Climate & Environment Full-time

Software Developer, Frontend

Wartsila

Location

Helsinki, Vaasa, or Turku (hybrid)

Type

Full-time

Posted

Dec 18, 2025

Mission

What you will drive

As a Software developer, Frontend, 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, creating intuitive digital experiences
  • Help make the portal an outstanding user experience for our global users, both external and internal
  • Work as part of skilled Platform Engineering and Developer Services team with diverse expertise
  • Work alongside Product Owner, Scrum master, designers, developers and other experts to deliver working software which helps Wärtsilä achieve 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 developing digital solutions for marine and energy markets.

Profile

What makes you a great fit

  • Several years of experience in front-end software development
  • Strong skills in technologies such as React, TypeScript, TailwindCSS, microfrontend architecture
  • A proactive attitude, taking ownership of your work and working well with others
  • Ensure best practices in software development to support Wartsila's long-term digital and commercial growth
  • Additional ideal skills: Testing frameworks (Jest, React Testing Library), state management (Redux Toolkit or React Query), CI/CD familiarity, monitoring/observability (Datadog), Python experience, DevOps practices experience

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.