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Salary
≈ $9.5k – $23k per year (Estimated)
Location
In office (Pathum Thani)
Seniority
Junior · 2+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 3, 2026. First seen by Alion on Sep 4, 2026. Lumentum scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Lumentum is an American photonics company separated from JDS Uniphase in 2015 that makes the optical components carrying data through networks and between data centre systems. Its business has been transformed by artificial intelligence build-out: the optical transceivers and laser components that connect accelerators inside a cluster are now in far shorter supply than the networking equipment they plug into. Headquartered in San Jose and listed on Nasdaq, it also supplies industrial and consumer lasers, and it acquired Cloud Light in 2023 specifically to add high-speed transceiver manufacturing capacity for cloud customers.

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.

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