Offshore Development in Vietnam

Tomohiro Iida · Published April 7, 2026 · Updated July 11, 2026

Vietnam is drawing growing attention from Japanese companies as an offshore development destination. The main reasons are a small time difference, a large pool of IT talent, and cost competitiveness.

Three strengths of Vietnam

Vietnam has become a preferred offshore destination on the back of sustained IT workforce development policy, together with a geographic and cultural affinity with Japan.

IT talent, in quality and quantity

Vietnam produces more than 50,000 IT graduates a year, with a strong foundation in mathematics and algorithms. Engineers are well versed in major stacks such as React, Node.js, Solidity, and Python, and the number with blockchain and AI experience is growing.

Cost performance

Compared with engineer rates in Japan, Vietnam typically offers cost savings in the range of 60-70%. That said, selecting a partner on price alone raises quality risk, so track record, delivery structure, and communication quality all need to be weighed together.

A small time difference

Vietnam is two hours behind Japan. That makes real-time communication practical and same-day feedback loops workable. Compared with India or Eastern Europe, this closeness in time zone is a meaningful advantage for Japanese companies.

Four things to watch for

Most offshore development failures are not failures of technical skill; they come from how communication and process are designed.

Designing communication

Whether a Japanese-speaking bridge engineer is in place has a direct bearing on quality. Because misaligned specifications get far more expensive to fix later, put the frequency of regular meetings, how minutes are kept, and the change-request process in writing at contract stage.

Confirming the quality-management setup

Check upfront whether code review, automated testing, and CI/CD pipelines are in place. For blockchain development in particular, confirming smart-contract test coverage and the audit arrangement before placing the order is essential.

Choosing the contract type

Whether a time-and-materials or a fixed-price contract fits depends on how firm the requirements are. Signing a fixed-price contract before requirements are settled tends to invite renegotiation over additional costs later. Switching contract type phase by phase is a common approach.

Security and information handling

Spell out how confidential information, personal data, and source code are handled in an NDA and the contract itself. Always confirm the scope of permitted cloud storage use, data return on termination, and who owns the copyright to the source code.

All four of these can be prevented through pre-contract confirmation and written process documentation. Leaving open questions unresolved before development starts is the single biggest cause of offshore failures.

Three criteria for choosing a partner

Vietnam has a large number of development companies, and choosing on price alone without selection criteria raises quality risk considerably.

Japanese-language capability

Check for a track record on Japan-facing projects, whether a bridge engineer is assigned, and whether Japanese-language documentation is supported. It also matters whether sales and development staff are equally capable in this respect.

Fit with the technical domain

Look for concrete track record in the specific development area you need, such as GitHub repositories and delivered examples. For specialized domains like blockchain, AI, or mobile, a specialist partner is generally a better fit than a general-purpose systems integrator.

Transparency of the development process

Confirm the task-management tools in use (Jira, Linear, and similar), the code repository (GitHub), and how often progress is reported. Partners with a more visible process tend to respond faster when something goes wrong.

Netsujo has experience working with overseas partners, including in Vietnam, and maintains a Japanese-language development setup with bridge engineers in place.

Blockchain development combined with offshore

Combining blockchain development with offshore development can secure specialist talent and optimize development cost at the same time.

In Vietnam, the number of Web3 engineers working in Solidity, Rust, and Go is growing, and offshore track record on DeFi, NFT, and DID projects has been building up. This is becoming a realistic option to make up for the shortage of blockchain engineers within Japan.

At the same time, a hybrid setup, where smart-contract design, audit, and security review stay with specialist engineers in Japan while implementation goes offshore, tends to be the more effective approach for balancing quality and cost.

• Projects where front-end and back-end work goes offshore while contract design stays in-house
• Development on EVM-compatible chains, such as NFT marketplaces or DeFi protocols
• Long-roadmap products where keeping ongoing engineering cost down matters

What to watch for when offshoring Web3 development

Offshoring Web3 and blockchain development carries some considerations on top of the general offshore cautions above. Addressing them before implementation starts tends to lower the risk.

Ambiguous specifications can turn into security incidents

In Web3, details such as permission design, upgrade mechanisms, and fee design have a direct bearing on safety. Starting from an ambiguous specification can create design-level vulnerabilities, not just rework later. Working through the technical requirements in Japan before handing off the work is the recommended path.

Confirm token, IP, and legal matters domestically

For projects involving token issuance, compliance with Japanese regulation, such as the Payment Services Act and the Financial Instruments and Exchange Act, needs to be confirmed on the Japan side. Copyright ownership of the source code, confidentiality, and rights to deliverables should also be settled at contract stage. These are matters to firm up before implementation begins.

Build testing and audit into the process from the start

A smart contract is difficult to change once deployed, and a vulnerability can lead directly to loss of assets. Even when implementation is offshored, the test-coverage policy and the stage at which third-party audit takes place should be written into the development plan up front. Treating audit as an afterthought is a significant risk in Web3.