Web & product UI
Angular, React, Next.js
AngularNext.jsReact
Angular (RxJS, Signals), React, and Next.js — from enterprise micro-frontends to solo-built products with real users in production.
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Full-stack products, zero to production.
Angular, .NET, Next.js, NestJS — AI-integrated SaaS, real-time systems, and production AWS workloads I own end to end.
SYSTEM STATUS
> BUILD: ZERO_TO_PRODUCTION
> STACK: ANGULAR | .NET | NEXT
> AI: OPENAI | RAG | PINECONE
> DEPLOY: AWS | DOCKER | CI/CD
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Developer snapshot
Full-stack engineer with 6+ years taking products from zero to production — owning delivery, iteration, and production stability. I've shipped AI-integrated platforms, multi-tenant SaaS, and real-time systems that real users depend on. I work directly with founders to turn ambiguous requirements into working software, use AI tooling (Cursor, Claude) as a force multiplier, and take full ownership of outcomes.
What I build
I take products from idea to production — UI, APIs, AI integrations, and the infra to run them. Here is where I spend most of my time; reach out if your problem sits across more than one bucket.
Backend & data
.NET, NestJS, SQL & NoSQL
.NETNestJSMySQL
ASP.NET Core, NestJS, and Node — REST APIs, MySQL/MongoDB, background jobs (Hangfire), and fixes when production load hits the database layer.
AI & cloud shipping
OpenAI, AWS, CI/CD
OpenAIAWSDocker
RAG pipelines, Whisper/LLM integrations, Pinecone — plus AWS, Docker, GitHub Actions, and keeping systems stable after launch.
Projects
LamDongMoi — Regional news & local context platform
FeaturedSolo-builtAIIn production
Conceived, built, and launched solo — a live regional platform (Next.js, NestJS, MongoDB) from product vision to production, with client site, admin dashboard, and account portal from one codebase.
Result: Fully automated AI content pipeline (drafting, bilingual translation, editorial formatting) in production with observability, error handling, and manual overrides. Custom MCP server for Cursor to speed admin research workflows.
Solo-built, in production since Nov 2025
Tech Stack:
Next.jsNestJSMongoDBOpenAIMCP
View
Libra Kitchen — Coffee shop platform
FeaturedSolo-builtHospitality
Built and maintained a live coffee shop platform (Angular Universal, Node.js) handling real menus, orders, and schedule-based ordering.
Result: Stable in production for 3+ years with no dedicated ops support — real order workflows, not just a marketing site.
3+ years in production
Tech Stack:
Angular UniversalNode.js
View
Dine With Dalators — Tour booking platform
Solo-builtTravel
Designed and launched a full tour booking platform (Next.js, MongoDB) — solo, with real bookings processed in production from day one.
Result: Real-time Telegram notifications, custom CMS, and a booking flow validated with actual customers.
Real bookings from day one
Tech Stack:
Next.jsMongoDBTelegram API
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PlantOps MVP — Agricultural SaaS
Solo-builtSaaS
Sole engineer on a multi-tenant inventory SaaS for plant tissue culture labs (Next.js, NestJS, MySQL) — zero to deployed product with all architecture and product decisions mine.
Result: Background job processing, containerised deployment, and CI/CD pipeline shipped as part of the MVP.
Multi-tenant MVP
Tech Stack:
Next.jsNestJSMySQLDockerCI/CD
Moninote — Smart personal finance web app
SaaSPersonal
Designed and built a complete personal finance platform that helps users manage daily expenses, subscriptions, and savings through a clean, note-based interface.
Result: A modern SaaS-style app showcasing full-stack expertise, end-to-end product work, and UX-driven design.
Cloud-native automation
Tech Stack:
Node.js (Express)MongoDB AtlasRedisAngularDockerAWS
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Varundef.com — Personal blog & portfolio
PersonalWriting
Built my personal blog and portfolio site to showcase projects, technical writing, and side work in a clean, minimal design.
Result: Next.js site with Notion-backed content and a retro terminal aesthetic.
Instant content updates
Tech Stack:
Next.jsNotion APIVercelTailwindCSS
View
Morocco Tours — Luxury Moroccan tourism website
TravelSide project
A modern tourism site for Moroccan travel experiences — desert escapes, imperial cities, coastal retreats, and Atlas Mountains.
Cultural journey focus
Tech Stack:
Next.jsTailwindCSSVercel
View
Experiences
Freelance / Contractor
Full-Stack Developer
November 2025 – PresentRemote
- Senior Angular Developer (AU automotive client, via agency): Built a complex PO and inventory tracking system in Angular — delivered on time under a fixed contract, self-reviewed and production-ready without QA. Used Claude Code to keep velocity and quality high.
- PlantOps MVP (Agricultural SaaS): Sole engineer on a multi-tenant SaaS MVP (Next.js, NestJS, MySQL) — zero to deployed product, owning architecture and product calls. Shipped background jobs, containerised deployment, and a CI/CD pipeline.
- DineWithDalators.com: Designed and launched a full tour booking platform (Next.js, MongoDB) — solo, with real bookings in production from day one, Telegram notifications, and a custom CMS.
Mercu
Full-Stack Developer
May 2024 – October 2025Remote
- Worked on an AI-powered hiring platform with RAG architecture, using Pinecone for embedding storage and contextual candidate intelligence.
- Built the virtual interview module end-to-end (ASP.NET Core, Angular, MySQL) and integrated OpenAI Whisper for transcription, chained into a custom OpenAI scoring prompt for automated candidate review.
- Worked hands-on with AWS (EC2, S3, Lambda, RDS) in production.
- Redesigned the media processing pipeline, cutting file sizes by ~80% — better load times and lower infra cost.
- Shipped Twilio and Cronofy integrations; Hangfire background jobs for reliable async message scheduling at scale.
- Diagnosed and fixed MSSQL connection pool exhaustion under load, restoring production stability without downtime.
Simplify Dalat
Full-Stack Developer
January 2021 – May 2024Lam Dong, VN
- Diagnosed and fixed MSSQL connection pool exhaustion under load, restoring production stability for the enterprise platform without downtime.
- Led a full Angular frontend refactor (v8–17) across a large codebase — improved long-term maintainability without disrupting ongoing feature delivery.
- Mentored 3 junior developers and established frontend coding standards adopted across the team.
B-Gate Solutions
Back-End Developer (.NET)
May 2020 – November 2020Lam Dong, VN
- Delivered CRM modules (ASP.NET MVC, Entity Framework, AngularJS) in a startup environment — contributed to feature shipping across the full stack from day one.