Responsibilities

• Own and evolve the MySQL database architecture
• Design scalable and high-performance data models
• Optimize complex queries and indexing strategies
• Identify and resolve performance bottlenecks in production
• Ensure reliability, scalability, and availability of database systems
• Improve replication, backup, and disaster recovery processes
• Collaborate closely with backend engineers (Node.js ecosystem)
• Participate in architectural decisions and technical roadmap planning
• Implement and maintain monitoring & observability for database health
• Lead database-related best practices across the engineering team

Requirements

• 6+ years of hands-on experience with MySQL
• Strong experience with high-load / large-scale production systems
• Deep understanding of MySQL internals, indexing, query optimization
• Experience with replication, partitioning, and scaling strategies
• Solid knowledge of transactions, isolation levels, and locking mechanisms
• Experience working in AWS environments (RDS, EC2, networking)
• Strong problem-solving and analytical skills
• Experience collaborating within large engineering teams
• English — Upper-Intermediate+

Nice to Have

• Background in database architecture at Lead level
• Experience with distributed systems
• Knowledge of caching solutions (e.g., Redis)
• Experience with data migrations in high-load environments
• Familiarity with performance testing and load testing tools
• Experience mentoring or leading database initiatives