The Role
Our Development team in Malaga is growing and we are now looking for a Senior Backend Software Engineer to join! Our Campaigns & Rewards unit 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.
What you'll do:
- 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.
What Tech Stack you'll be working with:
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.
Core Technologies
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)
Additional Tools & Practices
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
What we offer
- 25 working days of paid vacation.
- Private health and life insurance.
- Flexible compensation package for transport, meals, and more!
- Hybrid work policy for the best of office and home.
- Up to 10 days per year working remotely from abroad.
- €300 yearly wellness allowance.
- Office perks to make your day easier.
- Referral program with a bonus for successful hires.
- Intensive summer schedule in August for extra flexibility and work-life balance.
We can also offer you an environment full of ambition and passion. One day is never like the other as the only constant is change, to the better, to the greater. We strive to be the best in whatever field we choose to play on, and we make sure to have fun along the way!
Challenge accepted?
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