Mobile App Developer Intern

Bigbear.ai•Tysons, VA

About The Position

BigBear.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.

Requirements

Currently enrolled in a Bachelor's or Master's degree program in: Computer Science, Software Engineering, Information Technology, or a related technical field
Must have completed at least 2 years of coursework (rising Junior or Senior preferred)
Minimum GPA of 3.5 preferred
Basic understanding of mobile application development concepts
Familiarity with at least one cross-platform mobile framework such as: Expo / React Native, Capacitor / Ionic, Flutter (a plus)
Proficiency in JavaScript and/or TypeScript
Familiarity with React or similar component-based UI frameworks
Basic understanding of HTML5, CSS3, and modern web technologies
Familiarity with RESTful APIs and how mobile apps connect to back-end services
Experience with Git version control
Understanding 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 written
Ability to work collaboratively in a team-oriented environment

Nice To Haves

Prior project or coursework experience building mobile apps using Expo (React Native) or Capacitor
Familiarity 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 apps
Familiarity with push notifications and cloud messaging APIs
Basic knowledge of continuous integration/continuous deployment (CI/CD) pipelines for mobile apps
Experience with app store deployment processes (Apple App Store, Google Play Store)
Prior internship, co-op, or personal project experience in mobile or web development
Familiarity with Agile practices (Scrum, Kanban)
Experience with open-source frameworks and contributing to open-source projects

Responsibilities

Assist 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 guidelines
Help ensure the performance, quality, and responsiveness of applications across both iOS and Android platforms
Collaborate with a cross-functional team including Software Engineers, UX/UI Designers, Quality Engineers, and Product Owners to deliver high-quality customer experiences
Assist in identifying and correcting bottlenecks and fixing bugs in mobile applications
Help maintain code quality, organization, and automation within the mobile codebase
Support integration of mobile applications with back-end services via RESTful APIs
Assist with implementing push notifications, offline storage, and cloud messaging features
Actively participate in all team Agile ceremonies (stand-ups, sprint planning, retrospectives), contributing to on-time and high-quality delivery
Engage with developers across various disciplines (Android, iOS, APIs, Web) to learn and share knowledge
Assist senior engineers in reviewing merge/pull requests and ensuring code quality standards
Identify technical obstacles early and work closely with the team to find creative solutions
Remain an active learner in all technologies related to cross-platform mobile development (React, React Native, TypeScript, JavaScript, Expo, Capacitor, etc.)