About

We build products people actually use.

HOANG is a technology company of engineers in Japan and Vietnam. We build our own products, and bring the same skills to the businesses we work with.

Who we are

A small team across Japan and Vietnam.

Hoang LLC was founded in December 2025 in Nagareyama, Chiba, with its development base in Bac Ninh, Vietnam. Most of our members studied at Japanese universities and gained their engineering experience at Japanese companies.

Company profile

Founded: December 2025
Headquarters: Nagareyama, Chiba
Development base: Bac Ninh, Vietnam

What we create

We make our own products.

Business cards, figures, paperwork — everyday things, made easier or more fun with technology.

All products

Approach

Technology should serve people.

01
Start from the problem
We learn what gets in people’s way first, then use only the technology it needs.
02
AI as a tool
AI makes the work faster; people stay responsible for judgment and quality.
03
Ship small, keep improving
We release early, watch how it is used, and keep making it better.

Direction

Grow our products, share what we learn.

We will keep growing our own products for the long run, and bring what we learn to the businesses and partners we build with.

About our engineering

Team

Our Team

We started as university classmates. Now we build technology together.

Takashima Thanh
Representative Partner / CEO Japan
Ryutsu Keizai UniversityChiba, Japan
Hoàng (ホアン)
CEO Vietnam Office
Shumei University, JapanChiba, Japan
Nguyen Bao Chung
Project Manager
Shumei University, JapanHanoi, Vietnam
- AWS SAA
- AWS DVA
- JLPT N1
Nguyen Son Tung
Comtor / BrSE
Shumei University, JapanHanoi, Vietnam
- JLPT N1
Pham Manh Dat
Solution Architect
Shumei University, JapanTokyo, Japan
- AWS SAA
- JLPT N1
- TOEIC 850
Pham Thi Phuong
Sales
Shumei University, JapanTokyo, Japan
- JLPT N1
- BJT N1
Tran Nhat Minh
Tester / Comtor
Shumei University, JapanHanoi, Vietnam
- JLPT N2