Software Test Development Engineer

Coherent Corp.; Stockholms kommun; On-site; SEK 680,000 - 860,000; Full time

Job summary

Coherent Corp seeks a Software Test Development Engineer to design, build and maintain software for controlling optical testing instruments in an active R&D environment.

You will collaborate with Chip Design, Wafer Fabrication, Process Engineering and Operations to deliver automated test solutions for development and manufacturing.

We value strong OO programming skills (C#, C++, Java) and Python/MATLAB, with up to five years of relevant experience and a MSc/PhD.

Qualifications

• MSc or PhD in Software Engineering, Optoelectronics, Electronics, Engineering Physics, or related discipline.
• Object-oriented programming experience with C#, C++, or Java.
• Experience with test systems, scientific equipment, or similar lab/production environments.
• Experience with Python or MATLAB.
• Experience with data analysis, modelling, simulation, or measurement processing is advantageous.

Responsibilities

• Design and plan new test setups, focusing on software for component control, characterization, and verification.
• Develop and maintain software to control instruments, collect measurements, and process test data.
• Support development and validation of algorithms that automate component control and characterization activities.
• Ensure test processes are robust, reliable, and suitable for development and manufacturing.
• Review, improve, and support release of test software updates in response to product/test spec changes, bug fixes, or deployment needs.
• Analyze measurement data to verify test quality and assist with troubleshooting and root-cause investigations.
• Collaborate with engineering, verification, and manufacturing teams during product development and transition to production.
• Create and maintain documentation for test software, algorithms, and related projects.
• Participate in knowledge sharing on software development practices, library reuse, and optical component characteristics.

Skills

C#

C++

Java

Python

MATLAB

Data analysis

Algorithm development

Education

MSc or PhD in Software Engineering, Optoelectronics, Electronics, Engineering Physics or related discipline

Job description

Job Description

Coherent Corp is the global leader in photonics, designing and manufacturing advanced laser, optical, and materials technologies. Our innovations power semiconductor manufacturing, AI infrastructure, advanced communications, and precision industrial systems worldwide. With a global footprint and cutting-edge manufacturing and R&D, we’re shaping the future of high-tech industries.

Coherent Corp is the global leader in photonics, designing and manufacturing advanced laser, optical, and materials technologies. Our innovations power semiconductor manufacturing, AI infrastructure, advanced communications, and precision industrial systems worldwide. With a global footprint and cutting-edge manufacturing and R&D, we’re shaping the future of high-tech industries.

Software Test Development Engineer

This is a hands-on software engineering role within an R&D environment, focused on building, maintaining and adapting the software infrastructure required to communicate with and control instrumentation for optical component testing. Your work will support early-stage R&D testing and the development of reliable, automated test solutions for use throughout component development and manufacturing. In the role, you will work closely with on-site teams across Chip Design, Wafer Fabrication, Process Engineering, Operations, Quality & Reliability, Verification, and Project Management.

What you will be doing…

• Contribute to the design and planning of new test setups, with a focus on software for component control, characterisation, and verification.
• Develop and maintain software used to control instruments and devices, collect measurements, and process test data.
• Support the development and validation of algorithms that automate component control and characterisation activities
• Help ensure test processes are robust, reliable, and suitable for use during both development and manufacturing.
• Review, improve, and support the formal release of test software updates in response to: Changes to product or test specifications Changes to software and/or algorithm requirements Bug fixes Deployment of test solutions to new sites Test-time reduction initiatives
• Analyse measurement data to verify test quality and assist with troubleshooting and root-cause investigations.
• Work with engineering, verification, and manufacturing colleagues during new product development and the transition into production.
• Create and maintain clear documentation for test software, algorithms, and related projects.
• Participate in knowledge sharing with other team members on topics such as software development practices, library reuse, and optical component characteristics.

About You

• An MSc or PhD in Software Engineering, Optoelectronics, Electronics, Engineering Physics, or a related discipline Up to five years [NR1] of relevant professional experience.
• Knowledge of object‑oriented programming, ideally using C#, C++, or Java.
• Experience with test systems, scientific equipment, or similar technical or lab/production environments.
• Experience with Python or MATLAB.
• Experience with data analysis, modelling, simulation, algorithm development, or measurement processing would be an advantage.
• Experience or knowledge of semiconductor/optoelectronic devices, electronics, industrial automation, or manufacturing test environments [NR2] .
• Comfortable collaborating with colleagues from different technical disciplines and sharing knowledge within a team.

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

We are committed to creating an inclusive and accessible recruitment experience and encourage applications from individuals of all backgrounds.

Please reach out to [e-mail] .

About Us

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!