Senior Database Engineer Expert

• Own PostgreSQL performance, scalability, and reliability across large-scale security and scanning workloads
• Deep dive into database performance issues, including query optimization, execution plans, indexing strategies, locking, bloat, vacuuming, and connection management
• Work closely with application teams to optimize database access patterns from services and APIs
• Review application code and SQL usage with a focus on correctness, performance, and scalability
• Design, evolve, and optimize schemas and migrations for long-lived, high-volume datasets
• Support and fine-tune PostgreSQL in both cloud-managed environments, such as RDS and self-managed deployments
• Establish best practices, standards, and guidelines for PostgreSQL usage across teams
• Mentor engineers and raise the overall database maturity of the organization
• Act as a trusted expert for troubleshooting complex production database incidents

• 5+ years of hands-on experience working with PostgreSQL in production high-scale environments
• Proven expertise in PostgreSQL performance tuning, optimization, and internals
• Excellent SQL skills, including complex and performance-critical queries
• Strong understanding of how applications interact with databases, including connection pools, ORMs, transaction patterns, and failure modes
• Experience working with large datasets up to a few TBs in volume and high concurrency with 5000+ connections
• Experience with both cloud-managed PostgreSQL and self-managed deployments
• Solid understanding of schema design, migrations, and backward-compatible data evolution
• Ability to work cross-team as part of a DevOps organization providing shared infrastructure and expertise
• Strong communication skills with the ability to mentor, influence standards, and guide teams under pressure

Familiarity with Go and/or Python at a level sufficient for code review and performance analysis