Software Developer Power Electronics

We re looking for talented individuals with the skills and vision to build a better tomorrow by safety compliance for emerging verticals of renewable energy like PV inverters, Battery storages and more. Join our R&D team, develop your skills on the job and work at the state-of-the-art products impacting entire cities, countries -craft the things to come.

We are seeking a highly skilled and innovative Firmware Developer to join our team, specializing in PV inverters, hybrid inverters, battery control, DC-DC converters, and emerging power electronics fields. The ideal candidate will have extensive experience in firmware development for power electronics and a strong understanding of control systems and embedded systems. You will be responsible for designing, developing, testing, and maintaining firmware to ensure optimal performance and reliability of our products.

This is your role. What part will you play?

You should have core knowledge of Power Electronic Hardware development

Tasks/ Responsibilities

Responsible for the new and further development of real-time capable embedded software for the control of power electronic circuits of grid-connected inverters and related products with upstream DC/DC converter stages for photovoltaic, battery systems and fuel cell.

Analyze new requirements and create functional specifications.

Create software specifications, software architecture and documentation and perform software reviews, unit and integration tests.

Support with the associated certifications and develop automated tests and associated scripts in order to be able to perform the tests in the Continuous Integration Server.

Be involved in the selection and optimization of hardware components and their support.

Design and implement firmware for PV inverters, hybrid inverters, battery control systems, DC-DC converters, and other emerging power electronics systems.

Develop and optimize control algorithms for power conversion, grid interaction, and energy management.

Collaborate with hardware engineers to integrate firmware with hardware components.

Conduct system-level testing and debugging to ensure firmware functionality and performance.

Maintain and update firmware documentation for future reference and upgrades.

Ensure compliance with industry standards and regulatory requirements.

Perform code reviews and provide constructive feedback to team members.

Stay updated with the latest trends and technologies in PV, hybrid inverters, battery control, DC-DC converters, and emerging power electronics fields.

Support the development of new features and improvements based on customer feedback.

Requirements profile

Expertise

Degree in electrical engineering, technical computer science or in a comparable field of study

5+ years of proven experience in digital signal processing and control engineering

5+ years of proven experience with power electronics

5+ years of proven experience with programming skills in C, especially for hardware-related real-time software

5+ years of proven experience in software engineering (requirements engineering, process models, test procedures, version management)

You have profound knowledge of common scripting languages such as Python

You have strong knowledge of software version management tools (GIT)

5+ years of experience in programming real-time microcontrollers (e.g. TI C2000)

Knowledge of agile methods and DevOps mindset including continuous integration

You work in a structured and independent manner, which is demonstrated by your results-oriented approach and effective time and project management skills

Good communication in English

Bachelors or Masters degree in Electrical Engineering, Computer Engineering, or a related field.

Proven experience in firmware development for power electronics, particularly PV and hybrid inverters, battery control, and DC-DC converters.

Strong understanding of power electronics, control systems, and embedded systems.

Proficiency in programming languages such as C/C++.

Experience with digital signal processing (DSP) and microcontroller programming.

Excellent problem-solving skills and attention to detail.

Strong communication and teamwork skills.

Preferred Skills:

Knowledge of grid-tied and off-grid PV inverter technologies.

Familiarity with communication protocols such as Modbus, CAN, and Ethernet.

Experience with real-time operating systems (RTOS).

Understanding of industry standards and compliance requirements for PV, hybrid inverters, battery control, and DC-DC converters.

Experience with emerging power electronics technologies and applications.

Personal and social skills

Structured and independent way of working.

Openness, ability to work in a team.

High degree of independence and result orientation.

High level of commitment and flexibility.

Good English language skills mandatory.

Interfaces

Interfaces to all other specialist departments in development.

Interfaces to production, service, quality and purchasing.

Technical contact for component manufacturers and suppliers as well as external certification and measurement institutes.