Senior Software Engineer

Vaisala; Helsinki; On-site; EUR 90,000 - 120,000; Full time

Job summary

Vaisala is seeking a Senior Software Engineer in Helsinki to join our Industrial Measurements software team at Vaisala's headquarters in Vantaa, Finland. You will design and implement embedded software for high-precision measurement instruments and collaborate with a cross-disciplinary team.

You will work with ZephyrOS and C/C++ in a role that emphasizes ownership of features and end-to-end delivery, contributing to smarter HVAC and energy-efficient buildings.

Qualifications

• Strong experience in embedded software development, ideally in industrial or instrumentation products.
• Excellent programming skills in C/C++, and experience with embedded operating systems. Hands-on experience with ZephyrOS is a strong plus.
• Ability to work independently and take ownership of complex development tasks, while collaborating effectively with other engineers and scientists.
• Curiosity and a growth mindset to actively explore and apply AI tools in daily work; hands-on AI usage is a strong advantage.

Responsibilities

• Design and implement embedded software for measurement devices using ZephyrOS and C/C++.
• Contribute to the development and evolution of the shared software platform.
• Take end-to-end ownership of features and modules in mostly independent project setups.
• Participate in code reviews, testing and troubleshooting to ensure reliable, industrial-grade products.

Skills

Embedded software

C/C++

Independent work

Tools

ZephyrOS

Embedded OS

Job description

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Senior Software Engineer

Location: Helsinki, FI

We are looking for a Senior Software Engineer to join our Industrial Measurements software development team at Vaisala headquarters in Vantaa, Finland. Join us to take real ownership of challenging embedded development helping turn accurate HVAC measurements into smarter control and more energy-efficient buildings.

Vaisala is a global leader in measurement instruments and intelligence helping industries, nations, people, and the planet to thrive. From predicting hurricanes to optimizing renewable energy production, our technology is used where it matters the most – from data centers, windfarms and laboratories to airports, the Arctic and even the surface of Mars. For a second year running, Vaisala got recognized in TIME Magazine's World's Best Companies in Sustainable Growth 2026 study. Our team of close to 2,500 experts and 62 nationalities around the world is committed to taking every measure for the planet. Driven by our shared purpose, curiosity, and pioneering spirit, we stay ahead and make a difference. At Vaisala, you don't have to fit in to belong.

• You get real ownership and independence in your work, with skilled and supportive colleagues around you whenever you need sparring
• You can shape new technologies that end up in demanding real-world HVAC and building automation use, not just in prototypes
• You get to work in a small, senior team where you can focus deeply, take real ownership, and help create solutions for smarter, more energy-efficient buildings

What's your role?

You will be part of our Industrial Instruments software development team of strong professionals. Together with the team, you will have an excellent opportunity to design and develop embedded software for our high-precision measurement instruments. In this role you will be working in close co-operation with other software engineers, mechanical and electronic engineers and software developers. You will report to Development Manager.

Your responsibilities include:

• Design and implement embedded software for our measurement devices using ZephyrOS and C/C++
• Possibility to contribute to the development and evolution of our shared software platform
• Take end-to-end ownership of features and modules in mostly independent project setups
• Participate in code reviews, testing and troubleshooting to ensure reliable, industrial-grade products

What will you bring?

• Strong experience in embedded software development, ideally in industrial or instrumentation products
• Excellent programming skills in C/C++, and experience with embedded operation systems. Hands-on experience with ZephyrOS is a strong plus
• Ability to work independently and take ownership of complex development tasks, while collaborating effectively with other engineers and scientists
• Curiosity and a growth mindset to actively explore and apply AI tools in your daily work. Hands-on experience using AI to improve workflows, accelerate development, or solve practical engineering challenges is a strong advantage.