Senior Backend Engineer (Boosters)

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. Main 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 Mandatory Requirements – 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 enterprise development patterns – Experienced with large-scale microservices architecture – Experience with cloud providers (AWS, GCP, etc.) – Active performance observation – Gambling domain experience – Understanding of application security and industry standards, its best practice We offer – Competitive Salary – Quarterly Bonuses – Unlimited Paid Time Off – Unlimited Paid Sick Leave – Remote & Flexible Working – Private Medical Insurance – Financial Support for Life Events – Professional Development Budget – International Exposure – Regular Company Events *Benefits may vary depending on location and contractual agreement