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# Backend Engineer

- **Company:** Super
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Code Review, Software Debugging, Node.Js, Systems Integration, TypeScript, Management of Software Versions, Data Logging, Backend, Event Driven Architecture, Containerization, Kubernetes, Apache Kafka, Api Design, NestJS, Restful APIs
- **Published:** July 24, 2026
- **Apply:** https://www.adzuna.es/contact-us.html

## About the Role

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
Nice to have
Experience with Nest.js
Gaming/fintech/e-commerce integrations (wallets, catalogs, identity, compliance)
Experience in regulated environments with staged rollouts

## Description

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.
️ Tech we use
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, Becoming a go-to engineer for design and debugging while uplifting others


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