About the Role Our promotional features team is seeking a Senior Backend Engineer. This role is focused on developing and optimising promotional features for our gaming platforms, where performance, scalability, and cutting-edge solutions are paramount. If you’re a product-passionate person, your mind is keen to solve deep tech engineering problems, and you have a fast "PoC first" approach with a deep sense of ownership, we would love to hear from you. Key Responsibilities * Develop and maintain robust backend systems for our promotional features. * Optimize existing systems for enhanced performance and scalability. * Lead technical decisions and contribute to our SaaS solutions. * Collaborate with distributed teams to innovate and implement new features. * Ensure code and architectural excellence through reviews. * Address complex technical challenges with innovative solutions. * Participating in on-call rotations within the squad to help ensure the reliability and availability of our systems. Requirments * Strong proficiency in Node.js and TypeScript (our primary backend stack).



We’re also open to strong backend engineers from other ecosystems (e.g., Go, Java, C#, C++) who are ready to ramp up quickly. * Strong understanding of asynchronous programming and concurrency patterns. * Experience building distributed systems and working with messaging and coordination tools (e.g., Kafka, RabbitMQ, NATS, distributed locks). * Experience with gRPC in production environments. * Solid knowledge of databases: relational (MySQL, PostgreSQL), columnar (ClickHouse), and NoSQL (DynamoDB, MongoDB). * Experience with cloud platforms (AWS/GCP/Azure) and Kubernetes. * Skilled in building and maintaining unit and end-to-end tests. * Proven track record of delivering production-ready solutions. * Experience working with large-scale microservices architectures. * Degree in Computer Science or a related field (or equivalent practical experience). Nice to Have * Understanding of enterp

📌 Senior Backend Engineer (Huelva)
🏢 Playson
📍 Huelva