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Selected projects.

Product and engineering work across mobile, AI, and full-stack systems.

ChatSprout Mobile Application

JavaScript, React Native, NoSQL, Firebase

• Built a cross-platform mobile app for scenario-driven English conversation practice for immigrants, including a personal learning notebook and explore features.
• Designed scalable NoSQL Firestore models and implemented real-time synchronization with full CRUD operations and secure media storage.
• Integrated Google Places API and local push notifications to support dynamic, location-aware networking use cases.

Research Capstone: Reproducible Dataset of Obfuscated Android Malware

Python, Docker

• Built a fault-tolerant distributed data pipeline to process and enrich 12,000+ obfuscated Android malware samples.
• Designed containerized processing workflows using Docker for scalable batch execution and reproducible experimentation.
• Implemented concurrent ingestion and task orchestration to improve large-scale processing efficiency.
• Integrated LLM-based validation pipelines to analyze detection outputs and evaluate agent-based workflows.

Community Assistant

React, Node.js, PostgreSQL, Redis, Docker, AWS

• Built a containerized full-stack platform for community request and volunteer appointment management with JWT authentication and 18+ RESTful API endpoints.
• Implemented a Redis caching layer with 60s TTL and write-through invalidation to reduce redundant database queries and expose real-time cache metrics.
• Dockerized services with Docker Compose, deployed to AWS EC2, and automated testing and deployment with GitHub Actions CI/CD.