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# Test Development Engineer

- **Company:** Coherent, Inc.
- **Location:** Santa Clara, CA, United States
- **Experience:** Experienced
- **Salary:** $100,000.0 - $135,063.0
- **Contract:** Permanent contract
- **Skills:** Testing (Software), .NET Framework, Test Suite, Data Analysis, C Sharp (Programming Language), C++ (Programming Language), Computer Programming, Data Transmissions, Digital Data, Python (Programming Language), MATLAB, Machine Learning, Visual Basic .NET (Programming Language), Systems Development Life Cycle, Proprietary Software, Signal Processing, Software Engineering, Software Systems, System Programming, Multithreading, Software Coding
- **Published:** September 6, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3379518688&tx=HT7872TYD&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

* Bachelor's or Master's degree in Engineering, with a strong foundation in Digital Signal Processing.
 * 2-4 years of experience in code development using C/C++, C#, .Net, Python, MATLAB, with specific experience in signal processing for high-speed data communications.
 * Experience with PAM4 signal processing is considered an advantage but not required.
 * Demonstrated proficiency in applying signal processing techniques to high-speed data communications.

Skills

 * Advanced programming skills in .NET languages and Python, with a specific focus on digital signal processing and analysis.
 * Proficiency in data analysis and experience with hardware interfacing, SDLC, multi-threaded programming, and system programming & integration.

Strong understanding of high-speed digital data concepts and signal processing techniques, with the ability to apply these skills in the development of cutting-edge transceiver technology

## Description

* Develop software solutions for signal waveform pre-processing, analysis, and post-processing, using a variety of signal types, including PAM4, to compute critical performance metrics.
 * Develop test software related to test measurement systems for the electrical testing of laser diodes and VCSELs.
 * Design and implement advanced testing and automation methodologies utilizing Image Processing and Machine Learning.
 * Collaborate with hardware and software development engineers to develop test solutions for deployment in a manufacturing setting.
 * Work with cross-functional teams to understand diverse requirements and deliver software solutions for problem-solving.
 * Drive continuous improvement and development of proprietary software for the Finisar test suite, mainly developed in C/C++, VB.Net, C#.Net, and Python., * Sitting for extended periods while working on a computer or conducting meetings.
 * Use of hands and fingers for typing, writing, and handling documents.
 * Occasional lifting of objects or materials up to 20 pounds for administrative tasks.
 * Ability to communicate verbally and in writing.
 * Mobility within the office environment to attend meetings or interact with colleagues.

Safety Requirements

All employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.

Quality and Environmental Responsibilities

Depending on location, this position may be responsible for the execution and maintenance of the ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.

Culture Commitment

Ensure adherence to company's values (ICARE) in all aspects of your position at Coherent Corp.


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