Freelance Software Developer in Vietnam

Freelance custom software developer for Vietnam: custom web apps, portals and internal tools. Planned for Vietnam's PDP Law and local payments.

Overview

Custom web applications, SaaS MVPs, client portals and internal tools — scoped in milestones, built on maintainable stacks and handed over with documentation. Projects for Vietnam run remotely, with about 6.5 hours of overlap with a 9-to-6 working day. Scope, milestones and ownership are agreed in writing before work starts.

Vietnam-specific requirements to plan for

Projects for businesses in Vietnam have to work for local customers and local rules. These points are planned from the first milestone:

Personal Data Protection Law (No. 91/2025/QH15) and Decree 356/2025, both effective 1 January 2026: Consent and impact assessments are required, and some cross-border transfers must be documented.
Payment methods customers in Vietnam expect: VNPay QR, MoMo, ZaloPay, Napas and OnePay.
Interface and content languages: Vietnamese and English.

Source: Government Legal Documents Portal — Law No. 91/2025/QH15 on Personal Data Protection

This is practical delivery guidance, not legal advice.

Typical custom software developer projects for businesses in Vietnam

Vietnam’s key sectors include manufacturing & industrial, it & software services, retail & d2c brands and tourism & travel.

Logistics & shipping: dispatch, fleet and proof-of-delivery tracking software.
Manufacturing & industrial: production, inventory and dealer-order tracking (ERP-style) software.
IT & software services: a client portal with ticketing, time logs and invoicing.
Retail & D2C brands: inventory, order and loyalty management connected to the store.

Software Developer for businesses across Vietnam

Projects are planned for the market each business sells into. Cities covered in Vietnam:

Hanoi: vietnam’s capital, with government, education, IT services and fast-growing consumer brands.
Ho Chi Minh City: vietnam’s economic engine, with manufacturing, retail, fintech and a booming software-outsourcing sector.

Working hours: India ↔ Vietnam

Vietnam is on UTC+7. IST is 1 h 30 min behind. That leaves roughly 6.5 hours of overlap with a 9-to-6 working day. A daily call at 09:30–12:30 your time (08:00–11:00 IST) works year-round. Between calls you get written updates and a staging link that shows the latest build.

Decisions to make before work starts

Map the data model, permissions, integrations, reports and administrative actions. Agree migration, logging, backup and deployment responsibilities alongside the product workflow.

Deliverables to agree in your scope

System architecture document and normalized relational database schema
Secure backend API with role-based access control (RBAC)
Clean, responsive administrator and user web application portals
Automated unit and integration test coverage for business logic
Docker containerization and production deployment CI/CD pipeline
Software that fits your process instead of the reverse
Role-based access, audit logs and backups
Documentation and a clean hand-over to your team

Technology options

Node.js / Express
TypeScript
PostgreSQL / Cloud SQL
React / Next.js
Docker / Cloud Run

Questions for your project brief

What core business workflow will this custom software replace or power?
What distinct user roles will interact with the system?

How the quote is scoped

These factors affect the work involved:

Data entity relationships & permissions complexity
Third-party API synchronization requirements
Reporting & analytics exports

Share your budget in VND or USD. The schedule, payment milestones, external charges and support terms are agreed in writing before work starts.

Review and handover

Verify important workflows, permission boundaries, validation, failure recovery and agreed load scenarios. Document deployment, handover items and unresolved limitations. Source-code and asset ownership, licences, account access and ongoing support are set out in the project terms.

Can I hire a freelance custom software developer for a project in Vietnam?

Yes. Share your goals, timeline and budget and you receive clarifying questions or a scoped, milestone-based proposal. Work runs remotely, with written updates and a staging link you can review at any time.

How much does a freelance custom software developer cost in Vietnam?

It depends on data entity relationships & permissions complexity, third-party API synchronization requirements and reporting & analytics exports. There are no fixed packages: share your budget in VND or USD and receive an itemised, milestone-based proposal.

How long does a custom software project take?

The service catalog lists a typical range of 30 - 90 days; the real plan depends on scope, integrations and content readiness.

Will the project follow Vietnam's PDP Law in Vietnam?

The build is planned around the Personal Data Protection Law (No. 91/2025/QH15) and Decree 356/2025, both effective 1 January 2026: consent capture on forms, a clear privacy notice, data minimisation and suitable hosting. Consent and impact assessments are required, and some cross-border transfers must be documented. Final legal wording should be checked by your legal adviser. Official reference: https://vanban.chinhphu.vn/?pageid=27160&docid=214590&classid=1&typegroupid=3

Which payment methods can be integrated for Vietnam?

Common options include VNPay QR, MoMo, ZaloPay, Napas and OnePay. Gateways are chosen around your customers, settlement currency (VND) and fees, and the full checkout is tested on mobile.

Which time zone will the project run in for Vietnam?

Calls run 09:30–12:30 your time (08:00–11:00 IST); everything else is asynchronous, with written updates.

Other services in Vietnam

Custom Software Development by city in Vietnam

Raji

Founder & freelance developer

Rajeev, known as Raji, is the founder of ER Freelancer. Work directly with him on websites, applications and business software, with remote collaboration available worldwide.

Based in India · available remotely

Available for remote projects worldwide

Languages: English, Hindi