Senior Backend Engineer (Gaming)
HappeningBelgium2 days ago
Full-timeEngineering, Information Technology
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🚀 Why this role matters
Happening powers the technology behind Superbet’s platforms and brands, serving millions of customers. Our Game Integrations squad connects third-party providers to our core platform and ensures those experiences are reliable, scalable, and compliant.
We’re growing and scaling fast, and we need a Senior Backend Engineer who can deliver high-quality integrations, shape engineering standards, and help accelerate how quickly new providers go live.
How we work: We’re product-minded squads with strong ownership, candid feedback, and measurable outcomes. We build, run, and continuously improve the tech that powers Superbet’s customer experience.
What you’ll do
We are a global technology company dedicated to building the future of entertainment and fan-centric experiences.
With commercial markets in Brazil, Belgium, Poland, Romania, and Serbia, our company has evolved from a leading sports betting and gaming operator into a diversified product and tech organization, gathering more than 5,000 dedicated people across our teams.
Shaping the future of play
At Super, we are creating a unique entertainment ecosystem engaging millions of customers worldwide. Our product and technology teams in Amsterdam (the Netherlands), Madrid (Spain), Zagreb (Croatia), London (UK), and Bucharest (Romania) are building the playstack that will champion the future of play.
Our ambitious growth strategy focuses on expanding across Europe and Latin America while delivering immersive customer experiences and creating lasting value for our customers, partners, and communities.
Global recognition and standards
The company’s long-term strategy is supported by world-class investors. In 2019, Blackstone, the world’s largest alternative asset manager, made a strategic minority investment of €175 million. In 2025, we strengthened our financial position through a €1.3 billion refinancing agreement, reinforcing our partnership with Blackstone and enabling accelerated global expansion.
Super is committed to the highest standards of compliance, safety, and responsibility. As such, we are active members of the International Betting Integrity Association (IBIA) and the European Gaming & Betting Association (EGBA).
Happening powers the technology behind Superbet’s platforms and brands, serving millions of customers. Our Game Integrations squad connects third-party providers to our core platform and ensures those experiences are reliable, scalable, and compliant.
We’re growing and scaling fast, and we need a Senior Backend Engineer who can deliver high-quality integrations, shape engineering standards, and help accelerate how quickly new providers go live.
How we work: We’re product-minded squads with strong ownership, candid feedback, and measurable outcomes. We build, run, and continuously improve the tech that powers Superbet’s customer experience.
What you’ll do
- Build integrations end-to-end - design contracts, implement services, write tests, and ship with confidence.
- Own reliability - define SLIs/SLOs, set up observability (metrics, logs, traces), and join on-call.
- Keep systems healthy - tackle production issues, reduce tech debt, and simplify through pragmatic refactors.
- Work across boundaries - collaborate with Product, Compliance, SRE, Data, Security, and external partners to keep delivery smooth.
- Level up the team - mentor more junior teammates through sharp code reviews, pairing, and knowledge sharing.
- Node.js + TypeScript (backend services & integrations)
- Kubernetes (K8s) in production, CI/CD pipelines, containerized deployments
- REST APIs with versioning & backward compatibility
- Observability stack → metrics, tracing, logging, dashboards, and alerts
- 6+ years building backend systems (ideally integrations) with Node.js + TypeScript
- Event-driven systems (Kafka) and low-latency/high-throughput workloads
- Solid production experience with Kubernetes and CI/CD pipelines
- Strong background in API design (REST) and maintaining compatibility at scale
- Focus on testing & quality (unit, integration, QA collaboration)
- Ability to write clear docs and status updates that keep teammates aligned
- Experience with Nest.js
- Gaming/fintech/e-commerce integrations (wallets, catalogs, identity, compliance)
- Experience in regulated environments with staged rollouts
- Cutting time-to-integrate new providers from weeks to days
- Improving observability, testability, and reliability at scale
- Becoming a go-to engineer for design and debugging while uplifting others
We are a global technology company dedicated to building the future of entertainment and fan-centric experiences.
With commercial markets in Brazil, Belgium, Poland, Romania, and Serbia, our company has evolved from a leading sports betting and gaming operator into a diversified product and tech organization, gathering more than 5,000 dedicated people across our teams.
Shaping the future of play
At Super, we are creating a unique entertainment ecosystem engaging millions of customers worldwide. Our product and technology teams in Amsterdam (the Netherlands), Madrid (Spain), Zagreb (Croatia), London (UK), and Bucharest (Romania) are building the playstack that will champion the future of play.
Our ambitious growth strategy focuses on expanding across Europe and Latin America while delivering immersive customer experiences and creating lasting value for our customers, partners, and communities.
Global recognition and standards
The company’s long-term strategy is supported by world-class investors. In 2019, Blackstone, the world’s largest alternative asset manager, made a strategic minority investment of €175 million. In 2025, we strengthened our financial position through a €1.3 billion refinancing agreement, reinforcing our partnership with Blackstone and enabling accelerated global expansion.
Super is committed to the highest standards of compliance, safety, and responsibility. As such, we are active members of the International Betting Integrity Association (IBIA) and the European Gaming & Betting Association (EGBA).
Key Skills
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