Work

1. Jan 2025 – now

   Software Engineer at ONDO LLC

   Analysed payment system bottlenecks, removed single points of failure, and built the integration paths third parties use to reach ONDO services.

   Go · PostgreSQL · Redis · Nginx

2. Mar 2024 – Jan 2025

   Backend Developer at Unitel Group

   Moved TOKI from a monolith to microservices, delivered the UMoney and XYP/DAN integrations, shipped APIs and SDKs for mini-apps and recommendations, and built SIP proxy connectivity for real-time calls.

   Node.js · Redis · Kafka · SIP · WebRTC

3. Feb 2024 – Jun 2024

   Lab Instructor at National University of Mongolia

   Ran the lab sessions for Object-Oriented Programming and Internet Technologies.

   OOP · Web fundamentals

4. Oct 2023 – Feb 2024

   Full Stack Developer at Chinggis Systems LLC

   Built the ProFund investor module on an Nx monorepo with the AWS Serverless Framework.

   Nx · AWS Lambda · API Gateway

5. May 2023 – Sep 2023

   Full Stack Developer at Mogul Group

   Developed an image-processing service and parking-gate plate recognition.

   Angular · Spring Boot · Image processing

6. May 2022 – Aug 2022

   Full Stack Developer at ONDO LLC

   Built admin tooling for number auctions and monitoring for stalled auction flows.

   Node.js · PostgreSQL · JavaScript

7. 2023

   Intern at Nomadic Software Solutions

   Delivered the MVP of the Hoome payment loyalty system.

   Payment systems · JavaScript

8. 2022

   Intern at AND Solutions LLC

   Built the admin panel for the ONDO auction platform.

   JavaScript · PostgreSQL

Projects

• tuslay.mn

  Tuslay.mn

  A platform for workflow automation and operational tooling.

  Next.js · Python · PostgreSQL

• ONDO Billing

  Billing and payment processing for high transaction volume: real-time reconciliation, several payment gateways, reporting.

  Go · PostgreSQL · Redis · gRPC · Kubernetes

• TOKI RTC

  Real-time communication with VoIP: SIP integration and WebRTC audio and video calls across thousands of concurrent connections.

  WebRTC · SIP · Kamailio · FreeSWITCH · Redis

• profund.mn

  ProFund.mn

  Crowdfunding that connects entrepreneurs with investors: payments, project tools, live funding progress.

  Next.js · TypeScript · PostgreSQL · Stripe

Tools

Backend

Go (Gin) · Node.js · NestJS · Fastify · Express · PHP (Symfony)

Data

PostgreSQL · Redis · Kafka · MongoDB · DynamoDB · S3

Infrastructure

Nginx · Docker · Kubernetes · GitHub Actions · GitLab CI/CD · Nx

Cloud & observability

AWS Lambda · API Gateway · CloudFront · DigitalOcean · Prometheus · Grafana · Loki · OpenTelemetry · Jaeger

Real-time & payments

SIP · WebRTC · Kamailio · FreeSWITCH · Payment systems

Web & 3D

TypeScript · React · Next.js · Angular · Three.js · A-Frame