Full-Stack Developer
GAN-ERDENE GANBAT
ganaa.12396@yahoo.com · 90162332 · Ulaanbaatar, Mongolia
Contact
github.com/horror0110
@ganerdene
Tech Stack
Backend: Django, DRF, Channels, Celery, Node.js, Grails
Frontend: Next.js, React, Vue.js, TypeScript
Mobile: Flutter, React Native
Database & DevOps: PostgreSQL, Redis, Docker, Nginx, Prometheus, Grafana, Sentry
AI & Integrations: Pydantic AI, OpenAI, Anthropic, Gemini, QPay, AWS S3
Education
High School — Mongeni Complex School (Graduated 2020)
Bachelor of Software Engineering — University of the Humanities (Graduated 2024)
Languages
Mongolian — Native
English — Professional
Korean — Intermediate
Professional Summary
Full-stack developer with 6 years of experience building scalable enterprise systems and production AI products. Deep expertise in the Django/Python ecosystem — Celery, DRF, Django Channels (WebSocket), django-waffle, django-auditlog — running on Django 6.0 / Python 3.14. Integrates multi-LLM AI pipelines via Pydantic AI (OpenAI, Anthropic Claude, Google Gemini) and operates full observability stacks: Sentry, Prometheus, and Grafana. Experienced in payment gateway integrations (QPay, SocialPay, bank APIs), AWS S3, and Mailgun. Started career building e-commerce platforms; now delivering production-grade SaaS with intelligent automation and real-time features.
Work Experience
- — Optimized PostgreSQL with psycopg3 and Redis caching reducing API response time by 60%; managed infra with Docker, Nginx, GitHub Actions CI/CD
- — Building a multi-tenancy property management SaaS on Django 6.0 / Python 3.14 with React and SaaS Pegasus architecture
- — Integrated multi-LLM AI pipeline using Pydantic AI (OpenAI GPT-4, Anthropic Claude, Google Gemini) for automated lease document analysis and tenant screening
- — Integrated QPay and major Mongolian banking gateways (Khan Bank, Golomt) for seamless POS transaction processing
- — Leveraged Django ecosystem: Celery for async task queues, django-silk for query profiling, django-waffle for feature flags
- — Implemented structured application logging and performance monitoring, identifying and resolving N+1 query bottlenecks
- — Integrated Sentry for error tracking and performance monitoring, reducing production bug resolution time by 40%
- — Applied code-splitting, lazy loading, and memoization achieving 90+ Lighthouse performance scores
- — Led frontend development of a 9-module ERP system using Next.js 14, TypeScript, and Flutter
- — Built educational management system serving 10,000+ users with role-based access for students, teachers, and parents
- — Built government district portal with citizen engagement features and 5,000+ expected monthly visitors
- — Developed e-commerce platforms with product catalog, cart, order management, and payment gateway integrations (QPay, SocialPay)
Key Projects
Property Management SaaS — Automated contract review and tenant screening that previously took property managers hours of manual work per case. (portal.4space.mn)
E-Commerce Platform — Gave the client a self-serve online sales channel with instant local payment settlement. (k-mall.mn)
Educational Management System — Serves 10,000+ active users across multiple universities; feature flags enable controlled per-client rollouts. (lms.zokhiomj.mn)
Atar Art Travel Agency Internal System — Replaced spreadsheet-based tour tracking; office staff and guides now share one system with role-scoped access, and invoices/itineraries print straight from it in both languages. (atarart.mn)
Enterprise ERP System — Unified 9 departmental workflows into one platform used by 500+ staff daily; Sentry cut production bug-fix time by 40%.
+6 more projects — full list at github.com/horror0110
Full-Stack Developer
GAN-ERDENE GANBAT
6 years coding experience • 2 years professional
SaaS platforms, payment integration (QPay / SocialPay) and AI automation — built for Mongolian business.
Professional Summary
Full-stack developer with 6 years of experience building scalable enterprise systems and production AI products. Deep expertise in the Django/Python ecosystem — Celery, DRF, Django Channels (WebSocket), django-waffle, django-auditlog — running on Django 6.0 / Python 3.14. Integrates multi-LLM AI pipelines via Pydantic AI (OpenAI, Anthropic Claude, Google Gemini) and operates full observability stacks: Sentry, Prometheus, and Grafana. Experienced in payment gateway integrations (QPay, SocialPay, bank APIs), AWS S3, and Mailgun. Started career building e-commerce platforms; now delivering production-grade SaaS with intelligent automation and real-time features.
Work Experience
Full-Stack Developer
Jan 2026 – PresentRokmon LLC
- ■Building a multi-tenancy property management SaaS on Django 6.0 / Python 3.14 with React and SaaS Pegasus architecture
- ■Integrated multi-LLM AI pipeline using Pydantic AI (OpenAI GPT-4, Anthropic Claude, Google Gemini) for automated lease document analysis and tenant screening
- ■Built real-time notification system with Django Channels (WebSocket); established full observability stack — Sentry errors, Prometheus metrics, and Grafana dashboards with automated alerting
- ■Architected distributed task processing: Celery + Redis broker, celery-beat for scheduled jobs (rent reminders, bulk reports); integrated AWS S3 (boto3/django-storages) and Mailgun (django-anymail) for media and transactional email
- ■Implemented enterprise auth with django-allauth (OAuth social login, MFA), audit trails via django-auditlog, and automated document exports (WeasyPrint PDF, openpyxl Excel)
- ■Optimized PostgreSQL with psycopg3 and Redis caching reducing API response time by 60%; managed infra with Docker, Nginx, GitHub Actions CI/CD
Full-Stack Developer
Dec 2025 – Jan 2026Smart Batax LLC
- ■Integrated QPay and major Mongolian banking gateways (Khan Bank, Golomt) for seamless POS transaction processing
- ■Leveraged Django ecosystem: Celery for async task queues, django-silk for query profiling, django-waffle for feature flags
- ■Implemented structured application logging and performance monitoring, identifying and resolving N+1 query bottlenecks
- ■Built enterprise applications with Grails/Groovy backend and Vue.js frontend using Quasar Framework and Webix UI
- ■Handled PostgreSQL schema migrations and legacy system integration
Frontend Developer
Feb 2025 – Nov 2025Nandin Brothers Group LLC
- ■Led frontend development of a 9-module ERP system using Next.js 14, TypeScript, and Flutter
- ■Integrated Sentry for error tracking and performance monitoring, reducing production bug resolution time by 40%
- ■Applied code-splitting, lazy loading, and memoization achieving 90+ Lighthouse performance scores
- ■Implemented CI/CD pipelines with GitHub Actions including automated testing, linting, and zero-downtime deployments
- ■Collaborated closely with backend team on API contract design and performance optimization
Freelance Full-Stack Developer
Jun 2024 – Jan 2025Independent Projects
- ■Developed e-commerce platforms with product catalog, cart, order management, and payment gateway integrations (QPay, SocialPay)
- ■Built educational management system serving 10,000+ users with role-based access for students, teachers, and parents
- ■Implemented django-waffle feature flag system enabling controlled rollouts and A/B testing across university clients
- ■Built government district portal with citizen engagement features and 5,000+ expected monthly visitors
- ■Deployed all projects to production with Docker, Nginx, and automated backups on cloud infrastructure
Key Projects
Property Management SaaS
Multi-tenancy SaaS on Django 6 / Python 3.14. Multi-LLM pipeline (OpenAI, Claude, Gemini), WebSocket real-time, Prometheus + Grafana observability, Celery distributed tasks, AWS S3 storage.
Impact: Automated contract review and tenant screening that previously took property managers hours of manual work per case.
E-Commerce Platform
Full-featured online store with product catalog, shopping cart, order management, and multi-gateway payment integration (QPay, SocialPay, bank APIs).
Impact: Gave the client a self-serve online sales channel with instant local payment settlement.
Educational Management System
Multi-role platform for students, teachers, and parents deployed at universities. Feature-flag-driven releases. 10,000+ active users.
Impact: Serves 10,000+ active users across multiple universities; feature flags enable controlled per-client rollouts.
GK Group Corporate Website
Company introduction website presenting GK Group's brand, services, and portfolio.
Impact: Gave the company a fast, modern public presence replacing an outdated site.
Atar Art Travel Agency Internal System
Internal system for a travel agency managing tours, staff, and invoicing. Granular per-model permission matrix, proxy-model-based fine-grained access control, bilingual (MN/EN) print-ready itinerary and invoice documents, multi-currency payment tracking, and a pending/confirmed tour workflow. QPay integration for customer payments. Deployed to production on DigitalOcean with Docker and Caddy (auto HTTPS).
Impact: Replaced spreadsheet-based tour tracking; office staff and guides now share one system with role-scoped access, and invoices/itineraries print straight from it in both languages.
Enterprise ERP System
9-module business management platform with Sentry observability and 90+ Lighthouse scores. 500+ daily users across all departments.
Impact: Unified 9 departmental workflows into one platform used by 500+ staff daily; Sentry cut production bug-fix time by 40%.
District Government Portal
Public services portal with structured logging, performance-optimized pages, and citizen engagement features. 5,000+ expected monthly visitors.
Impact: Moved citizen service requests online for a district government office, expected to reach 5,000+ residents monthly.
POS & Banking Integration
Enterprise point-of-sale system with real-time inventory tracking, sales analytics, and direct integrations with Mongolian banking payment gateways.
Impact: Connected the retailer's POS directly to QPay, Khan Bank and Golomt for same-transaction payment reconciliation.
Uzee - Movie Platform & Mobile App
Movie streaming website and companion mobile app for browsing and watching films, with QPay integration for premium payments.
Impact: Launched a paid streaming product across web and mobile with QPay-based subscription payments.
Ikh Ergelt LLC Employee Monitoring System
Internal system for a leather processing factory tracking raw hides through a multi-stage production pipeline (soaking, liming, washing, etc.) to finished leather. Includes a dedicated mobile-friendly app for factory floor workers, race-safe quantity tracking, per-employee wage calculation, and a real-time production analytics dashboard.
Impact: Gave factory management real-time visibility into where every batch of hides sits in production, and automated per-employee wage calculation from logged work.
x-read-manga - Chrome Extension
Chrome extension that translates manga panels directly on manga reading sites using OpenAI, with QPay-based premium access.
Impact: Published on the Chrome Web Store; lets readers translate manga in place without leaving the page.