Backend Software Engineer

Betsson

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.   THE ROLE 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. 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’S IN IT FOR YOU? 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. CHALLENGE ACCEPTED? Check out the Betsson Group Blog to find out what our tech colleagues are talking about. By submitting your application, you understand that your personal data will be processed as set out in our Privacy Policy

Betsson

THE ROLE Our Wallet 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 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? By submitting your application, you understand that your personal data will be processed as set out in our Privacy Policy

Veritaz AB

Veritaz is a leading IT staffing solutions provider in Sweden, committed to advancing individual careers and aiding employers in ensuring the perfect talent fit. With a proven track record of successful partnerships with top companies, we have rapidly grown our presence in the USA, Europe, and Sweden as a dependable and trusted resource within the IT industry. Assignment Description We are looking for a Backend Software Engineer for a short-term assignment What You Will Work On Modernize backend services and data processing pipelines Upgrade applications to the latest JDK, Scala 3.x, and Play Framework 3.x Develop and maintain scalable Java and Scala-based backend solutions Support migration of authentication services from legacy APIs to OAuth-based solutions Build and enhance Spark-based batch processing and migration pipelines Design and implement scalable data migration and transformation solutions Utilize GenAI tools to automate code modernization and dependency upgrades Create reusable tooling, prompts, automation assets, and technical runbooks Extend and improve existing Scala and Play Framework applications Collaborate with engineering teams to ensure compatibility, performance, and maintainability Support software quality, testing, deployment, and operational improvements Contribute to continuous improvement and platform modernization initiatives What You Bring Hands-on experience developing and supporting production-grade Java and/or Scala services Strong backend development experience in enterprise environments Familiarity with Play Framework and its internal architecture Experience working with Apache Spark for large-scale data processing Knowledge of OAuth-based authentication and authorization patterns Understanding of software architecture, system integration, and backend modernization Strong problem-solving and analytical skills Ability to work independently and collaboratively in fast-paced environments Excellent communication and teamwork skills