Open to Work

Building Scalable Microservices & AI Solutions.

Multilingual Full-Stack Developer based in Japan. I specialize in architecting decoupled microservices using Next.js, Rails, and Python. With a high technical learning velocity and fluency in English (C1/C2), Japanese (N1/N2), and Mongolian, I am ready to deliver robust, scalable solutions for innovative teams locally and globally.

Contact Me GitHub

Featured Projects

EcoRoute Optimizer

A sustainable logistics platform that reduces carbon emissions by optimizing delivery routes using real-world physics and traffic data.

Microservice Architecture: Decoupled services for Logic (Python), Management (Rails), and UI (Next.js).
Real-World Routing: Integrated OSRM to fetch precise road geometry and traffic-adjusted travel times.

Next.js 14Ruby on RailsPython FlaskLeaflet / OSRM

View Code on GitHub

BookingSystem

Completed

A comprehensive booking management system built with a modern full-stack architecture. Features multi-language support (MN, EN, JP), Stripe payments, and real-time scheduling.

Full-Stack Architecture: Next.js (React) frontend with Tailwind CSS v4, connected to a robust NestJS backend.
Advanced Features: Stripe payment integration, multi-language support (i18n), and role-based access control.

Next.jsNestJSPostgreSQLTailwind v4Stripei18n

View Code on GitHub

E-Commerce Website

Completed

A full-featured e-commerce platform with all essential online shopping capabilities. Features product catalog, shopping cart, user authentication, order management, and secure checkout.

Complete Shopping Experience: Product browsing, filtering, search functionality, shopping cart management, wishlists, and user reviews.
Secure Transactions: User authentication (sign-up/login), order history tracking, payment integration (Stripe/PayPal), and email notifications for orders.

Next.jsShopify APIStripeRedis

View Code on GitHub

AI Receptionist

In Development

A production-grade AI Voice Operator handling real-time VoIP calls. Solved complex Docker NAT routing and VAD challenges. Developed as a Mongolian prototype, but the architecture is fully scalable to any language or region.

Advanced Audio Pipeline: Custom RMS-based Voice Activity Detection (VAD) and Promiscuous RTP Mode for robust audio streaming within Docker.
Smart Integration: OpenAI Function Calling for real-time database queries and a custom text normalization engine for error-free TTS.

PythonDockerPostgreSQLAdmin Dashboard

View Code on GitHub

Hand & Eye Gesture Mouse

Completed

A computer vision application that allows users to control their mouse cursor and perform clicks using hand gestures and eye movements.

Hand Tracking: Uses Mediapipe to detect hand landmarks for precise cursor control and gesture-based clicking.
Eye Tracking: Implements eye gaze estimation to move the cursor, providing an alternative input method for accessibility.

PythonOpenCVMediapipePyAutoGUI

View Code on GitHub

Technical Competencies

Frontend Ecosystem

Next.js 14 (App Router) / React
TypeScript / Tailwind CSS (v4)
Framer Motion / Three.js
Modern Web Standards (ES6+)

Backend & API Architecture

NestJS / Node.js
Python (FastAPI) / Rails
GraphQL / REST APIs
Microservices / gRPC

Cloud Infrastructure

AWS (Lambda, S3, DynamoDB)
Docker / Vercel / Supabase
CI/CD (GitHub Actions)
Linux / Nginx

AI Integration

OpenAI API (Function Calling)
RAG / Vector Databases
Computer Vision (OpenCV)
Mediapipe / Whisper