Coherent logo

Test & Development Engineer

Coherent • Ipoh, Perak, Malaysia

hybridfull-time
Posted Sep 16, 2026

**Role & seniority: ** Test software engineer (3+ years experience; fresh graduates may be considered).

**Stack/tools: ** VB.NET; OOP (full OOP design); instrument driver development; basic electronics knowledge; test algorithm development.

**Top 3 responsibilities: **

  • Design and develop automated test software for transceiver modules

  • Implement test software using OOP on an existing system/framework

  • Develop test algorithms, create instrument drivers, execute tests, and document test methodologies

  • Must-have skills:

    • Bachelor’s/Master’s in Electrical/Electronics/Software Engineering (or equivalent)

    • Strong VB.NET and OOP proficiency

    • Basic electronics fundamentals

    • Ability to work with minimal supervision and meet tight deadlines

  • Nice-to-haves:

    • Prior experience in test software engineering (preferred; role allows fresh grads)

    • Experience integrating/test automation with lab instrumentation (implied by instrument driver work)

  • Location & work type: Coherent Malaysia (Ipoh assembly/test site implied); onsite / hybrid / remote per posting (exact arrangement not specified).

Full Description

Primary Duties & Responsibilities

  • •Design and develop test software to transceiver modules
  • •Development of test software with full OOP design over an existing system framework
  • •Create test algorithms, instrument drivers, perform testing and documentation of test methodologies

Job Requirements

  • •Masters/Bachelor's Degree in Electrical/Electronics/Software Engineering VB.NET/Object Oriented Programming (OOP)
  • •Knowledge in Basic Electronics and programming languages
  • •Minimum 3 years working experience in test software engineering or related field. Fresh graduates are welcome to apply
  • •Able to work under minimum supervision with tight datelines

Working Conditions

  • This role is 100% onsite / hybrid / remote

Culture Commitment

Ensure adherence to company’s values (ICARE) in all aspects of your position at

Coherent Corp.

Integrity – Create an Environment of Trust

Collaboration – Innovate Through the Sharing of Ideas

Accountability – Own the Process and the Outcome

Respect – Recognize the Value in Everyone

Enthusiasm – Find a Sense of Purpose in Work

Coherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

Coherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us!

Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.

Coherent Malaysia (formerly known as II-VI Incorporated)  began operations in 2001 through the incorporation of Finisar Malaysia with 300 headcounts, now employs over 3000 employees. Ipoh’s assembly and test site for optical components, transceivers, and wavelength management equipment, remains committed to the expansion of Coherent Corporation, accelerated by the growth of next generation products to meet the increasing demands for network bandwidth and data storage.

Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us!

Test software developmentOOP designVB.NETC#Basic electronicsTest algorithmsInstrument driversTest hardware developmentAutomationOptical transceiver testingWeb applicationsDashboard developmentSystem frameworkData storageNetwork bandwidthmulti-location

Cookies & analytics consent

We serve candidates globally, so we only activate Google Tag Manager and other analytics after you opt in. This keeps us aligned with GDPR/UK DPA, ePrivacy, LGPD, and similar rules. Essential features still run without analytics cookies.

Read how we use data in our Privacy Policy and Terms of Service.