Software Engineer

Daniel Quach

Building elegant, performant software with a passion for clean architecture and seamless user experiences.

Crafting digital experiences

I'm a Computer Science graduate from San Jose State University with a focus on building scalable, user-centric applications. My experience spans mobile development, full-stack web engineering, and real-time systems.

I thrive on solving complex problems with clean, maintainable code and have a deep appreciation for thoughtful architecture and polished user experiences.

San Jose State University

B.S. Computer Science — GPA 3.45

Graduated Dec 2025

San Jose, CA

daniel.quach.cs@gmail.com

Technologies I work with

JavaScript
TypeScript
Python
Java
React
React Native
Next.js
Node.js
Express.js
TailwindCSS
HTML
CSS
Docker
Git
PostgreSQL
MongoDB
MySQL
Firebase
Nginx
Linux

Where I've worked

Be-Ti-Ful Salon

Freelance Web Developer

Mar 2025 – Present

Sunnyvale, CA

  • Built responsive salon website with HTML/CSS and an appointment booking flow for streamlined client scheduling.
  • Integrated Sanity.io headless CMS for dynamic service listings and pricing via JSON parsing and real-time fetching.
  • Designed intuitive UI components for a seamless mobile and desktop experience and easier content management.
  • Live site · GitHub

Stealth Mode Startup

Software Engineer Intern

Jun 2025 – Present

San Diego, CA

  • Built React Native mobile app with feature-sliced architecture and centralized API layer
  • Wrote 62+ unit tests using Jest and TypeScript for critical business logic
  • Created real-time data sync via Firebase Firestore listeners for live multi-client updates
  • Developed custom React hooks for state management and complex workflows
  • Integrated authentication with persistent session management and reusable component library

San Jose State University

Software Engineer Intern

Jun 2024 – Aug 2024 | Jun 2025 – Aug 2025

San Jose, CA

  • Optimized website for 300+ members — reduced JS bundle from 1.2 MB to 800 KB
  • Upgraded React architecture with context-based state management, deployed in containers
  • Migrated Axios to native fetch API, simplifying code and reducing dependencies
  • Built real-time monitoring tool for 2,000+ member server with self-service role assignment
  • Delivered real-time audio streaming and monitored performance with Prometheus metrics
  • SCE @ SJSU · PR #1655 · PR #1692

Featured work

RepoScanner

Sep 2025 – Apr 2026

Finalist in Cybersecurity at SCE Hacks 1.0. GitHub security scanner that detects exposed secrets and dependency risks across repositories. Deployed production infrastructure on AWS (ECR, ECS Fargate, ALB, RDS, and Secrets Manager).

Next.js TypeScript FastAPI AWS

Bullseye

2026

Privacy-first client-side LLM routing demo that recommends best-fit models using prompt heuristics and model metadata (quality, latency, and cost), with OpenRouter pricing sync and optional analytics.

React TypeScript Vite OpenRouter

CodeCoach

2026

VS Code extension that nudges developers with lightweight toasts when local git changes become too large, encouraging smaller, cleaner commits before scope creeps.

TypeScript VS Code API Git Developer Tooling

DontDumpTheYums

Mar 2025 – May 2025

AI-powered food waste reduction app integrating Google Gemini API for storage recommendations and eco-friendly disposal tips. Features advanced recipe search via Spoonacular API with dynamic filtering, expiry-based sorting, and backend caching.

Google Gemini API Spoonacular API RESTful API Backend Caching

Let's connect

I'm always open to discussing new opportunities, interesting projects, or ways to collaborate.

Get in Touch