MS Computer Science
The George Washington University
Washington, DCMihnea Popescu
Software engineer building mobile and web products end to end. Currently an MS Computer Science student at The George Washington University.
Mobile EngineeringWeb PlatformsProduct DesignAI Interfaces
Selected work04
Things I have built
01AI / Health2025Mobile / Game202404Mobile2023
Portadent
AI dental scan platform that analyzes dental X-rays and provides automated diagnostic support, built on a modern full-stack architecture.
02Marketplace2024
03GasesteInstalator.ro
Romanian plumber marketplace connecting homeowners with certified plumbers. Reached 6,000 unique visitors in its first four months through SEO.
Battleships
Real-time multiplayer Battleships game for React Native, with local-first storage via MMKV and game state managed through Redux Toolkit.
Cooking Recipes
Android cooking app with recipe management, video integration and cloud sync — Firebase for auth and data, Imgur for images, YouTube for video.
Career05
Where I have worked
01Software Engineer InternMay — Aug 2026
Palantir Technologies
Contributed to full-stack development on the AIP Logic team, shipping end-to-end features across a Java backend and TypeScript frontend within a massive enterprise codebase powering AI capabilities for the world's largest organizations.
02React Native Developer2024 — 2025
Deepstash
Built and maintained the Deepstash and Paladin mobile apps. Worked with React Native, TypeScript, Redux and Reanimated to deliver fluid, high-performance user experiences.
03Software Engineer Intern2023
Adobe
Developed a Commerce SDK demo UI and contributed to the VIP client SDK. Worked within a TypeScript, React and GraphQL stack in a large-scale production environment.
04PHP Developer2023
Geopress
Built a restaurant management app and a medical recruitment platform using PHP, Laravel and JavaScript.
05Web & Mobile Developer2022 — 2023
Freelance
Delivered projects for diverse clients: a Ministry of Labor mobile app, a VC firm website and a SaaS platform.
Academia
Education
BEng Computers & Information Technology
University of Bucharest
Bucharest, RomaniaWriting04
Latest writing
01Apr 10, 202602Mar 20, 202603Feb 18, 2026
How Context Shapes ChatGPT's Reasoning in Ambiguous Situations
Paired prompts — with context and without — put ChatGPT 5.3 Instant's moral reasoning under a microscope. Where it adapts, where it defaults, and why.
Do Large Language Models tell different people different things?
Five personas ask Claude the same question about antidepressants. A side-by-side look at how the answers shift with age, expertise and emotional state.
Exploring AI Untrustworthiness Through Card Games
Șeptică, a Romanian card game, as a controlled test of DeepSeek-V3.2 — where it skips game states, misreads the deck, and deals itself the better card.