Software development · Vietnam
Custom software, websites & automation tools
I'm Nguyen Van Dien, an IT engineer based in Vietnam. I build websites, web and mobile apps, and Excel / Google Sheets automation for clients in Vietnam and abroad.
- IT engineering degree — Vinh University, Vietnam
- Former software developer, now building custom tools and products
- Quotes based on your project scope · Time zone GMT+7
Services
What I can build for you
From a business website to an internal tool that removes hours of manual work.
Website design & development
Business websites, online stores and landing pages built to your requirements — fast, mobile-friendly and SEO-ready.
Learn moreCustom app development
Web or mobile apps and internal tools built around your own workflow, to automate the way you work.
Learn moreExcel VBA & Google Apps Script automation
Custom Excel VBA macros and Google Apps Script tools that automate reports, data entry and repetitive spreadsheet work.
Learn moreWhy work with me
A simple, transparent way of working
Work directly with the engineer
You talk to the person who designs and writes the code — no account managers, no hand-offs.
Clear scope before work starts
Requirements are analysed and the scope and quote are agreed with you first.
Demo, feedback, then hand-over
You review a working build before final delivery, then receive the source code and a usage guide.
Built by someone who also teaches
I teach office software in Vietnam, so the tools I build come with explanations your team can follow.
My products
Software I am developing
Apps I design and build myself — the same way I build for clients.
AppLock
UpcomingAn app that locks individual apps on your phone with a password, so your messages, photos and personal accounts stay closed when someone borrows your phone.
Learn moreLockPC
UpcomingSoftware that locks your computer to protect it while you are away and helps you control computer use at home or in the office.
Learn moreVí Nhà Mình
UpcomingA money-tracking app for the whole family: see where the money goes each month and spend with a plan — no spreadsheet needed.
Learn moreHave a project in mind?
Send me your requirements — what you want to build, the problem it should solve and your timeline. I will reply with questions or a quote.
More about me →