Backend Software Developer (C# .Net)

Jenoptik is an international photonics group with representatives in over 80 countries. Optical technologies are the foundation of our business. We employ around 4,000 people worldwide.

Join our team and help to shape our future with lasting effect.

We are seeking a skilled and innovative Backend Developer to join our team and contribute to the development of our modern web application using C# microservices. The ideal candidate will have a strong background in software engineering, a deep understanding of microservices architecture, and a passion for building scalable, reliable, and high-performing systems.

Your responsibilities:

• Design, develop, and maintain C# microservices that power our web application.
• Collaborate with the product, design, and frontend teams to understand requirements, and translate them into effective technical solutions.
• Write clean, maintainable, and well-documented code, adhering to industry best practices and our internal coding standards.
• Participate in code reviews and provide constructive feedback to your peers.
• Implement and optimize RESTful APIs, and ensure they are secure, efficient, and easy to use.
• Work with DevOps CI/CD pipelines to deploy and monitor microservices and troubleshoot any issues that arise.
• Continuously improve the performance, reliability, and security of our systems, and stay up to date with the latest trends and technologies in the field.

Your qualifications:

• Bachelor's/master’s degree in computer science, Engineering, or a related field, or equivalent practical experience.
• Proven experience of minimum 5-8 years as a Backend Developer, preferably with C# and microservices.
• Strong understanding of microservices architecture, and experience with distributed systems, message queues, and data persistence.
• Proficient in C#, .NET Core, and related tools and frameworks.
• Experience with RESTful APIs, and knowledge of API design principles and best practices.
• Experience working with GIT, DevOps, CI/CD Pipelines, Test Automation
• Familiarity with cloud platforms (e.g., AWS, GCP, preferably Microsoft Azure), experience with containerization and orchestration (e.g., Docker) is a plus.
• Strong problem-solving, communication, and collaboration skills, with the ability to work effectively in a fast-paced, agile environment.

About Jenoptik

At Jenoptik, people with the specific JENIUS character are changing the world with the power of light. That demands a spirit of exploration and dedication. If you’re one of us, come meet the challenges facing the world. At Jenoptik, we’re creating a better future for all of us.

The Jenoptik Smart Mobility Solutions division offers photonics-based, innovative and sustainable solutions, including technologies and services for traffic safety, public safety and toll control.

For this purpose, Jenoptik develops, manufactures and distributes components, systems and services which contribute towards greater road traffic safety throughout the world.

The product portfolio comprises comprehensive systems relating to all aspects of road traffic, such as speed measurement and red light monitoring systems, OEM (Original Equipment Manufacturer) products and systems for the detection of traffic violations.

Thanks to the digital combination of several sensor technologies with software and data management, Jenoptik is also a new systems supplier for truck toll monitoring on federal highways in Germany.Work with us to ensure that our components, systems and services contribute to making roads and communities safer.

Have we made you interested in this position? If so, we look forward to receiving your online application.Should you need any further information, please do not hesitate to contact us.