Full Stack Developer

Digital Customer Offering (DCO) is a business function within Fortum Consumer Solutions, where business and technology come together. At DCO, we create superior digital offerings and experiences for our 2,4 million consumer and enterprise customers. We innovate and find new ways to digitalize our offerings and processes. We collaborate closely with our stakeholders and external partners. Through cross-functional collaboration, agility and sustainability focus, we strive to make our customers’ increasingly digital lives easier with our services. We serve clients in the Nordics as well as Poland and Spain.

Are you passionate about technology and eager to make a difference? Learn more about our exciting Digital Customer Offerings team and the impactful work we do here.

About the role

• Main responsibility is the hands on mobile app software development and coding - full stack (front end, back end)
• Low-level design, architecture and follow up of technical implementations
• Contribute in technical and architecture discussions
• Feel comfortable working on both the back-end and front-end of an app and understands the role of infrastructure in everyday tasks.
• Communicate and collaborate actively with different tech- and business stakeholders to understand the key requirements
• Hands-on participate in the software development and coding
• Work closely with colleagues based in the Nordics and in Poland, some travel might occur

This position can be located in Espoo.

About you

• A higher degree in Software Engineering or relevant experience from similar work
• Must have strong and proven experience in the following technologies: React Native, React, Typescript (mobile focus)
• Solid experience with Node.js and Azure backend
• Experience with consumer facing mobile app development iOS and Android, and strongly on React Native
• Good experience with in using these tools: GitHub, Docker, Apollo Studio, some CD/CD tool for example GitHub actions
• Good experience in planning integrations and building microservice architectures
• Good experience with implementing agile development processes and continuous delivery
• Work experience with agile methodology like Scrum or similar
• Very good communication skills 
• We are an international organization, and you must speak and write English fluently

Skills seen as an advantage:

• Strong experience with development AI agent technologies  
• experience in headless ecommerce, utilities, consumer facing mobile development
• GraphQL, SQL, REST API´s, Postgre/Redis/MongoDB and Azure
• Experience in DevOps and CI/CD
• Project management experience and ability to work towards tech strategy and drive the tech initiatives
• Finnish/Swedish/Norwegian speaking

We offer you
At Fortum, we believe in a better future and want to be involved in shaping it. Our workplace is a safe place, both physically and mentally. You will grow with professional colleagues, being trusted and free to challenge yourself. We offer comprehensive benefits, flexible working hours, and hybrid work model to support your productivity, development and wellbeing. We are committed to build diverse teams where everyone feels included and is treated equally.

More information about our culture and benefits can be found here.

Interested?

Don't miss out on this exciting opportunity! Submit your application by 21.05.2026 at the latest. If you have any questions or would like to learn more about the position, feel free to reach out via email to Mikko Linnaluoma at mikko.linnaluoma@fortum.com. We're here to help and look forward to hearing from you!

To be selected for the position, the applicant must go through background clearance and a health examination. 

We are Fortum
Fortum is a Nordic energy company. We generate and deliver reliable energy to our customers and the Nordic energy system while at the same time helping industries decarbonise their processes and grow. Our core operations comprise efficient and best-in-class low-carbon power generation, customer services, and heating and cooling. Fortum’s power generation is already 99% from renewable or nuclear sources with one of the lowest specific CO2-emissions in Europe. We are guided by our ambitious SBTi-validated 
emission reduction targets on our way towards net-zero by 2040. For our ~4,500 employees, we commit to be a safe and inspiring workplace. Fortum's share is listed on Nasdaq Helsinki. fortum.com