Daniel Liu
Full-Stack Mobile & Backend Developer
Education
Queens College, City University of New York (CUNY)
Aug 2023 — Dec 2026Bachelor of Arts, Computer Science
Experience
Summer Guild (Break Through Tech)Full-Stack Engineer Intern
Aug 2020 — Sep 2020- Built a full-stack social networking platform supporting user profiles, posts, and social connections using JavaScript, HTML, and CSS; developed in an Agile team environment with weekly deliverables.
Projects
Shipped bilingual iOS & Android app — 6 screens, 64-hexagram algorithm, freemium IAP, and 384 English/Chinese reading entries.
Python/Flask backend integrating 4 external REST APIs via ETL pipelines with LLM-assisted personalized content delivery.
Hybrid Playwright + Requests CI/CD framework; headless UI tests run 3× faster than Selenium with unified frontend/backend reporting.
Skills
Languages:
Python, SQL, JavaScript, TypeScript, Java, C++, HTML, CSS
Frameworks & Tools:
React Native, Flask, Expo, React, Playwright, Pytest, Docker, Git, GitHub, CI/CD, SQLite, EAS Build
AI & Concepts:
Claude (Anthropic), OpenAI API, LLM Integration, REST API Design, ETL Pipelines, Mobile Development, Agile, Test Automation