Senior Elixir Developer (m/f/d)

Overview

We're Building the Future of Industrial Automation — Join Us . We’re a team of engineers pushing the boundaries of embedded Linux and Elixir to power next-gen ultrasonic bonding systems. Our mission: build a robust, secure, and elegant controls platform that scales across a wide range of industrial integration scenarios. If you love clean code, low-level control, and high-level impact - we’d love to talk. You’ll help us build and evolve our platform from the kernel up to the UI.

• Firmware & pipelines for platform services using Linux, Elixir, and Phoenix
• Cybersecurity architecture: SecureBoot, mTLS, artifact signing, PKI, OAuth2, HTTPS
• Full-stack features: from device drivers to HTML/Tailwind UIs
• Team-driven development: pair programming, code reviews, and shared ownership

Your profile

• Has deep experience in software development - you know your patterns, paradigms, and pitfalls
• Is comfortable in industrial automation environments (or curious to dive in)
• Speaks fluent Linux, especially in embedded contexts
• Knows Elixir - or is excited to learn a functional language that scales beautifully
• Appreciates security by design, not as an afterthought

Why us?

• We use modern tools and functional programming to solve real-world problems
• We value incremental delivery, clean architecture, and developer autonomy
• You’ll work with people who care deeply about code quality, security, and craftsmanship
• Numerous benefits such as subsidized lunch, company bike, Germany-wide train ticket, and subsidized gym membership
• We’re nerds too - and proud of it!

About us

We work globally in the most dynamic, challenging and innovative markets. With our technological innovations, we create new trends and set new standards. Our employees are our most important asset - because they are doers, movers, tinkerers, creators and pioneers.

We are energetic, flexible, independent and have the desire to deal with new situations and challenges in a professional and creative way. We are Herrmann.

In short: we like and are looking for people who share our visions and our passion. People who want to make a difference and have ambitious goals. Become a part of Herrmann Ultraschall and let us build the future together!

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