We are looking for passionate software developers to join Koh Young’s software development team in Vietnam. Whether your strength lies in C++ or C#, we welcome you to bring your skills to the table — and we’ll help you grow the rest.
You’ll be working on our cutting-edge SMT (Surface Mount Technology) inspection systems, contributing to both existing and new Windows desktop applications that power our industry-leading products. Depending on your expertise, you will be matched with the right role within the team, and we’ll support your professional development through hands-on projects and cross-functional collaboration.

Develop and maintain desktop applications for Koh Young’s 3D inspection systems (AOI/SPI/AXI)
Design and implement new features and resolve CRM-reported issues
Collaborate with UX/UI, QA, and algorithm engineers to improve product quality and performance
Support customer needs via short-term overseas business trips (2 days to 2 weeks when needed)
Participate in team-wide architectural and design discussions
Ensure high code quality through peer reviews and testing

C++ Developer

C# Developer

3+ years of experience in C# / .NET / WPF
Strong understanding of MVVM, Dependency Injection, and multi-threading (Thread/Task)
Experience with 2D/3D graphics programming (GDI+, DirectX, OpenGL)
Comfortable working with SQL Lite / MS-SQL, and handling network communication
Familiarity with custom WPF controls, Prism, or SharpDX

Preferred Qualifications

Experience in Windows OS internals or performance optimization
Understanding or experience in the SMT domain (e.g. electronics manufacturing, inspection systems)
Background in starting new software projects from scratch
Familiarity with MFC, application performance tuning, or database schema design
Chinese Speaking

You’ll be part of a global leader in 3D inspection solutions (AOI, SPI, AXI)
We value individual strengths — whether you’re a deep expert or a broad generalist
Flexible matching to roles that suit your current capabilities with room to expand and evolve
Opportunity to work on impactful projects with international collaboration
Support for continuous growth and domain learning in SMT and inspection technology
Ready to take the next step? Whether you specialize in C++, C#, or both — let’s explore the possibilities together.