MongoDB Engineer

About Us: Delasport is where technology meets the excitement of sports and gaming! As a proven innovator in iGaming software, we provide everything from platform development to player account management. Our platform is designed to make every player feel like the star of the show, with personalized experiences and cutting-edge technology at its heart. Since our founding in 2010, we have won multiple international awards and have established a proven track record of excellence, stability, and overall success. This achievement only drives us to reach even greater heights. Currently, we are proud to have over 500 experts across various business fields and several offices in Bulgaria (Sofia and Plovdiv), Ukraine, and Malta. About the role: The MongoDB Application DBA is accountable for designing, optimizing, and operating MongoDB databases that power mission-critical applications. This role sits at the intersection of application development and database engineering, ensuring that data models, queries, indexes, and deployment patterns are efficient, scalable, and aligned with business requirements. The Application DBA partners closely with developers, DevOps, and infrastructure teams to deliver high-performance, secure, and resilient MongoDB environments. How You'll make an impact: Database Design & Development: Collaborate with application architects to design optimal MongoDB data models (schema design, document structure, embedding vs. referencing). Review and optimize queries, aggregations, and indexing strategies. Implement schema versioning, data migrations, and refactoring strategies. Helps developers with MongoDB best practices, patterns, and anti-patterns. Performance & Optimization: Monitor and tune query performance, index usage, and execution plans. Analyze slow queries using Profiler, Explain Plans, and performance metrics. Optimize sharding strategies, partitioning, and data distribution. Conduct capacity planning and workload forecasting. Operations & Administration Manage MongoDB clusters (standalone, replica sets, sharded clusters) in on-prem or Atlas environments. Perform backup/restore, disaster recovery planning, and failover testing. Ensure high availability, replication health, and cluster stability. Implement and maintain monitoring (Atlas, Ops Manager, Prometheus, PagerDuty, Grafana, ELK, PMM etc.). Security & Compliance Configure and enforce authentication, authorization, and role-based access control. Implement encryption at rest and in transit, auditing, and compliance controls. Enable secure deployment patterns and vulnerability remediation. Troubleshooting & Support Diagnose and resolve issues related to: Replication lag Locking and contention Memory/CPU bottlenecks Storage performance Who you are: Technical Skills 5+ years of database administration, database engineering, or data platform experience. Strong expertise in…