Wärtsilä is a pioneering technology company in the Marine and Energy sectors, dedicated to enabling sustainable societies through innovative technology and services. We are seeking a Product Developer passionate about crafting exceptional user experiences and turning complex data into intuitive applications. If you enjoy building modern web applications and want to work across the full stack, this role is for you.

The Role

As a Product Developer, you will:

• Shape user experiences for products used globally.
• Participate in feature development using TDD and continuous integration.
• Design and develop modern, responsive web applications.
• Transform complex operational data into meaningful visualizations.
• Collaborate with product owners, UX designers, and backend developers.
• Contribute to frontend architecture and development best practices.
• Ensure high performance, accessibility, and usability of applications.
• Take ownership of solutions from development to deployment.
• Continuously improve products through user feedback and innovation.

Requirements

• Bachelor's or Master's degree in Computer Science or related field, or 3+ years of relevant experience.
• Strong experience in modern frontend development with TypeScript, React, and web frameworks.
• Knowledge of Cypress and/or Gherkin.
• Passion for creating intuitive user experiences and high-quality interfaces.
• Experience integrating frontend applications with APIs and backend services.
• Familiarity with software engineering best practices.
• Understanding of Agile methodologies and teamwork.
• Strong problem-solving skills and proactive mindset.

Nice to Have

• Experience with backend technologies such as Java or Python.
• Familiarity with cloud-native development, Docker, Kubernetes, and AWS.
• Experience with data visualization and real-time data applications.
• Knowledge of Kafka or event-driven architectures.
• Understanding of UX design principles.
• Experience with industrial communication protocols like OPC-UA, Modbus, or NMEA.

What We Offer

• Opportunity to build impactful products in energy and marine industries.
• Work on meaningful projects contributing to sustainability.
• Own features end-to-end and see the impact of your work.
• Collaborate with talented colleagues across various domains.
• Grow your skills in a modern technology environment.
• Enjoy a culture of trust, ownership, learning, and innovation.

Interested? We would love to hear from you. Apply through our careers portal and become part of a team that's shaping the future of marine and energy technology. Welcome to join us in shaping the decarbonisation of marine and energy.

Last application date: 31/07/2026

At Wärtsilä, we value diversity and inclusion, allowing everyone to be their true self and succeed based on their merits. Note that a security check may be required for candidates considered for this position, depending on the applicable country.

This is Wärtsilä. We are a global leader in innovative technologies for the marine and energy markets, with over 18,300 professionals across 230 locations in 77 countries.