Available for opportunities

OSCAR CHINBAT

Full-Stack & AI Software Engineer

I’m a software developer who builds end-to-end solutions across web, mobile, and AI/ML. I focus on applying machine learning and retrieval-augmented generation (RAG) to solve real-world problems, with a strong interest in developing secure, reliable, and scalable software.

What I work with

Skills

Frontend

React
Next.js
TypeScript
Tailwind

Backend

Node.js
Python
Spring Boot
NestJS

AI / ML

LLMs
NLP
RAG
PyTorch

DevOps & Tools

AWS
Google Cloud
Vercel
Docker

My Resume and Cover Letter

CV & Resume

Resume

A concise, one-page overview of my experience and skills.

View PDF

Cover Letter

A concise, one-page overview of my experience and skills.

View PDF

Selected Work

Projects

Invest AI

Invest AI

iOSAndroid

AI-powered trading assistant with real-time signals, watchlists, and multi-exchange support.

React NativeTypeScriptiOS
LawByLoya — Legal Tech

LawByLoya — Legal Tech

AI-powered platform for exploring Mongolian legislation with bilingual access, annotations, and intelligent legal assistance.

Next.jsReactFast API
EduTrack — Education Platform

EduTrack — Education Platform

Unified school management platform connecting administrators, teachers, parents, and students with real-time data sync.

Next.jsReactTypeScript

Other Projects

Gobicraft — 3D Sandbox

Three.jsReactTypeScriptGemini AIWebGL

Bizzzy — Gig Economy

React NativeNode.jsFirebaseTypeScript

VR Sorting Algorithms

UnityC#VR

Andjintrans — Logistics

Next.jsTailwindFramer MotionThree.js

My Journey

EXPERIENCE

Scroll to explore

SEP 2025 - DEC 2025
Gobicraft logo

Gobicraft

AI Software Engineer Co-Op

Developed an interactive 3D visualization system using Three.js, generating and rendering 3D matrices and shapes with dynamic real-time updates.

Integrated Generative AI to automatically modify and extend the 3D codebase, allowing AI-driven creation and transformation of shapes.

Three.jsGenerative AITypeScriptReact
APR 2025 - JUN 2025
Central Washington University logo

Central Washington University

AI/ML Researcher

Implemented KNN to predict housing prices based on location and property features, improving model precision by 12%.

Applied KNN to classify handwritten digits from image data, achieving 95% prediction accuracy.

PyTorchHugging FaceNLPLLMs
JUN 2024 - SEP 2024
Pypup.com logo

Pypup.com

Software Engineer Intern

Implemented a flash-card feature utilizing Angular and Tailwind CSS for the front end and NestJS for the back end, resulting in a 30% boost in website traffic and approximately 1500 daily users.

Developed comprehensive technical documentation for both frontend and backend, leading to a 20% reduction in troubleshooting time and 15% increase in onboarding efficiency.

TypeScriptAngularMySQLNestJS
JUN 2023 - SEP 2023
Mongol Content logo

Mongol Content

Software Engineer Intern

Developed a mobile application for iOS and Android using React Native.

Converted the MPT Pay banking application from its native language to React Native, allowing the company to cut development costs by 50%.

JavaScriptReact NativeFigmaNode.js
JUN 2022 - SEP 2022
Steppe Link Holding logo

Steppe Link Holding

Software Engineer Intern

Developed a mobile application for iOS and Android using React Native.

Gained knowledge of React Native's lifecycle and hooks while creating pixel-perfect user interfaces.

JavaScriptReact NativeExpoFirebase