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Kalmar, Sweden💼 Full-time🗓 2026-06-03 → 2026-07-01

Core

Developing next-generation power solutions for Internet, Cloud, and AI infrastructure, focusing on firmware, test software, and software tools.

Role type

Firmware and embedded software engineer

Builds

Firmware for DC/DC converters, test systems, simulation and configuration tools

Domain

Datacenter power systems, electronics, cloud infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

C programming, .NET, C#, Python, database design, firmware development, electronics industry experience

Preferred skills

measurement techniques, Agile methodology

Technologies

C, .NET, C#, Python

Responsibilities

Develop firmware for DC/DC converters, develop software for test systems and simulation tools, collaborate with design teams to refine test requirements, participate in sprint planning, present accomplishments to stakeholders

Seniority

Mid-level, hands-on IC

Rewrite
## Job Summary Do you want to help shape the future of datacenter power systems? Flex Power Modules is looking for a passionate and experienced Software Engineer to join our R&D team. In this role you will be at the forefront of developing next-generation power solutions for the Internet & Cloud infrastructure and AI – focusing on firmware, test software, and software tools. This is a unique opportunity for someone who wants to apply and grow their software development skills in a product-focused company working with cutting-edge technologies and global hyper-scalers. ## Responsibilities You will develop firmware for DC/DC converters. Develop software for test systems, simulation and configuration tools and other tools that support our operations. Collaborate with your team to align past achievements and future activities, ensuring everyone is on the same page. You will actively participate in software team sprint planning sessions. Present your accomplishments and insights to various stakeholders, demonstrating the value of your and the team’s contributions. Collaborate closely with design teams to develop and refine specific test requirements. ## Requirements A complete degree in software or electronic engineering. A few years of hands-on experience in software development. Experience in firmware development in C. Experience in .NET programming and C#. Experience in python programming language and database design. Familiarity with working in an Agile environment, contributing to a dynamic and collaborative team culture. Understanding of measurement techniques and previous experience in the electronics industry is advantageous. Fluent Swedish and English, both verbally and in written. ## Benefits A role at the forefront of technology in AI and data center infrastructure. A chance to influence product development from concept to launch. An innovative, international, and collaborative work environment. Opportunities to work with world-leading companies in cloud and tech.
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