Embedded Firmware Developer (Agri-Tech / Sensor Systems) (m/f/d)

Who are we?

At Stenon, we are on a mission to democratize soil data. As the global market leader in real-time soil analytics, we empower farmers with actionable insights to improve yield, crop quality, and soil health while reducing costs and environmental impact.

To advance our next generation of soil sensing technology, we are looking for an Embedded Firmware Developer who can build the on-device software that turns hardware measurements into reliable data directly from the field.

Position

As an Embedded Software Engineer / Firmware Engineer , you will take ownership of Linux system development and microcontroller firmware for our soil sensor platform, and work closely as part of our Device Engineering Team. You will implement, optimize and maintain embedded Linux components alongside robust firmware for microcontrollers, ensuring reliable operation across the full device stack.

Your work will involve interfacing SOC/SOM with our boards hosting different sorts of sensor, managing data acquisition, and enabling reliable communication between distributed system components under harsh outdoor conditions.

You will collaborate with hardware, firmware and backend/cloud teams to bring integration concepts from prototype to production-ready devices. This includes ensuring stable system behavior, reliable Linux system image and firmware boiling down to robust device functionality. You will implement a robust Linux image as well as microcontroller firmware update mechanism. And with the use of Python, you will simplify complex problems.

Tasks

You will

• Develop and maintain embedded Linux systems using Yocto for ARM-based platforms (e.g. Raspberry Pi and similar SBCs)
• Configure, extend, and debug Yocto build environments, layers, and recipes
• Support and improve Linux-based system bring-up and debugging on new hardware
• Interface embedded Linux systems with microcontrollers
• Write firmware that runs on ARM Microcontrollers (e.g. STM32)
• Support on hardware related software development using Python
• Develop tooling for automation, testing, deployment, and diagnostics
• Collaborate closely with hardware, firmware, and backend/cloud teams
• Participate in code reviews and contribute to improving system architecture and maintainability

Requirements

You have

• Solid experience with Linux Distributions
• Practical experience with the Yocto Project (building images, modifying recipes, working with layers)
• Experience with ARM-based embedded platforms (Raspberry Pi or similar SBCs)
• Expert embedded C/C++ knowledge for firmware development
• Experience working with microcontrollers (e.g. STM32, ESP32, or similar)
• Hands-on experience with hardware interfaces (GPIO, UART, SPI, I2C, etc.)
• Good knowledge of Python
• Experience using Git and collaborative development workflows
• Ability to debug complex issues across hardware/software boundaries

Nice to have

• Experience with Buildroot or alternative embedded build systems
• Familiarity with Docker and CI/CD pipelines in embedded environments
• Experience with MQTT or IoT communication stacks
• Exposure to kernel configuration, driver basics, or device tree customization
• Experience with OTA updates or embedded system provisioning
• Use of debugging tools like logic analyzers or oscilloscopes

Benefits

What we offer

• Real-World Impact: Design hardware that goes directly into the hands of farmers, solving global food production and climate challenges.
• Ownership & Growth: A key role in a fast-growing scale-up where you own your area of responsibility with flat hierarchies and fast decision-making.
• Collaborative Culture: Work in a highly productive, international team that values hands-on development and mutual support.
• Year-End Break: Enjoy a paid company-wide closure between Christmas and New Year to recharge and spend time with loved ones.
• Seamless Commuting: Choose between an ABC Berlin/Potsdam travel pass or a Deutschland-Ticket to keep you mobile.
• Team Spirit: Annual company retreats to warmer climates (last year we went to Gran Canaria), regular social events, and a fully stocked kitchen with coffee, tea, and snacks.

Why us?

We are changing how farmers understand and manage their soil—moving from lab-based analysis to real-time insights directly in the field. We value transparency, ownership, and continuous improvement, and we believe great products come from teams that respect and support each other.

We set high standards, reward performance, and foster a positive, constructive feedback culture.

Interested?

If you are ready to tackle the challenge of making complex soil data instantly accessible and actionable for farmers worldwide, we want to hear from you.

Send us your application (CV or LinkedIn).

If you have any questions – we're happy to help.

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Posted Nov 01, 2026