Full-Stack Software Engineer

Chanrattnak Mong

I build full-stack products end to end, from Postgres schemas and real-time backends to the React interfaces on top. Recent work spans a fintech payments app with live bank integrations and event-driven, high-concurrency systems.

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rattnak.com
AI
Chanrattnak Mong

What I Do

Full-Stack Development

Building end-to-end web and mobile applications with React, React Native, and modern backend frameworks like NestJS and Rails.

Product Engineering

Owning the full product lifecycle from user research to production, balancing technical decisions with user needs.

Real-Time Systems

Architecting WebSocket infrastructure and event-driven systems for high-concurrency, low-latency applications.

Selected Work

Development•Featured

IBTSS 2026 AI Learning Passport

Digital passport web app for an FHSU AI-in-education conference workshop with QR stamp collection.

Next.jsPostgreSQL
GitHub →Link →
Development•Featured

Syncia

Project coordination platform for FHSU student teams with Azure AD SSO and Microsoft Graph integration.

Next.jsPostgreSQLOAuth
GitHub →Link →
Development•Featured

QuickPay Mobile App

A React Native mobile application that simplifies personal finance management by unifying multiple bank accounts, enabling QR code payments, and providing interactive budget visualization through a non-custodial system powered by Plaid, Stripe, and a Node.js Express backend.

React NativeExpoTypeScript+2
GitHub →

Open Source Contributions

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ioflux-org•7 merged

studio-json-schema

7 pull requests submitted

Apr 2026View PRs →
Internet Archive•1 merged

OpenLibrary

1 pull request submitted

Apr 2026View PRs →
OWASP•3 merged

OWASP Nest

3 pull requests submitted

Mar 2026View PRs →

Recognition

Fellowship•Tech Fellow•Featured

Harvard WECode 2026 Tech Fellow

Selected as a Tech Fellow for WECode, the largest student-run Women in Tech conference in the U.S., supporting conference technology initiatives and digital engagement.

LeadershipCommunity
Oct 2025
Competition•1,450 points, 10-team regional field•Featured

NCAE CyberGames 2025 (West Region) — CTF Competitor

Represented Fort Hays State University in a regional CTF competition, helping the team score 1,450 points across Exploitation, Cryptography, OSINT, and Network Security challenges.

SecurityProblem Solving
Mar 2025
Fellowship•Top 1 Seed, Asia-Pacific (1 of 10 Global Ambassadors)•Featured

Huawei Seeds for the Future Global Ambassador 2024

Selected as one of 10 Global Ambassadors worldwide and Asia-Pacific's Top 1 Seed, representing the program at international innovation and digital talent events.

AILeadership
Mar 2024

Blog

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