Senior Software Engineer - Embedded Sensor Software

About the role

As a Senior Software Engineer in the sensor software team, you will define, develop and maintain embedded product software. You will work closely with other agile software teams, as well as hardware, manufacturing line and principal engineers, and ensure that software used in medical devices meets applicable requirements and supports regulatory compliance. The position is based in Vallila, Helsinki.

Key responsibilities

• Design and implement embedded software components for hardware control, real-time sensor data processing, device drivers, peripherals, RTOS and communication protocols.
• Develop and maintain software and its automated tests, mainly on Windows, with contributions to Linux-based tooling and environments as needed.
• Apply SDLC Agile/Lean best practices, including software and product security, scalability, documentation and verification and validation aligned with medical device standards.
• Design components using object-oriented principles and design patterns, translating system designs into class and flow diagrams.
• Build robust, efficient, power-optimized, testable and maintainable software.
• Guide and perform functional and performance testing, troubleshooting and debugging on target hardware.
• Collaborate in a global, cross-functional environment and take end-to-end ownership of development tasks, including planning, implementation, testing, quality and documentation.
• Improve development methods, tools, automation and code quality.

Required profile

• Master's degree in computer, electrical, software, biomedical engineering, physics or a related field.
• 10+ years of product software development experience using Agile/Lean methodologies, including documentation and quality practices.
• Experience integrating AI-powered tools into daily software development while keeping quality, cybersecurity, traceability and regulatory compliance.
• Strong C++ skills with object-oriented design and design patterns.
• Hands-on experience debugging embedded systems with logic analyser, oscilloscope and voltage/current measurements.
• Fluent written and spoken English; legally authorized to work in Finland and able to work at the Vallila office at least 3 days a week.
• Desired: familiarity with regulated industries and quality management systems, and experience with vital signs or respiratory and anaesthetic gas measurement technologies.

Required skills

• C++
• Git, code review tools and continuous integration
• Test automation with Python 3 on target hardware and SW testing in simulated environments
• RTOS and embedded systems