Backend Developer

Backend Developer (Kotlin)

Want to build the cloud platform that powers digital access for hotels around the world?

Every day, hotels rely on secure digital access to manage guests, staff, and connected services. At ASSA ABLOY Global Solutions in Stockholm, our Hospitality R&D team develops the cloud-native platforms behind there experiences.

We are looking for you, who wants to take ownership, work close to the product, and build solutions used by hospitality customers across the globe. This is an opportunity to make a real impact while working in a collaborative team that values innovation and continuous development.

What you would do as our Backend Developer

You would help design, build, and evolve the cloud-based services that power digital access, permissions, and identity management across our Vostio hospitality platform. Your work would span software development, cloud infrastructure, production operations, and continuous improvement, giving you the opportunity to contribute to a critical product area. You would join a small, high-impact team responsible for the services, APIs, and integrations that enable hotels to manage access rights and user identities securely.

You would also:

• Build cloud-native backend services - Design and develop Kotlin-based services that support digital access, permissions, and identity management.
• Own core platform functionality - Deliver features that enable hotels to manage access rights, user permissions, and authentication capabilities from design through production.
• Build APIs and integrations - Create and evolve APIs, integrations, and microservice-based capabilities that connect products, customers, and internal systems across the hospitality ecosystem.
• Design cloud-native solutions on AWS - Build scalable and resilient services using AWS, automation, and modern CI/CD practices.
• Take responsibility beyond coding - You would be involved in technical design discussions, production support, continuous improvement initiatives, and helping shape how the platform evolves over time.

The skills and experience you need

We are looking for someone with:

• Experience building backend systems in Kotlin, Java, or Golang.
• Hands-on experience designing, deploying and operating solutions in AWS.
• Experience with microservice-based, distributed, or integration-heavy systems, including strong API design skills.
• Knowledge of CI/CD pipelines and modern software engineering practices, combined with a pragmatic engineering mindset.
• The ability to simplify complex technical problems, communicate clearly, and take ownership of outcomes.

Nice to have: AWS services such as Cognito, ECS, SNS/SQS or CloudFormation; experience with SaaS platforms, or access management solutions.

Why developers join and stay

• Small team, meaningful impact. Every engineer contributes directly to product decisions, technical solutions, and delivery.
• End-to-end ownership. You'll work on features from idea through production and see the impact of your work firsthand.
• Modern technology stack. The role focuses on Kotlin, AWS, cloud-native services, microservices, and automation.
• Product-focused development. Work closely with Product Owners and stakeholders to solve real customer challenges.
• Stockholm-based team with global reach, the systems you build are used by hotels around the world every day.

What we offer

We're passionate about providing opportunities and benefits that support your development and long-term success. Here's what we have to offer:

• Learning and career development opportunities, whether through online learning, technical training, or new challenges.
• A competitive salary and benefits package.
• Hybrid working and a collaborative engineering environment.
• The opportunity to contribute to innovative products used by customers around the world.

We review applications regularly, so don't wait

We are building diverse, inclusive teams and encourage applications from everyone who can see themselves working with us. Just set up your profile and apply here.

To make sure your personal data is safe, we don't review applications sent by email or post. If you have any questions about the role or the process, please contact Léa Rein, Senior Talent Acquisition Business Partner, at lea.rein@assaabloy.com .

Depending on the risk profile for the role, a background screening may need to be performed. Final candidates may therefore be subject to a background screening. The performance of a background check is subject to consent and based on our Applicant Privacy Notice.