Backend Software Engineer

Are you interested in working on exciting challenges within high transaction environments? We are looking for you who are curious, can take initiative and come up with new creative solutions, and care about ultimately delivering a great product.  

Our Player, Rewards & Gamification- Product Development team in Stockholm is growing and we are now looking for a Backend Software Engineer to join! Player, Rewards & Gamification at Betsson Group ensures our customers come back for more. It’s all about loyalty. We provide a world class customer experience beyond the game play featuring Tournaments, Dynamic personalized campaigns and much more! 

You will be part of preparing our journey to containerization, increasing the scalability of our systems while also maintaining their high quality. To accommodate new requirements, we are constantly re-evaluating our systems design and working on exciting new features.

• →Design and develop distributed backend services using .NET and event-driven architecture.
• →Collaborate with product and commercial teams to turn engagement ideas into scalable, maintainable, and user-friendly solutions.
• →Optimize our microservice ecosystem for performance, reliability, and observability.
• →Drive our containerization and cloud migration strategy forward.
• →Participate in architecture discussions and help shape technical decisions.
  • →For senior engineers: Lead architectural decisions and proactively identify areas for improvement.
• →Write maintainable, well-tested code and conduct code reviews.
• →Participate in incident resolution and the team’s on-call rotation.
• →Maintain clear technical documentation such as ADRs, runbooks, and guidelines.
• →Build and share your domain expertise within the team.

We don’t expect you to know everything listed below – but the more you’re familiar with, the better. What matters most is your ability to learn, collaborate, and write high-quality, maintainable code. 

These are essential to the role, and we’re looking for solid experience here – especially for senior candidates.

• Languages & Frameworks: C#, .NET (modern versions after .NET Core)
• Databases: SQL Server, PostgreSQL, Redis, Couchbase (experience with relational or document databases, including indexing and query optimization, is a strong plus)
• Cloud & Containers: AWS, Kubernetes, Docker (experience with any major cloud provider or containerization platform is valuable)
• Testing & Quality: xUnit/NUnit, mocking frameworks, k6 for load testing (understanding of unit, integration, and performance testing is more important than specific tools)

Familiarity with these of similar tools and concepts is a plus.

• Messaging & Microservices: Web APIs, Apache Kafka, RabbitMQ, Orleans (experience with any messaging or actor-based system is valuable)
• Observability: Prometheus, Grafana, Loki, Splunk (or experience with other observability stacks)
• CI/CD: GitHub Actions, trunk-based development, progressive delivery (familiarity with continuous delivery pipelines and deployment strategies is more important than specific tooling)
• Architecture: Domain-driven design, event sourcing, actor model, distributed systems at planet-scale
• Ways of Working: Agile and Lean principles, DevOps mindset, strong collaboration

Much like a rollercoaster, life at Betsson Group is fast-paced, full of twists and turns, and always exciting. With more than 2,800 colleagues representing over 75 nationalities across a global network of offices - including 1,500 at our operational headquarters in Malta - every day brings new challenges and opportunities to grow. It may not be for the faint-hearted, but if you thrive on innovation, enjoy pushing boundaries and want to be part of a diverse, international team, then you’ll fit right in at Betsson.

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