About
I'm a software engineer with 4+ years of experience building robust backend systems and scalable applications. My expertise lies in designing payment and billing systems, high-concurrency architectures, and real-time communication platforms.
Currently, I'm focused on building enterprise-grade billing systems at ONDO LLC->, where I architect solutions that handle complex payment workflows and transaction processing at scale.
In the past, I've had the opportunity to work across diverse domains - from telecommunications at Unitel Group building VOIP and SIP/RTC communication systems, to creating crowdfunding platforms and automation solutions. I also contributed to CMMS development for IkhGobiEnergy LLC, a major local mining corporation.
I hold a Bachelor's in Computer Science from the National University of Mongolia, where I also served as an instructor teaching software engineering principles.
Experience
Jan 2025 - Present Analyzed payment system bottlenecks, addressed single points of failure, and built third-party integration pathways for ONDO services.
- Go
- PostgreSQL
- Redis
- Nginx
Mar 2024 - Jan 2025 Migrated TOKI from monolith to microservices, delivered UMoney and XYP/DAN integrations, and shipped APIs and SDKs for mini-app and recommendation systems. Built SIP proxy connectivity for RTC services.
- Node.js
- Redis
- Kafka
- SIP
- WebRTC
Feb 2024 - Jun 2024 Led lab sessions for Object-Oriented Programming and Internet Technologies courses.
- OOP
- Web Fundamentals
Oct 2023 - Feb 2024 Built the ProFund investor module using an Nx monorepo and AWS Serverless Framework.
- Nx
- AWS Lambda
- API Gateway
May 2023 - Sep 2023 Developed an image processing service and parking gate recognition software with Angular and Spring Boot.
- Angular
- Spring Boot
- Image Processing
May 2022 - Aug 2022 Built admin tooling for number auctions and monitoring stalled auction flows.
- Node.js
- PostgreSQL
- JavaScript
2023 Delivered the MVP for the Hoome payment loyalty system.
- Payment Systems
- JavaScript
2022
Projects
ONDO Billing System
Enterprise-grade billing and payment processing system handling high-volume transactions with real-time reconciliation, multiple payment gateway integrations, and comprehensive reporting.
- Go
- PostgreSQL
- Redis
- gRPC
- Kubernetes
TOKI - RTC Platform
Real-time communication platform with VOIP capabilities, SIP protocol integration, and WebRTC-based audio/video calling. Handles thousands of concurrent connections with low latency.
- WebRTC
- SIP
- Kamailio
- FreeSWITCH
- Redis
IkhGobiEnergy CMMS
Computerized Maintenance Management System for mining operations. Tracks equipment lifecycle, preventive maintenance scheduling, work orders, and inventory management.
- React
- Node.js
- PostgreSQL
- Redis
- Docker
ProFund.mn
Crowdfunding platform connecting entrepreneurs with investors. Features secure payment processing, project management tools, and real-time funding progress tracking.
- Next.js
- TypeScript
- PostgreSQL
- Stripe
Skills
Web
- React (Vite)
- Next.js
- Angular
- A-Frame
- Three.js
- JavaScript
- TypeScript
Backend
- Node.js
- NestJS
- Fastify
- Express
- Go (Gin)
- PHP (Symfony)
Data & Storage
- PostgreSQL
- MongoDB
- DynamoDB
- S3
- SQL
Infra & DevOps
- Nginx
- Redis
- Kafka
- GitHub Actions
- GitLab CI/CD
- Nx Monorepo
- Docker Registry
Cloud & Observability
- AWS Lambda
- API Gateway
- CloudFront
- DigitalOcean Droplets
- Spaces
- Prometheus
- Grafana
- Loki
- OpenTelemetry
- Jaeger
Specialized
- Payment Systems
- RTC
- AR/VR
- AI/ML
- System Design
Contact
I'm always interested in hearing about new opportunities, challenging projects, or just connecting with fellow engineers. Whether you have a question or just want to say hi, feel free to reach out!