Software Developer, Backend/Fullstack
Wartsila
Location
Helsinki, Vaasa, or Turku (hybrid)
Type
Full-time
Posted
Dec 18, 2025
Mission
What you will drive
As a Software developer, backend/Full stack, you will play an important role in the development of our new B2B customer portal, which is the principal digital touchpoint for our global customer base.
- Work hands-on with a talented team of experienced developers
- Ensure that our architecture, databases, back-end logic and APIs enable the new portal to meet its commercial goals
- Work as part of skilled Platform Engineering and Developer Services team with diverse expertise
- Deliver working software which helps Wärtsilä achieve our business goals
Impact
The difference you'll make
This role contributes to Wärtsilä's purpose of enabling sustainable societies through innovation in technology and services, helping transition the world towards a decarbonised and sustainable future by shaping the decarbonisation of marine and energy industries.
Profile
What makes you a great fit
- Several years of experience in back-end software development
- Strong skills in technologies such as Node.js, TypeScript, AWS CDK (must have), AWS, Azure (advantage), DynamoDB, PostgreSQL, Docker
- A proactive attitude, taking ownership of your work and working well with others
- Ensure best practices in software development to support long-term growth
- Excellent language skills, fluent written and oral English
Benefits
What's in it for you
We at Wärtsilä believe in empowerment, ownership and taking responsibility of our work. We support each other's growth, and co-creation is the true basis of our innovation. We have courage to see opportunities and take initiative. We are authentic and honest, and we strongly believe in that by being your own true self you can accomplish so much more. We want everyone to voice their opinions freely. That is why we have built an environment that empowers you and everyone around you, and where you can feel safe and cared for.
About
Inside Wartsila
Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets, with a purpose of enabling sustainable societies through innovation in technology and services. The company aims to transition the world towards a decarbonised and sustainable future.