Software Engineer - Simulation Platform

WHO WE ARE

Proxima Fusion is Europe’s fastest-growing fusion company and the continent’s best-funded fusion player, as well as the first spin-out from the Max Planck Institute for Plasma Physics (IPP). Backed by over €650M and powered by a growing team across Munich, Zurich, and Oxford, we are developing the hardware and infrastructure needed to deliver the world’s first commercial stellarator fusion power plant.

Our concept advances the most mature fusion technology out there, the Wendelstein 7-X stellarator, through two next-generation machines: Alpha and Stellaris. Our work combines stellarator optimization, advanced computation, machine learning, and high-temperature superconducting magnets to unlock higher-performance designs that were previously out of reach.

Turning these designs into a functioning fusion power plant requires excellence and ownership across every discipline, from physics and engineering to software, manufacturing, law, and business functions.

WHY JOIN PROXIMA FUSION

• You will get to work on some of the most complex tech challenges to bring abundant, safe, clean energy to the world.

• You'll get to join and learn from an exceptional selection of accomplished and driven individuals.

• Do your life’s best work and enjoy the journey.

• Get to show that big things are possible in Europe when you assemble the best talent.

YOUR IMPACT

• Shape the future of Proxima’s simulation platform: imagine and build with us novel solutions for simulation tools that spark joy and reduce time-to-insight

• Accelerate Stellarator R&D, at the company at its forefront: we work side by side with researchers and engineers; innovation in simulation tools immediately boosts Proxima Fusion’s Stellarator design program

WHAT YOU WILL DO

• As a platform engineer, you will design, develop and maintain next-generation software solutions for stellarator simulation and design, targeted to human and agentic use: our team manages the full platform from automation of large-scale simulation workflows, to cloud-based data storage that keeps everyone in sync, to applications that foster cross-domain collaboration and knowledge discovery, including integration of AI tools where they actually provide leverage

• As a forward-deployed engineer, you will work together with our researchers to apply our tools to specific use cases: guide users to make the most of the available simulation tooling and proactively co-develop applications that unblock their R&D program

WHO YOU ARE

• We are seeking a talented software practitioner with a user-first mindset, interested in tackling a diverse mix of challenges: from the optimization of scientific computing workflows to building cloud- and web-based systems for data management, sharing and exploration

• Proficient in Python; familiarity with one or more of the following is desirable but not required: Pydantic, JAX, full-stack web development (React, TypeScript, FastAPI), cloud services and cloud-based applications; data management systems

• You enjoy staying up to date with current software development best practices and tools, e.g. agentic development or modern data pipelines and scheduling solutions

• You enjoy diving into new problems with a continuous learning attitude, absorbing relevant domain knowledge in a dynamic start-up environment

INTERVIEW PROCESS

• Recruiter Interview (30-60 min)

• Technical Screening (30-45 min)

• Technical Panel (3x60 min)

• CEO call (30 min)

*This role sits at "L2" of our framework, please inquire during the recruitment process for further information.

At Proxima Fusion, our mission is bold: making limitless clean energy a reality. To get there, we need a high-performing, diverse team that brings different perspectives, challenges assumptions, and builds together with purpose. We know that diversity of thought and experience leads to better ideas, stronger execution, and a more resilient team. We don’t look at how you identify, what you look like, who you choose to worship or what ethnicity you are. We care about what you can bring to the table.

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