Full-stack web developer with 5+ years of experience in Angular and .NET, delivering scalable applications with REST APIs and cloud deployment (Azure, AWS). Passionate about clean code, performance optimization, and reliable solutions. Experienced in mentoring junior developers and contributing to both venture-backed startups and long-term US enterprise SaaS projects.
Stuff I have done lately
Experiences
Mercu
Software Engineer
May 2024 - 2025 (1 year 6 months)Remote
- Partnered closely with founders and team to design and launch a scalable, AI-powered hiring platform with full cross-browser support.
- Delivered a full-stack video and audio interview module enhanced by OpenAI-based transcription and AI-driven candidate scoring.
- Engineered a media compression pipeline using AWS Lambda, FFmpeg, and S3 to streamline upload performance and reduce storage overhead.
Simplify Dalat - US Client: Impartner
Full-Stack Developer
October 2022 - May 2024 (1 year 8 months)Lam Dong, VN
- Led the initial refactor of a large Angular monorepo, coordinating 3 junior developers through the first rollout; introduced NgRx/@ngrx/component-store and push-based patterns to stabilize state and speed iteration.
- Partnered with the principal architect to define and apply a consistent frontend architecture across 4 projects.
- Built reusable UI libraries, resolved memory leaks, and optimized heavy bindings → improved load time and long-session stability on enterprise portals.
- Contributed to .NET Core services on Azure (MSSQL, MongoDB); tuned Azure Service Bus handling to reduce DB load from noisy events.
- Drove mentoring for 3 juniors (pairing, review checklists, targeted tasks) → faster PR turnaround and fewer regressions.
Junior Software Engineer
January 2021 - October 2022 (1 year 10 months)Lam Dong, VN
- Created reusable UI components and maintained frontend architecture, improving dev speed and consistency across 4 projects.
- Developed backend services using .NET Core and integrated databases.
- Wrote Postman integration tests to ensure backend service reliability.
B-Gate Solutions
Back-End Developer
May 2020 - November 2020 (7 months)Lam Dong, VN
- Developed CRM web applications using .NET MVC and Entity Framework integrated with MSSQL databases.
Projects
Moninote — Smart personal finance web app
FeaturedSaaSAI-assisted
Designed and built a complete personal finance platform that helps users manage daily expenses, subscriptions, and savings through a clean, note-based interface.
Cloud-native automation
Tech Stack:
Node.js (Express)MongoDB AtlasRedisAngularDockerAWS
View
Libra Kitchen — Coffee shop website
ClientHospitality
Created a complete online presence for a local café in Đà Lạt — from concept to launch — highlighting its handcrafted pastries, drinks, and daily specials.
SEO-first build
Tech Stack:
Angular UniversalNode.jsMongoDBTailwindCSS
View
Varundef.com — Personal blog & portfolio
PersonalWriting
Built my personal blog and portfolio site to showcase projects, technical writing, and client work in a clean, minimal design.
Instant content updates
Tech Stack:
Next.jsNotion APIVercelTailwindCSS
View
Dine With Dalators — Local food & travel experience site
ClientTravel
Curated a storytelling-driven website showcasing culinary and travel experiences around Đà Lạt, connecting visitors with authentic local flavors and destinations.
Story-led conversions
Tech Stack:
Next.jsTailwindCSSHeadless CMS
View