Felix Deng

B.A. in Computer Science. Coursework: CS 61A, Math 54, Bioengineering 10.

GPA 3.97/4.00. Varsity swim; president of the Video Game Development Club. AP Scholar with Distinction.

Python, C++, C#, JavaScript, HTML/CSS

Unity, combat systems, multiplayer networking, UI, VFX, game-feel tuning

OpenAI API, Gemini API, prompt engineering (LLMs + diffusion models), sentiment tracking, experiment design and evaluation rubrics, survey data analysis in Python

Ionic React, TypeScript, Capacitor, Supabase (Postgres, Auth, Edge Functions), in-app notifications, App Store shipping, Express.js, MongoDB, Bootstrap, OpenAI API, Gemini API

Founded an AI-powered 501(c)(3) nonprofit addressing teen loneliness. Built and shipped the iOS app, integrating the OpenAI APIs with context-aware prompt construction, local-first storage synced to Supabase Postgres behind auth and row-level security, and sentiment tracking. Grew it to 2,000+ users across 4 countries, a peak of 500+ daily users, 60,000+ AI conversation sessions, and 10,000+ affirmations delivered. Recruited and led a 20-person volunteer team and expanded school and youth-organization partnerships.

Research intern in the Software Engineering and Mobile Cloud Computing Lab under Prof. Yu Sun. Built and evaluated components of Companion Connect against the OpenAI APIs, developed data-analysis tools, helped design a 15-participant user study, and analyzed the participant outcomes. Co-authored and presented the resulting peer-reviewed paper at AI 2025, the 11th International Conference on Artificial Intelligence and Applications.

Delivered 3 web projects in JavaScript, HTML, and CSS, including a game raising mental-health awareness and a published website on environmental sustainability resources. Applied responsive design, debugging, and iterative testing to turn requirements into working experiences. Earned the program's HTML and JavaScript certification.

AI companion app for teen loneliness — live on the iOS App Store; 2nd place, IgniteCS Programming Expo.

Two peer-reviewed papers on visual prompt engineering and narrative efficiency; follow-up experiments found 39–52% fewer iterations to reach matched story-quality targets.

AI-guided learning game — 1st place at Microsoft's national game development competition; published on the App Store.

Top-down PvP arena fighter — Cursed Energy as a combo resource, a health-draining Overdrive state, and arena-rewriting Domain Expansions.

Multiplayer Unity/C# game, published on the App Store — 800+ downloads combined with Hunt the Wumpus.

Full-stack web app converting plain English into corporate speak using LLMs — Express.js, MongoDB, Gemini API, Bootstrap.

Independent research; peer-reviewed.

Independent research; peer-reviewed.

Co-authored with Austin Amakye Ansah of Cal Poly Pomona's Software Engineering and Mobile Cloud Computing Lab; presented at the 11th International Conference on Artificial Intelligence and Applications (AI 2025). CS & IT Conference Proceedings 15(19).

Grew membership 80% (35 → 63), hosted 10+ workshops on Unity and game design, partnered with 3 clubs for a district-wide competition, and coordinated with Microsoft to provide mentors — coached two club teams to wins in Microsoft's Hunt the Wumpus competition.

Produced an 80-person, 5-speaker youth TEDx event on mental health — secured the venue, recruited and coached speakers — and gave the talk "Transforming Loneliness to Growth."

Placed 1st of 160+ contestants.

Led development and demo of Companion Connect; judged on technical quality, functionality, and impact.

Promoted to Gold, the second-highest division, in the USA Computing Olympiad.

Qualified for the American Invitational Mathematics Examination.

Qualified for the state-level DECA competition.

BSA Troop 520, Redmond. Led 80 scouts across 300 hours of service.