Contact VAON
Get a real-time quoteAI-native development, every line human-reviewed
VAON is a Hanoi-based software company serving Japanese businesses with AI-native development. Projects can start without a finished spec, and every line of AI-written code is reviewed and tested, with the records shared.
How we work
- Spec Lock first: a fixed-price phase of 1 to 2 weeks (2 to 4 weeks for larger systems) that produces requirements, wireframes, database design, system architecture and a fixed build quote. You can stop after this phase with no obligation to continue.
- Working software every 1 to 2 weeks.
- No surprise costs: out-of-scope work gets a written change request with price and schedule impact, and starts only after you approve it.
- A weekly report on progress, risks and the decisions we need from you.
AI-driven development, with people accountable
Our engineers use Claude Code and GitHub Copilot daily for code review, test generation and documentation. A person checks every change before release, and review and test records are kept for every project. We never put your data or source code into an AI tool without your permission.
Team and communication
Our CTO and a Tech Lead join every project. A Japanese-speaking bridge engineer (BrSE) leads the early phase on business requirements; after that, the engineers who design your system talk with you directly.
Security
We sign an NDA before we start, grant access by role, can keep the source code in your own repository and process data entirely inside your infrastructure, and at the end revoke access and return or delete data on request. VAON is not ISO 27001 certified. Our security rules follow the ISO 27001 framework, and we will walk you through them or sign your own security agreement.
What we do not take on: projects that need dozens of people at short notice, training large language models from scratch, hardware or embedded systems, blockchain, or 100% on-site work in Japan.
VAON was founded in 2026 by an engineer with 15 years in the industry, including 5 years in Tokyo.
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Min project size
$1,000+
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Hourly rate
< $25 / hr
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Employees
10 - 49
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Year founded
Founded 2026
Service Lines
- AI Development
- 25%
Select Focus Area
- AI Expertise
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- Computer Vision
- 25%
- Application Platforms
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- Amazon Application Development Framework
- 100%
- Digital and IT Strategy Consulting Focus
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- IT Assessment
- 40%
- Mobile Focus
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- Enterprise Mobile App Development
- 40%
- Consumer Mobile App Development
- 20%
- Mobile Platforms
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- Programming & Scripting
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- Typescript
- 30%
- JavaScript
- 20%
- PHP
- 20%
- Python
- 20%
- Java
- 10%
Industries
- Business services
- 25%
- Education
- 25%
- Information technology
- 20%
- Advertising & marketing
- 15%
- eCommerce
- 15%
Clients
- Small Business (<$10M)
- 50%
- Midmarket ($10M - $1B)
- 40%
- Enterprise (>$1B)
- 10%
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Our Story
VAON started from one observation: most software projects fail at the start, not in the code. After 15+ years in software, five in Tokyo, our founder Dang Van Luan founded VAON in Hanoi in 2026 to get that first stage right. We make the problem clear before we write code, and say up front what we can and cannot do.
Mission: turn each business problem into a practical, sustainable solution worth its cost.
Values (3T): Tâm (sincerity), Tư (thinking), Tiến (progress).
What Sets Us Apart
True Tech, True Value
Our 3T values (Tâm: sincerity, Tư: thinking, Tiến: progress) shape how we work. Most projects fail at the start, so we fix that first: clear requirements, honest scope, and engineering that holds up in production.Honest about limits
We tell clients early what we cannot do or deliver. Every scope change is agreed in a written change request, so budget and expectations stay clear on both sides.Certified engineering
Our engineers hold ISTQB and AWS Certified Security – Specialty certifications, so testing discipline and cloud security are built in from the start.
Contact VAON
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