Database Administrator

You own the reliability, performance, security, and resilience of production databases. You administer PostgreSQL, MySQL, Aurora, RDS, and MongoDB; design backup and recovery strategies; optimize queries and schemas; support ORM and GraphQL data access; implement security controls; automate database operations; and support incident response and root-cause analysis.

Responsibilities

• Own the availability, performance, reliability, and security of production databases
• Administer and optimize PostgreSQL, MySQL, Aurora, RDS, and MongoDB environments
• Design and maintain backup, recovery, replication, and high-availability strategies
• Monitor database health, capacity, performance, and resource utilization
• Troubleshoot database performance and production issues
• Optimize queries, indexes, schemas, connections, and database configurations
• Work with Engineering teams on ORMs, database design, migrations, and query optimization
• Support applications using GraphQL and ensure efficient and secure data access patterns
• Implement and maintain database security controls
• Participate in disaster recovery planning, testing, and RTO/RPO initiatives
• Automate database operations, monitoring, provisioning, and routine maintenance
• Support incident response and root-cause analysis for database-related incidents

Requirements

• 3-5 years of experience as a DBA, Database Engineer, or Database Administrator
• Hands-on experience with PostgreSQL and MySQL
• Experience with AWS Aurora and RDS
• Experience managing MongoDB in production
• Understanding of database architecture, replication, backups, recovery, and high availability
• Strong SQL skills and experience with query and performance optimization
• Experience with ORM frameworks and their impact on database performance
• Familiarity with GraphQL and modern application data-access patterns
• Understanding of AWS, Linux, networking, and cloud infrastructure
• Strong troubleshooting and problem-solving skills
• Experience with database monitoring and observability tools
• Experience with Terraform or Infrastructure as Code is an advantage
• Familiarity with Kubernetes and containerized workloads is an advantage
• Experience with database security, auditing, and compliance is an advantage
• Exposure to blockchain, Web3, fintech, or digital asset infrastructure is an advantage