Our Campaigns & Rewards – Product Development team in Malaga is growing, and we are now looking for a Backend Software Engineer to join! Engagement at Betsson Group ensures our customers come back for more. It’s all about loyalty. We provide a world‑class customer experience beyond the gameplay featuring tournaments, dynamic personalized campaigns, and much more. 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. Drive performance, reliability, and observability initiatives. Lead containerization and cloud migration strategy. Participate in architecture discussions and help shape technical decisions. 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 technologies. Languages & Frameworks

C# Databases:



SQL Server, Redis, Couchbase Experience with relational or document databases, including indexing and query optimization, is a strong plus. AWS & Docker

Experience with any major cloud provider or containerization platform is valuable. Testing & Quality xUnit, NUnit, Mocking frameworks k6 for load testing Understanding unit, integration, and performance testing is more important than specific tools. Additional Tools & Practices

Messaging & Microservices: Web APIs, Orleans (any messaging or actor‑based system is valuable) Observability: Grafana, Loki, Splunk (other observability stacks are also welcome) CI/CD: GitHub Actions, trunk‑based development (familiarity with continuous delivery pipelines and deployment strategies is more important than specific tooling) Actor model, Distributed systems at planet scale Ways of Working: DevOps mindset What we offer

25 working days of paid vacation Private health and life insurance Adaptable 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

📌 Backend Software Engineer (Madrid)
🏢 Yay-Yay Events
📍 Madrid