PERSONNEL FILE

SUBJECT DOSSIER

DETAILED PROFILE
David Xiao
FULL NAME
David Xiao
PROFESSION
CS Student
LOCATION
New York, NY
CONTACT
dxiao3043@gmail.com
CLEARANCE
AUTHORIZED
STATUS
ACTIVE
2
WORK EXPERIENCE
18
PROJECTS
BIOGRAPHICAL DATA

Computer Science student and software engineer with hands-on experience in full-stack development, system architecture modernization, and security-focused programming. Currently pursuing my BA in Computer Science at CUNY Hunter College and passionate about building scalable, secure applications. Working on ForgeArena - a gamified fitness platform blending avatar evolution with social gym competition. Learning TypeScript and Golang while contributing to security research projects.

EMPLOYMENT HISTORY

Software Engineer Intern

Unadat

Jun 2025 - Aug 2025

New York, NY

  • Re-architected legacy JS/PHP into modular components, cutting feature development time by 25% and enabling B2C/B2B scalability
  • Added 6+ new features to legacy chores system, increasing usability and adoption across B2C/B2B users
  • Converted core components into reusable modals, improving UI consistency and cutting frontend development effort by 20%
  • Refactored 10+ API endpoints with REST + automated tests, reducing response times by 15% and supporting faster rollouts
JavaScript PHP MySQL RESTful APIs

Barista

Blank Street Coffee

May 2024 - CURRENT

New York, NY

  • Handled $4K+ in daily POS transactions with accuracy while maintaining quality in a fast-paced environment
  • Trained new staff and streamlined workflows, improving team efficiency during peak hours by 15%
EDUCATION RECORDS

CUNY Hunter College

Bachelor of Arts in Computer Science

2022 - 2026

New York, NY

TECHNICAL COMPETENCIES
Programming Languages
Java
Python
C/C++
JavaScript
TypeScript
Go
PHP
SQL
MIPS Assembly
BASH
STATUS: OPERATIONAL
Web Technologies & Frameworks
React
Node.js
Express.js
HTML/CSS
jQuery
RESTful APIs
PERN Stack
STATUS: OPERATIONAL
Databases & Cloud
PostgreSQL
MySQL
GCP
STATUS: OPERATIONAL
Tools & Methodologies
Git
VS Code
UNIX
Agile Scrum
Automated Testing
STATUS: OPERATIONAL
PERSONAL INTERESTS
Security Research & Cryptography Gamified Fitness Applications Competitive Programming Minesweeper (Top 200 Player) Full-Stack Development Open Source Contributing