Senior Embedded Developer (m/f/d)

Background

Join Next Level Coffee, the trailblazers behind nunc., our cutting-edge IoT coffee ecosystem. We're on a mission torevolutionize home coffee experiences with our premium products—coffee machine, grinder, app, and more. Launching in 2025, nunc. combines innovation and convenience for coffee lovers everywhere. With strong financial backing and a dynamic team, we're poised for rapid growth. Ready to transform the way the world enjoys coffee?Join us!

So what is the role?

We are looking for a senior embedded developer to strengthen the core of our embedded systems and edge software team. This is a hands-on, high-impact role where you will collaborate with a skilled embedded team to deliver production-grade code and evolve our system architecture, ensuring our connected coffee machines scale reliably from lab to market.

• Actively contribute to the development of our embedded stack, including C++ applications on Linux and STM32 microcontroller firmware in C .
• Collaborate with the team to refine and evolve the system architecture, ensuring seamless integration across HMI , device backend (e.g. grinder control), and middleware.
• Work closely with Embedded Engineers, QA, DevOps, and Product to keep the backlog moving with technical depth and architectural clarity.
• Contribute to the creation of OTA images and update pipelines, ensuring reliable deployment to field devices.
• Participate in architectural reviews, implement critical modules, and make pragmatic design decisions together with the team.

This is the next level you achieve after 6 months:

• You’ve shipped production C++ code into our edge systems and co-delivered an OTA-capable embedded release .
• You’ve accelerated progress in complex components such as communication layers and device control.
• You’ve improved architectural documentation, introduced stronger test-driven development practices , and fostered consistent coding standards across Embedded, QA, and Cloud teams.
• You’ve contributed to technical debt reduction and supported knowledge sharing in scalable C++ and Linux design.

What you need for this role:

• Bachelor’s or Master’s degree in Computer Science, Embedded Systems, or a related field.
• 5+ years of hands-on experience in embedded Linux development using C++ (Yocto experience is a plus, but strong Linux expertise is the priority).
• Experience developing STM32 or other ARM-based microcontrollers in C.
• Python scripting experience is a plus , particularly for tooling, automation, or testing.
• Strong architectural understanding with the ability to implement maintainable solutions.
• Solid experience with Git workflows, CMake or other build systems, system debugging/logging, and versioned release handling.
• Familiarity with OTA concepts and embedded deployment strategies.
• Experience working across multiple teams and software layers (Embedded, QA, DevOps, Cloud).
• Structured, team-oriented, and collaborative.
• Balances architectural awareness with strong hands-on delivery skills.
• Focuses on outcomes over perfection

What we deliver on:

• We want to do great stuff with a great team – this only works with a#nofilter and#nobullshit attitude .
• Huge opportunity to join early stage andbuild a company – you work on our common vision, product and values!
• You are best in class – and are enabled to makebest in class decisions.
• We loveworking visually and with the end result in mind, then get there by building fast and learning fast.
• We love humans, we love coffee and working with the coffee community,from farm to cup.
• Hybrid working - you work remotely, but once a month we meet for 2-4 days in Konstanz, the Alps, or Mallorca.
• Yourhome office setup tailored to your workday needs.
• Fitness programs ,childcare subsidies , ahome coffee supply , and many more benefits await you.

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