Senior Backend Engineer (Boosters)

About the Role Our promotional features team is seeking a Senior Backend Engineer. This role is focused on developing and optimizing 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 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 What We Offer Competitive Salary: We offer a competitive salary in EUR, subject to annual performance reviews Quarterly Bonuses: Benefit from a transparent and systematic quarterly bonus system Flexible Schedule: We offer a flexible work schedule to accommodate your needs Remote Work Option: Choose to work remotely, providing greater flexibility and comfort Medical Insurance: Receive comprehensive medical insurance for both you and a significant other Financial Support for Life Events: We provide financial support during special life events Unlimited Paid Vacation: Enjoy unlimited paid vacation leave Unlimited Paid Sick Leave: Take unlimited paid sick leave whenever necessary Professional Development: Get reimbursement for professional development courses and training Recruitment Process HR interview Technical interview (with Live coding) Final interview Please take into account that sometimes the process may differ, your TA Partner will keep you updated. Join us today!