Senior Embedded Systems Engineer

Munich — Device

About the Company:

World is a network of real humans, built on privacy-preserving proof-of-human technology, and powered by a globally inclusive financial network that enables the free flow of digital assets for all. It is built to connect, empower, and be owned by everyone.

This opportunity would be with Tools for Humanity.

About the Team:

The Device Org Team at Tools for Humanity is responsible for all aspects of driving the Supply Chain, Manufacturing, Logistics,Physical Security, Field Operational Compliance, and Technical Support of our world-class hardware devices reaching billions of people globally. We are a rapidly growing, highly cross-functional team that strategically partners with industrial design, optics, software, market operations, and the finance teams to define product requirements and execute on development. Join our dynamic team as a Field Operations Lead, and contribute to the operational excellence of our organization. We offer competitive compensation, professional development opportunities, and a collaborative work environment.

*This role is based in our Munich, Germany office.

About The Opportunity:

Tools for Humanity is looking for an Senior Embedded Systems Engineer to help work on developing, testing, and upgrading our flagship hardware devices, including the Orb. This role will work closely with Engineering (AI, Software & Mechanics), Manufacturing, and Industrial Design to create and produce cutting-edge technologies at scale.

Key Responsibilities:

  • Own the development, maintenance, and debugging of embedded firmware used for hardware bring-up, validation, factory test and traceability.

  • Support hardware validation, test coverage improvements, and early design decisions for the hardware team.

  • Design and implement low-level drivers and board support packages (BSPs) for various microcontrollers, sensors and SoCs.

  • Develop test automation, diagnostic tools, and validation firmware to support manufacturing and engineering qualification.

  • Drive hardware/firmware integration and debug issues across electrical and software boundaries.

  • Participate in design reviews and provide input on embedded system architectures and testability.

  • Evaluate, debug, and validate new hardware designs, leveraging oscilloscopes, logic analyzers, and other lab tools.

  • Collaborate with cross-functional teams (mechanical, software, product) to optimize product performance.

  • Author and maintain documentation for mass-production firmware architecture, testing procedures, and validation results

  • Coordinate with software engineers to validate system-level behavior and address hardware/software integration issues.

About You:

  • Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, or related field.

  • 8+ years of hands-on experience in firmware development for embedded systems, with a strong understanding of electronics and hardware-software interactions.

  • Proficiency in C/C++ for embedded systems, with experience developing for bare-metal, RTOS, or Linux-based systems.

  • Experience with Zephyr RTOS, Linux kernel internals, and real-time system design.

  • Familiarity with standard industry tools: oscilloscopes, logic analyzers, JTAG, UART, SPI, I2C, PCIe, etc.

  • Strong debugging skills in both hardware and software domains, including use of low-level debuggers and trace tools.

  • Hands-on experience with microcontrollers, SoCs, and custom board bring-up.

  • Experience developing manufacturing test software, including boundary scan, functional test, and system diagnostics.

  • Ability to work independently on complex projects and take full ownership of deliverables from concept to deployment.

  • Ability to debug complex cross-domain issues (hardware/software) in a fast-paced, iterative development environment.

  • Comfortable working in a start-up or high-velocity team environment, with a proactive, hands-on approach.

Nice-to-Haves:

  • Experience with hardware-in-the-loop (HIL) test systems.

  • Exposure to secure boot, firmware update pipelines, and embedded cybersecurity.

  • Background in camera hardware, ISP tuning, or vision sensor integration.

  • Familiarity with decentralized manufacturing environments.

What we offer:

  • An open and collaborative office space in Munich's Maxvorstadt

  • Unlimited PTO  

  • Monthly Phone Reimbursement or a company device

  • Daily in-office meals 

  • Top-tier medical, dental, vision insurance 

  • Retirement or pension program

The reasonably estimated salary for this role at TFH in Munich ranges from €96,000 - €130,000, plus a competitive long term incentive package, and may include variable compensation. Actual compensation is based on factors such as the candidate's skills, qualifications, and experience.

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Worldcoin participates in the E-Verify Program

Worldcoin is an Equal Opportunity / Affirmative Action employer committed to diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, age, national origin, disability, protected veteran status, gender identity or any other factor protected by applicable federal, state or local laws. Worldcoin is also committed to working with and providing reasonable accommodations to individuals with disabilities. Please let your recruiter know if you need an accommodation at any point during the interview process.

Worldcoin is also committed to working with and providing reasonable accommodations to individuals with disabilities. Please let your recruiter know if you need an accommodation at any point during the interview process.