Senior Database Administrator for Database Migration

TechFlow Inc

Contract · Flexible hours

About the role

TechFlow Inc is scaling its data infrastructure to support rapid product growth. We need a senior Database Administrator to design, optimize, and maintain critical relational and NoSQL databases for a high‑traffic web application.

Key responsibilities

• Design and implement robust database schemas for PostgreSQL, MySQL and MongoDB.
• Perform performance tuning, indexing, and query optimization.
• Set up automated backup, recovery, and replication strategies.
• Monitor database health and resolve incidents proactively.
• Collaborate with developers to ensure data integrity and security.
• Document procedures and create runbooks for operational tasks.

Must-have skills

• Deep expertise in PostgreSQL and MySQL administration.
• Strong experience with MongoDB clustering and sharding.
• Linux server administration and scripting (Bash/Python).
• Advanced SQL query writing and performance analysis.
• Solid understanding of security best practices and compliance.

Nice to have

• Experience with containerized database deployments (Docker, Kubernetes).
• Familiarity with cloud database services (AWS RDS, Azure Cosmos DB).