Finom /Principal Database Administrator (DBA)

Overview

Responsibilities

• - Own database reliability for Finom’s core banking systems.
• - Drive high availability and disaster recovery strategies.
• - Ensure RPO and RTO targets are met for mission-critical database systems.
• - Define and execute database scalability roadmaps.
• - Design partitioning, sharding, and capacity forecasting strategies.
• - Perform deep query optimization and execution plan analysis.
• - Identify and resolve database performance bottlenecks.
• - Build and manage connection pooling strategies using PgBouncer.
• - Implement robust backup and restore automation.
• - Design database monitoring architecture using Prometheus, Grafana, and VictoriaMetrics.
• - Define SLIs and SLOs for database health.
• - Implement banking-grade security practices and compliance-aligned data handling.
• - Partner with engineering teams on database schema changes and architectural decisions.
• - Mentor other engineers and define technical standards for the DBA function.

Requirements

• - 5+ years of experience as a PostgreSQL DBA in high-load production environments.
• - Strong experience with fintech, banking, or mission-critical systems is preferred.
• - Deep knowledge of PostgreSQL internals, including MVCC, WAL, vacuum, and performance tuning.
• - Advanced knowledge of index design, including B-tree, GIN, GiST, and BRIN.
• - Experience with partitioning, vacuum tuning, and large-scale PostgreSQL optimization.
• - Proven experience designing streaming replication, clustering, and automated backup validation.
• - Hands-on experience with cloud-managed PostgreSQL, especially GCP.
• - Strong Linux systems administration skills.
• - Experience with Infrastructure as Code tools such as Terraform and Ansible.
• - Experience with CI/CD workflows, GitLab, and ArgoCD.
• - Strong SQL skills, including complex queries, stored procedures, and functions.
• - Experience building monitoring and alerting for databases using Prometheus and Grafana.
• - Fluent English communication skills.
• - Experience with PCI DSS, GDPR, Redis, BigQuery, Cassandra, ClickHouse, Vault, or advanced connection pooling tools is a plus.

Skills