Test Software Development Engineer

lumentumยท Lumentum International (Thailand) Co. Ltd.
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About this role

It's fun to work in a company where people truly BELIEVE in what they're doing!
We're committed to bringing passion and customer focus to the business.

If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!

Job Summary**

Lumentum International (Thailand) Co. Ltd. is seeking a talented Test Software Development Engineer to design, develop, and maintain robust test automation solutions for our cutting-edge optical and photonic products. This role is crucial for ensuring the quality, reliability, and performance of our hardware throughout its lifecycle.

Job Responsibilities**

* Design, develop, and implement automated test software for new product introduction (NPI), primarily using VB.NET, C#, Python, or similar object-oriented programming languages.
* Develop and maintain test frameworks, libraries, and tools to streamline the test development process and improve efficiency.
* Collaborate closely with other development engineers in Ottawa and Shenzhen.
* Debug and troubleshoot complex software issues, identifying root causes and implementing effective solutions.
* Perform software verification and validation, including unit testing, integration testing, and system-level testing.
* Participate in design reviews and code reviews to ensure adherence to best practices and quality standards.
* Continuously research and evaluate new test technologies, tools, and methodologies to enhance test capabilities.

Job Qualifications**

* Bachelor's or Master's degree in Electrical Engineering, Computer Engineering, Computer Science, or a related technical field.
* 2+ years of experience in test software development, preferably in a manufacturing or R&D environment.
* Strong programming skills in VB.NET, C#, Python, SQL, etc.

* Additional skill set on AI tool is a plus.
* Experience with test equipment automation and instrument control
* Familiarity with various communication protocols (e.g., SCADA, PLC, GPIB, USB, Ethernet, RS-232).
* Experience with software development methodologies (e.g., Agile, Scrum).
* Knowledge of optical and photonic components, systems, or test methodologies is a plus.
* Excellent problem-solving, analytical, and debugging skills.
* Require written and verbal communication skills in English.
* Ability to work independently and as part of a cross-functional team in a fast-paced environment.

We are an equal opportunity employer and value diversity at our company.

We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment.

Please contact us to request accommodation.

Frequently Asked Questions

Is the salary disclosed for the Test Software Development Engineer position at lumentum?
The salary for this Test Software Development Engineer role at lumentum is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Test Software Development Engineer position at lumentum located?
This Test Software Development Engineer role at lumentum is based in Thailand - Pathumthani, Thailand - Pathumthani (Navanakorn). The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Test Software Development Engineer role at lumentum full-time or part-time?
This is listed as a Full time position. It is posted as a Test Software Development Engineer role in the Lumentum International (Thailand) Co. Ltd. department at lumentum.
Which team or department does the Test Software Development Engineer at lumentum belong to?
This Test Software Development Engineer position is part of the Lumentum International (Thailand) Co. Ltd. department at lumentum. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Test Software Development Engineer position at lumentum?
Click the "Apply Now" button on this page. You will be redirected to lumentum's official application portal hosted on workday where you can submit your application directly.
When was the Test Software Development Engineer job at lumentum posted?
This Test Software Development Engineer position at lumentum was posted on Sep 4, 2026. Apply as soon as possible โ€” early applications are often reviewed first.
Test Software Development Engineer
lumentum
Apply for this role โ†—

You'll be redirected to lumentum's official application page on Workday.