Backend Developer - Conversion

10% of Europe’s CO emissions are caused by residential heating and energy bills are out of control. Aira is here to change that.
With our intelligent Aira Heat Pump at the heart, we’re making the switch to clean energy-tech easier and more affordable. Helping Europe turn off gas and slashing energy costs one home at a time.
Founded in 2022, and with 1000+ employees and counting, Aira is driving the clean energy revolution by providing homes with modern clean energy-tech solutions such as solar power, battery storage solutions and heat pumps. With a state-of-the-art production facility in Poland, an HQ in Stockholm, Sweden, and hubs across the UK, Germany and Italy, Aira is well on track to install clean energy-tech into 5 million homes by 2034.
About the role
As a Backend Developer, you’ll play a central role in our Conversion team, within Aira’s Acquisition area. The focus of this team is to transform how people discover and embrace clean energy by creating digital experiences that educate, inspire, and simplify the path to sustainable technology, where you will be the driving force behind the team's backend systems that power our mission.
Within the Conversion Team, we inspire website visitors to take the first step toward a greener future—while enhancing Aira’s online brand presence and advancing our mission. Ultimately, we envision providing a seamless online shopping experience, enabling customers to make direct purchases from our website.
What you bring to the team
Solid experience with product-driven software development and agile environments
Experience with Java and Spring Boot
Automated testing at different levels (unit tests, integration tests etc.)

We would also expect you to have experience in at least two of the following areas:
Rapid growth journeys (start-ups, scale-ups, new environments)
Databases (DynamoDB/PostgreSQL)
Event-driven architectures (Kafka)
Cloud DevOps (Docker, Kubernetes, continuous delivery, logging, metrics)
gRPC and protobuf
Terraform
Kanban, Scrum, and/or a combination of both



What is in it for you?
Gain hands-on experience in a fast-growing scale-up, with a supportive and inclusive culture, and career advancement opportunities.
Collaborate with diverse teams across international markets and launch products globally.
Develop and grow personally and professionally in an entrepreneurial-minded environment.
Thrive in a dynamic, solution-oriented culture, tackling challenges and driving meaningful solutions that make a positive impact on the world.
Influence the company's success, with a visible impact on product development and market growth.
Enjoy the flexibility of our hybrid work model and discover our brand-new office at Norra Stationsgatan 93 in Stockholm. Conveniently located near public transport, with Sankt Eriksplan and Odenplanstations just a few minutes walk away

At Aira, we champion next-generation energy as well as diversity and inclusion. We firmly believe that a diverse workforce fosters innovation and creativity, enhancing our ability to serve customers and communities effectively. We welcome individuals from all backgrounds, cultures and perspectives to join our team. Our commitment is to uphold equality and inclusivity, fostering a collaborative environment where everyone can thrive and contribute to a better future for our people and the planet.