About the role
VN Technology Senior Fullstack Engineer
> CADDi · Ho Chi Minh City, Vietnam (Hybrid) · Full-time · Posted 2026-01-29
Workplace: hybrid
Department: VN Technology
Description
Role Overview
We are looking for a Sr Fullstack Engineer to drive the development of the CADDi SaaS Platform. In this role, you will build and scale a high-performance web application that handles complex business logic and user interactions. You will work across the full stack, from designing DB, APIs with domain-driven design principles to optimizing frontend performance, using modern web technologies and architectural patterns.
What You Will Do (Key Responsibilities)
- End-to-end design, develop & maintenance CADDi SaaS product, ensuring high availability and low latency.
- Work with modern TypeScript stack (NestJS, Next.js…) in a complex web application.
- Build and maintain GraphQL APIs following domain-driven design principles and schema-first approach.
- Collaborate with cross-functional international teams to validate, implement & delivery features.
- Participate in code reviews and maintain high code quality standards.
- Hand-ons in product operation such as on-call, incident response & troubleshooting.
- Write high-quality technical documentation (eg. ADR, Design Docs, Runbook) and actively participate in architectural decisions.
Requirements
MUST HAVE
- 7+ years of experience in web application development.
- Proficiency in statically typed programming languages such as TypeScript/Rust… with experience in both frontend and backend development.
- Experience in FE development specially React (Hooks, Context, State Management) and Next.js (SSR/SSG).
