Senior Backend Engineer: Scalable Systems

The Playstack by Super is hiring a Senior Backend Engineer to help power the next generation of sports, gaming and fan experiences across Europe and Latin America. You will join the Player – Transact Tribe, building scalable systems with AWS, Go, Erlang and Kafka, shaping architecture and driving deployments. You will collaborate with engineering...

Playson is seeking a Senior Backend Developer who thrives in a deeply hands-on environment and enjoys being close to the code daily. Focus on building, optimising, and scaling backend services for a high-load system where performance and reliability are critical. You’ll tackle complex real-time challenges at the platform core, improving latency, ensuring...

Playson is seeking a Senior Backend Engineer to develop and optimize promotional features for our gaming platforms. You will own core services, tackle performance and scalability, and drive technical decisions in a fast-paced SaaS environment. You’ll work with Node.js and TypeScript in a microservices ecosystem, collaborate with distributed teams, and...

Parser, a boutique technology services firm, seeks a Senior Backend Engineer in Madrid with 5+ years of software engineering experience and strong JVM/Spring Boot expertise. You will design and evolve distributed backend systems powering end-to-end protection lifecycles, including eligibility, quoting, purchase, and servicing, while collaborating across...

A leading technology company is seeking a Senior Go Software Engineer to join their team full-time in Spain. Responsibilities include writing effective Go code, resolving technical issues, and applying best practices like TDD. The ideal candidate has extensive experience with distributed systems, API development, and a collaborative mindset. Benefits include...

Grafana Labs is hiring for a remote, globally distributed engineering role with a focus on building and maintaining scalable alerting and cloud services. The team embraces open-source roots and a collaborative culture, empowering engineers to own reliable systems across distributed environments. You will influence roadmaps, deliver features end-to-end, and...

At Naphora Games Group , we're building more than games, we're building a global team of ambitious, driven people who are hungry to learn, experiment, and raise the bar for the next generation of games. We collaborate openly, move fast, and challenge ourselves every day to build better, smarter, and faster. Our goal is to create world-class games that...

Grafana Labs is a fully remote company with a global team creating Grafana Cloud, a composable observability platform. We value open-source culture, transparency, autonomy, and trust, and we welcome applicants from multiple countries including Spain. You’ll work on a cloud-native stack (Go, Kubernetes) with on-call rotations, collaboration, and a focus...

Hybrid Mind is seeking an AI Back-End Engineer to design and build scalable APIs and microservices powering AI-enabled healthcare applications. You will be hands-on across the full software development lifecycle, from architecture and development through testing, deployment, and operational support. This role requires delivering production-grade systems...