
Level: Junior (Level 2)
Location: Västerås, Sweden (100% on-site – no remote work allowed)
Scope: Full Time (100%)
Period: 2026-06-15 to 2026-12-31 (Extension possible)
Language: English (fluent in both spoken and written – mandatory)
Application deadline: 2026-05-26
We are hiring an Embedded Software Engineer – (R&D) for one our clients in Västerås. In this role, you will develop real-time embedded software for substation automation products, focusing on determinism, performance, and reliability. You will work in a cross-functional Scrum team, contributing to both new development and improvements on platforms running Real-Time Linux (PREEMPT_RT) and/or FreeRTOS.
Develop and optimize real-time embedded software on Linux and RTOS platforms
Implement software based on specifications and technical proposals
Drive software quality through test automation and code reviews
Analyze and improve resource utilization, latency, jitter, and scheduling
Debug issues across RTOS/kernel, application, and hardware layers
Participate actively in Scrum ceremonies and collaborative development
Must-Have Requirements
2-6 years of work experience within the relevant field and a bachelor or master’s degree, or
another technical degree with 10-15 years of work experience within relevant field.
Strong proficiency in C/C++ for embedded systems
Experience with real-time embedded systems using Real-Time Linux and/or FreeRTOS
Understanding of scheduling, interrupts, synchronization, concurrency, Ethernet, and CAN communication
Good teamwork and communication skills
Fluent in spoken and written English (mandatory)
Valid SSG-Entré certificate
Ability to work 100% on-site in Västerås
Nice to Have
Experience in substation automation or power systems domain
Knowledge of MCUs, SoCs, and low-level hardware interfaces
This Position is Sponsored by Sperton Global, a recruitment and consulting company with an international reach. We are committed to helping our clients achieve success in their hiring processes, finding the right people for the right positions.

SPERTON is a full-range provider of Global Recruitment, People Management, Global Mobility and Business support services within focused industry sectors. Our head office is located in Norway. We have over 20 years’ of experience supporting clients within the Human Resources area. We can support you globally through our own companies and partners in more than 140 countries.
Sperton had been specializing in the supply of the very best freelance and permanent white-collar professionals working with projects. We provide consultant and recruitment services to companies of all types and sizes, including consultancies, contractors, sub-contractors, developers and end clients operating across a wide range of projects and environments.
Now our services also include People Management, Global Mobility and Business Support Services.
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With over 20 years of global experience within project execution, we understand your challenges and know how to support you from the start to the end of the project.