Leader in Materials, Networking, and Lasers for the Industrial, Communications, Electronics & Instrumentation Markets
Position Overview
Are you a problem-solving developer who takes pride in writing clean, dependable code? Join Coherent in Järfälla, where you’ll contribute to building software that powers cutting-edge optoelectronics research and high-volume manufacturing.
About Coherent
Coherent Corp. is a world-renowned photonics and optoelectronics company, with operations across 73 locations in 18 countries.
Our Järfälla site focuses on designing and producing advanced fiber-optic communication chips. These components support everything from local data centers to long-distance telecom infrastructure—playing a vital role in enabling cloud services, 5G technology, and AI-driven innovations.
With over 330 engineers, technicians, and operators on site, our mission is to lead the industry through continuous innovation and high standards of quality.
Your Role
You’ll be part of a tight-knit, expert team responsible for maintaining and enhancing the software systems that support our production processes. Your typical tasks will include:
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Developing internal tools such as our MES, chip-testing systems, and service-maintenance software
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Designing, implementing, testing, and maintaining databases and backend systems
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Creating CI/CD pipelines and driving automation throughout the production environment
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Collaborating with R&D, process engineers, and operations to design new or refine existing solutions
Our Tech Environment
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Languages & Frameworks: C#, .NET / .NET Core
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UI: WPF and/or Blazor
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Databases: SQL Server (advanced design and querying), Entity Framework, Dapper, and optionally RavenDB or similar document databases
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DevOps Tools: Azure DevOps and CI/CD pipelines
What You Bring
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A Bachelor’s or Master’s degree in Computer Science, Engineering Physics, or related field
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5+ years of experience with C# and software development
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Strong skills in software architecture, debugging, and design
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Fluency in English; Swedish is a plus
What Our Team Says
“Every day, I get to collaborate with brilliant, driven developers. It’s incredibly satisfying to see our work have a direct impact on improving the entire organization.”
— Tomas Jonsson, Manager, Software Systems Engineering
“When I joined Coherent, I immediately felt like I’d found my place. Great colleagues and truly engaging work.”
— Mikael Gustavsson, Senior Software Developer
Why Choose Coherent?
At Coherent, you’ll be immersed in pioneering technology within a collaborative and inclusive environment. Our Järfälla location blends global innovation with a strong local team spirit.
What We Offer
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Access to cutting-edge technologies and meaningful projects
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A diverse and international work environment
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Opportunities for both technical growth and leadership roles
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A workplace culture grounded in our ICARE values: Integrity, Collaboration, Accountability, Respect, Enthusiasm
Our Culture in Practice
We are committed to living our values:
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Integrity – Build trust through honesty and transparency
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Collaboration – Share ideas to fuel innovation
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Accountability – Take responsibility for both processes and results
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Respect – Appreciate everyone’s contributions
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Enthusiasm – Bring energy and purpose to your work
Job Details
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Start Date: As agreed
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Location: On-site in Järfälla
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Position Type: Full-time
Interested?
We’d love to hear from you! Submit your CV and a short cover letter via our recruitment platform.
Please note: Reference and background checks are part of our hiring process.
About Coherent
Coherent is a global innovator in lasers, advanced materials, and networking components. As a vertically integrated manufacturer, we serve a wide range of markets—including industrial, telecommunications, defense, life sciences, semiconductor equipment, and consumer electronics. We offer long-term career growth, a stable work environment, and competitive compensation.
Join Us and Make an Impact!