Are you an Embedded Software Engineer who wants to help shape the future of green energy?

Hagal is a Norwegian smart battery scale-up, developing disruptive technology that expands the lifetime of new batteries and gives used batteries a second life. We provide eco-friendly battery systems for stationary energy storage and intelligent energy management solutions, enabling energy efficiency and emission-free operations.

At Hagal, we are guided by our core values of innovation, integrity, transparency, excitement, and empowerment. With a team of over 30 dedicated employees, we are scaling up and building an international footprint. Our goal is to drive the energy transition and contribute to a net-zero future.

What will your duties be?

Design, develop, and maintain embedded software for Battery Management Systems (BMS) for Battery Energy Storage Systems (BESS) applications.
Write efficient and reliable code for embedded systems, ensuring compliance with coding standards and technical specifications.
Test and debug embedded software for optimal performance and functionality.
Troubleshoot issues related to software functionality, performance, and integration in the lab.
Collaborate with hardware engineers to ensure seamless software and hardware integration.
Document embedded software architecture, design, and test procedures and results.
Stay updated with the latest trends in embedded software development and Battery Management Systems (BMS) and Battery Energy Storage Systems (BESS) applications and technologies.

What makes you the perfect candidate?

Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related field.
Solid experience in embedded software development, preferably in BMS or energy storage systems.
Proficiency in programming languages such as C, C++, Python, and familiarity with embedded software development tools.
Strong understanding of real-time operating systems and low-level hardware interfaces.
Experience with communication protocols (SPI, I2C, Modbus, CAN).
Familiarity with software development methodologies, version control systems, and issue tracking tools.
Experience with measurement and analysis tools like oscilloscope and logic analyzer.
Excellent problem-solving skills and attention to detail.
Effective communication and collaboration skills for working in cross-functional teams.
Ability to work independently and take ownership of assigned tasks.
Knowledge of battery technologies and energy storage systems (nice to have).

What technologies and methodologies do we currently use?

Programming languages: C, C++, Python, Go
MSP430, ARM Cortex-M4 and real time operating systems (FreeRTOS)
Git, GitHub, Ninja build system
TDD, continuous integration, and Scrum

Who will you work with?

You will collaborate closely with a team of hardware and software developers.
You will also interact with product managers and system engineers to understand customer requirements and ensure the successful implementation of embedded software solutions.
Additionally, you may engage with external stakeholders, such as industry partners or clients, to gather feedback and ensure alignment with their needs.

What will you get in return?

Challenging and meaningful work
The opportunity to be part of an international growth journey
A job where you contribute to the green shift in the energy sector
A job where your ideas and initiatives can make a big difference
An opportunity to be the central driver toward automated assembly
An international work environment
Competitive pay and benefits, including pension and insurance
Flexible working hours
Excitement and fun team social happenings and events. We celebrate our successes
Equal opportunities and an inclusive environment
Extended national holidays – weeklong Easter and Christmas holidays

Good to know

Start date: as soon as possible
Location: Oslo as primary location, but some work will be expected to be done in Hokksund when necessary
Our working language is both Norwegian and English

Entheos Energy

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Embedded Software Engineer at Hagal