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# Senior Embedded Engineer

- **Company:** atmio
- **Location:** Hamburg, Germany
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Computer-Aided Design, LTE (Telecommunication), ARM Architecture, Automation of Tests, Bluetooth Low Energy (Bluetooth), C++ (Programming Language), Code Review, Communications Protocols, Continuous Integration, SolidWorks (CAD), Software Debugging, Memory Management, Embedded Software, Firmware, Hardware Design, Real-Time Operating Systems, LoRaWaN, Universal Asynchronous Receiver/Transmitter, Serial Peripheral Interface, PIC Microcontroller, NB-IoT
- **Published:** May 22, 2026
- **Apply:** https://de.indeed.com/viewjob?jk=a979dc52af311288

## About the Role

Do you have experience in SolidWorks?, Skills & experience you will need

 * Expert-level C/C++ with proven experience delivering embedded firmware to production
 * Solid understanding of RTOS concepts and real-time software architecture
 * Hands-on experience with microcontroller peripherals, memory management, and HW-SW integration
 * Working knowledge of communication protocols (I2C, SPI, UART, LTE-M, NB-IoT, BLE)
 * Comfortable reading schematics and using lab equipment (oscilloscope, logic analyzer)

Great to have

 * Experience with ATEX / Intrinsic Safety (Ex i) design constraints
 * Experience with RF/IoT hardware integration (e.g., LoRaWAN, NB-IoT, LTE-M, BLE)
 * Familiarity with mechanical CAD design (e.g., Fusion360, SolidWorks) to easily align with mechanical engineers
 * Experience with gas measurement devices (methane, ethan, hydrogen)

## Description

* Design, develop, and maintain RTOS-based firmware in C/C++ on ARM Cortex M4
 * Implement communication protocols (I2C, SPI, UART) and IoT connectivity (LTE-M, NB-IoT, BLE)
 * Optimize firmware for ultra-low power consumption and long-term field reliability
 * Build out CI/CD pipelines, automated testing, and code review standards
 * Mentor our junior firmware engineer and collaborate with hardware, electronics, and app teams on commissioning, validation, and debugging

This role is a perfect fit if you...

 * thrive in environments where you have real ownership - not just a ticket queue
 * enjoy elevating an existing codebase rather than starting from scratch
 * like being the person who builds the processes, not just follows them want to make a tangible, positive impact on our planet, * Unlimited Vacation: Take as many holidays as you need - we trust you to recharge when it matters most
 * Flexible Working Hours: Work during the hours that align with your peak performance and lifestyle
 * Mental Health Matters: Access 1:1 psychologist sessions and workshops through our Bloom partnership
 * Professional Growth: Use a dedicated development budget to enhance your skills and career
 * Stock Option Plan: Receive virtual stocks as a reward for your trust, effort, and vision alignment
 * Unite, Recharge, Celebrate: Join in-person team retreats to connect and have fun
 * Explore Germany: Enjoy the Deutschlandticket for flexible public transportation access


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