Your Role
We're not just looking for someone who can write lines of code; we're seeking an individual who can think beyond code and question the \"why\" and \"how\" behind our software engineering processes while understanding the importance of our connection to our customers. As a Firmware Engineer (m/f/d) at STABL Energy, you will drive innovation, solve complex challenges, and contribute to the success of our groundbreaking projects.
Your mission
- Design, implement, and test firmware for our cutting-edge power electronics products.
- Continue to implement new ways of assuring firmware quality.
- Collaborate with cross-functional teams to define project requirements and objectives, with a keen focus on meeting and exceeding customer expectations.
- Evaluate and optimize existing firmware code to enhance performance, reliability, and efficiency.
- Mentor and guide junior engineers, fostering a culture of continuous learning and improvement.
- Promote best practices in software engineering, emphasizing the importance of a holistic approach beyond just coding and its direct impact on customer satisfaction.
Your profile
- 4+ years of experience in firmware development for power electronics or other embedded systems.
- Comprehensive skills in the C programming language, in particular for embedded devices.
- Expertise on guiding firmware projects to professional standards.
- Strong problem-solving skills and the ability to think critically about software design and architecture.
- Proven ability to design and maintain robust firmware development ecosystems, including build infrastructure, modular frameworks, testing pipelines, and scalable release processes.
- Excellent English communication skills, with the ability to collaborate effectively with cross-functional teams and translate customer needs into technical solutions.
- You have interest and experience with a few of the following:
- Real-time operating systems (RTOS).
- Communication protocols such as SPI, UART, and CAN.
- Microcontroller architectures.
- Continuous integration (CI).
- Testing strategies.
- Product releases and versioning.
- Build systems (e.g.make,CMake).
Why STABL Energy?
STABL Energy is one of the most innovative start-ups in the energy transition, ees Award winner 2022, pv magazine award winner 2025 and named aglobal Top100 Energy Start-up. We are funded by renowned and experienced Tech VCs from Germany, Denmark and Switzerland. What you’ll love about working with us:
- Agile, open & innovation-driven culture with flat hierarchies, quick decision-making processes and real ownership
- Company pension scheme to support you plan for the future
- Flexible working hours, a hybrid work model, and the option to work remotely from abroad
- Digital meal vouchers with Circula Lunch - enjoy tasty lunches on us!
- Monthly benefit in kind to spend at your favourite stores
- Corporate benefits portal with exclusive employee discounts
- Regular team-building activities and team events
- Company EGYM Wellpass membership to train with no limits at numerous fitness clubs across Germany