native) or Capacitor (Ionic)Support the development of mobile client code solutions that deliver on Product Strategy and adhere to established engineering best practices and design guidelinesHelp ensure the performance, quality, and responsiveness of applications across both iOS and Android platformsCollaborate with a cross-functional team including Software Engineers, UX/UI Designers, Quality Engineers, and Product Owners to deliver high-quality customer experiencesAssist in identifying and correcting bottlenecks and fixing bugs in mobile applicationsHelp maintain code quality, organization, and automation within the mobile codebaseSupport integration of mobile applications with back-end services via RESTful APIsAssist with implementing push notifications, offline storage, and cloud messaging featuresActively participate in all team Agile ceremonies (stand-ups, sprint planning, retrospectives), contributing to on-time and high-quality deliveryEngage with developers across various disciplines (Android, iOS, APIs, Web) to learn and share knowledgeAssist senior engineers in reviewing merge/pull requests and ensuring code quality standardsIdentify technical obstacles early and work closely with the team to find creative solutionsRemain an active learner in all technologies related to cross-platform mobile development (React, React Native, TypeScript, JavaScript, Expo, Capacitor, etc.)What You Need To HaveCurrently enrolled in a Bachelor's or Master's degree program in: Computer Science, Software Engineering, Information Technology, or a related technical fieldMust have completed at least 2 years of coursework (rising Junior or Senior preferred)Minimum GPA of 3.5 preferredBasic understanding of mobile application development conceptsFamiliarity with at least one cross-platform mobile framework such as:Expo / React NativeCapacitor / IonicFlutter (a plus)Proficiency in JavaScript and/or TypeScriptFamiliarity with React or similar component-based UI frameworksBasic understanding of HTML5, CSS3, and modern web technologiesFamiliarity with RESTful APIs and how mobile apps connect to back-end servicesExperience with Git version controlUnderstanding of basic UI/UX standards and mobile design principles (both Apple's Human Interface Guidelines and Google's Material Design)Strong communication skills, both spoken and writtenAbility to work collaboratively in a team-oriented environmentWhat We'd Like You To HavePrior project or coursework experience building mobile apps using Expo (React Native) or CapacitorFamiliarity with state management libraries (e.g., Redux, Zustand, Context API)Exposure to native mobile development concepts in Swift (iOS) or Kotlin (Android)Experience with offline storage, threading, and performance tuning in mobile appsFamiliarity with push notifications and cloud messaging APIsBasic knowledge of continuous integration/continuous deployment (CI/CD) pipelines for mobile appsExperience with app store deployment processes (Apple App Store, Google Play Store)Prior internship, co-op, or personal project experience in mobile or web developmentFamiliarity with Agile practices (Scrum, Kanban)Experience with open-source frameworks and contributing to open-source projectsAbout BigBear.aiBigBear.ai is a leading provider of AI-powered decision intelligence solutions for national security, supply chain management, and digital identity. Customers and partners rely on Bigbear.ai’s predictive analytics capabilities in highly complex, distributed, mission-based operating environments. Headquartered in McLean, Virginia, BigBear.ai is a public company traded on the NYSE under the symbol BBAI. For more information, visit https://bigbear.ai/ and follow BigBear.ai on LinkedIn: @BigBear.ai and X: @BigBearai.BigBear.ai is an Equal opportunity employer all protected groups, including protected veterans and individuals with disabilities.