(Senior) Software Engineer (f/m/x)

Who we are

Founded in 2019, Marvel Fusion is Europe’s leading fusion energy company, uniting 75 scientists, engineers, and entrepreneurs across our locations in Munich and Colorado .

Backed by over €385 million in public and private funding, we’re driven by a shared mission: to deliver clean, abundant energy to the world.

Why Marvel Fusion

By joining us, you will be:

• Solving one of the most complex technological challenges known to humanity, harnessing Fusion on Earth
• Part of a highly purpose-driven team working on providing the world with clean, safe and abundant energy
• Working alongside world-leading scientists and entrepreneurs in the field of Fusion
• Part of a start-up where growth on a company and individual level is the default

As a Software Engineer you will develop the software backbone of our laser facility. You will work at the intersection of complex, time-critical hardware and modern software technologies, building robust applications, services and tooling for automated development, testing and deployment. You will collaborate closely with engineers and scientists who develop and operate high power laser systems. Your work will be critical to achieving stable, repeatable and safe laser operation on the path to commercial fusion energy.

Your responsibilities

• Design, develop and maintain software applications and services for laser facility operation, data handling and automation
• Build and support CI/CD pipelines, testing frameworks and deployment tooling
• Elicit and manage technical requirements together with engineers and scientists
• Collaborate on, and continuously improve, the architecture and technology stack
• Define and document functional specifications, test plans and acceptance criteria

What you bring

• Bachelor's or Master's degree in Computer Science, IT or a related Engineering field
• 3+ years of hands-on industry experience in software development (backend, systems or application development)
• Strong programming skills in languages like C++, Python, Java, C#, Kotlin, Rust or similar
• Solid grasp of modern software development practices, processes and tools (CI/CD, Git, automated testing, etc.)
• Experience working in a software development team following established practices and processes
• Fluent English; German proficiency is welcome
• Flexibility, adaptability and a hands-on, can-do attitude

What sets you apart

• Experience with development of distributed systems
• Experience interfacing software with hardware (PLCs, embedded systems, instrumentation)
• Experience with EPICS (epics-controls.org) or other control system frameworks
• Experience working with scientific facilities like laser laboratories, accelerators, etc.
• Understanding of real-time concepts and industrial interfaces such as EtherCAT, Modbus-TCP, and serial protocols

What we offer

Our mission is motivation enough for many. But we also support our team with benefits that foster wellbeing and growth:

• Public transport reimbursement
• EGYM Wellpass fitness club access
• Complimentary health insurance
• Professional development support
• Healthy office snacks

For more information on how we process your application data, please review our privacy notice .