Munkhjin Nyamdorj
Verified Expert in Engineering
Full-stack Developer
Ulaanbaatar, Mongolia
Toptal member since August 24, 2022
Munkhjin is a seasoned full-stack engineer with a strong track record of building high-quality web applications. He specializes in AI-powered solutions and brings deep expertise in Next.js, scalable API architecture, and end-to-end product delivery. Over the past year, he has fully adopted agentic and vibe coding practices, accelerating his daily development workflow by 5-10x.
Portfolio
Experience
- Node.js - 7 years
- React - 6 years
- Docker - 6 years
- TypeScript - 6 years
- Next.js - 5 years
- APIs - 5 years
- Claude Code - 1 year
- AI Agents - 1 year
Preferred Environment
Next.js, Docker, Git, Amazon Web Services (AWS), Node.js, APIs, Large Language Models (LLMs), Software Development, Software Architecture, AI Agents
The most amazing...
...project I’ve worked on is the cloud infrastructure service used by most Mongolian tech companies.
Work Experience
Lead Software Engineer
Mazaal AI
- Reworked most of the application interface and API designs to improve UI visuals, reduce unknown errors, and build AI training tools directly from the website.
- Rehauled the landing from scratch using Next.js to optimize performance and significantly improved SEO score.
- Led a successful product launch and negotiated a strategic subscription deal with major retail partners — effectively rolling out the red carpet and bringing top-tier clients into our ecosystem.
- Built workflow automation tools integrating 150+ applications to Mazaal AI.
- Developed a coding-capable AI agent with multi-platform chatbot integration, powered by a custom API, Retrieval-Augmented Generation (RAG) knowledge base, and advanced prompt engineering.
- Built an AI chat interface that delivers seamless tool calling, reasoning, and 3rd-party API integrations.
Full-stack Developer
Ipsun Sunvoy
- Developed blogs for landing pages and integrated various 3rd-party solar inverters and CRM APIs. Built a Puppeteer scraping tool for scraping data using hidden APIs and taking beautiful screenshots for monthly email reports.
- Tracked and fixed a lot of issues within the web application. Added unit tests to the existing codebase. Improved existing functionalities and performance.
- Helped build an excellent tool for solar installers, making managing customers and their solar inverters easier.
Mid-level Full-stack Developer
Fibo Global
- Worked with a development team that built a cloud infrastructure service used by most Mongolian tech companies.
- Developed a paid tech blog posting website. Paid authors for writing good tech articles.
- Built a project management tool that tracks projects, tasks, and hours (internal company use).
- Renovated the old landing pages and updated them to a new design.
Full-stack Developer
Trap.mn
- Developed a web service that reports security threats and attacks to the cloud server.
- Built a reporting summary exporter tool that collects data from logs and exports it to a CSV file.
- Created a back office section for managing subscriptions for current users.
Full-stack Developer
Freelance Client
- Developed an eCommerce website for furniture selling using React, Express.js, and MySQL for the database.
- Helped senior undergrad students to deploy React with a Node.js project on the cloud server.
- Worked with a small team of three people. Gained a lot of valuable experience through the eCommerce project.
Entry-level Front-end Engineer
Erxes INC
- Took from tasks from a front-end engineer to fix layouts in CSS and React.
- Fixed a small portion of developer documentation websites.
- Wrote snapshot unit tests for TypeScript and React components in Jest.
Experience
Automatic Crypto Trading Bot
https://github.com/nyamkamunhjin/binancebot.gitPuck Finance
https://puck.liveConvex Agentic Support Automation
https://con-vex.co/By unifying Facebook Messenger, Instagram, Viber, and other popular channels into a single inbox, Convex AI enables companies to manage all conversations from one place while dramatically reducing response times and operational costs.
Education
Bachelor's Degree in Computer Science
National University of Mongolia - Ulaanbaatar, Mongolia
Certifications
Certified Blockchain Expert
Blockchain Council
AWS Certified Solutions Architect
AWS
Skills
Libraries/APIs
React, Node.js, Binance API, OpenAI API, API Development, REST APIs, Stripe, Jenkins Pipeline
Tools
Git, Prisma, MongoDB Atlas, Claude Code, Shadcn, Lighthouse, NGINX, GitHub, AI SDK
Languages
TypeScript, JavaScript, HTML, CSS, Pine Script, SQL, Go, Python, Solidity
Frameworks
Tailwind CSS, Express.js, Next.js, NestJS, Material UI, Redux, tRPC, Jest, Docusaurus, Hardhat, Alchemy
Paradigms
Model Context Protocol (MCP), Agile Software Development
Platforms
Amazon Web Services (AWS), Linux, Vercel, Docker, Blockchain, AWS Lambda, Azure, OpenStack, AWS IoT
Storage
MySQL, PostgreSQL, MongoDB, Amazon S3 (AWS S3)
Other
Software Development, Web Development, TradingView, APIs, Anthropic, Large Language Models (LLMs), AI Agents, AI Tools, Agentic AI, API Gateways, Data Mapping, Forms, API Integration, Supabase, Vite, CI/CD Pipelines, AI Integration, Cloud Infrastructure, Artificial Intelligence (AI), Prompt Engineering, Back-end, Minimum Viable Product (MVP), Webhooks, Full-stack Development, Deployment, Front-end, GitHub Actions, Startups, Data Science, Crypto, FastAPI, Generative Artificial Intelligence (GenAI), Accessibility, eCommerce, AI Automation, AI Research, Data Engineering, Machine Learning, Discord Bots, Software Architecture
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