Senior / Lead DB Platform Engineer
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Poland
We are looking for a Senior / Team Lead DB‑SRE (PostgreSQL) to own, evolve, and scale Finom’s mission‑critical database infrastructure. As the Reliability Owner of our core banking PostgreSQL environment, you will combine deep technical expertise with strategic leadership to ensure our database systems are highly available, resilient, secure, and ready to scale with our rapid growth.
This role is hands‑on, high‑impact, and central to Finom’s platform reliability. You will define the long‑term database architecture, lead improvements, and guide the team through best practices while staying closely involved in operational execution.
What You Will Be Doing
- Own the reliability, uptime, and continuity of Finom’s PostgreSQL banking databases
- Define and lead database scalability and performance strategy
- Drive architectural decisions for high‑availability, multi‑region, and multi‑cluster environments
- Manage risk related to data loss, corruption, and operational failures
- Design and implement HA setups (streaming replication, clustering, failover automation)
- Establish and enforce RPO/RTO standards, DR architecture, and run regular DR drills
- Oversee backup, recovery, and validation automation
- Lead proactive performance tuning, load testing, and query optimization
- Define SLIs/SLOs and create monitoring frameworks using Prometheus / Grafana
- Build alerting, logging, and diagnostics pipelines
- Provide technical leadership, mentoring, and standards definition
- Lead code and architecture reviews related to database reliability
- Partner cross‑functionally with backend, platform, SRE, and security teams
- Build Infrastructure‑as‑Code (Terraform/Ansible) for DB orchestration
- Improve automation around deployments, schema management, and operations
- Work with GCP cloud‑managed PostgreSQL, storage tuning, and resource optimization
Database Reliability Ownership
High Availability, DR & Scaling
Performance & Observability
Team Leadership
Automation & Infra
Who You Are
- 7+ years as a PostgreSQL DBA in high‑load, production, mission‑critical environments
- Experience in financial services / fintech is a strong advantage
- Proven Team Lead experience: technical ownership, mentoring, standards setting
- Deep understanding of PostgreSQL internals (MVCC, WAL, vacuum, planner, checkpoints)
- Strong index knowledge (b‑tree, GIN, GiST, SP‑GiST, BRIN, RUM)
- Advanced query plan analysis and optimization
- Expertise in partitioning, sharding, capacity planning, forecasting
- Experience designing streaming replication, clustering, failover
- Strong understanding of RPO/RTO and DR design
- Multi‑region cluster experience, DR drills, backup/restore automation
- PgBouncer (session/transaction modes) expertise
- Experience identifying and eliminating bottlenecks
- Load testing, benchmarking, and scalability planning
- Understanding of frameworks such as PCI‑DSS and GDPR
- Experience with secure credential management and secrets handling
- Experience designing monitoring with Prometheus, Grafana, VictoriaMetrics
- Ability to define SLIs/SLOs and build diagnostics pipelines
- IaC with Terraform / Ansible
- Strong GCP experience (Cloud SQL/PostgreSQL)
- Solid Linux administration fundamentals
- Understanding of storage, IOPS, and network performance impacts
- Experience with Redis / BigQuery is a plus
- Strong SQL (complex queries, functions, stored procedures)
- Vacuum tuning, index lifecycle management, statistics optimization
- Experience with additional data systems (Cassandra, ClickHouse — plus)
Experience & Leadership
PostgreSQL Expertise
HA & Disaster Recovery
Performance & Scalability
Security & Compliance
Observability & Automation
Cloud & Infra
Fundamental Skills
This job is no longer accepting applications
See open jobs at Finom.See open jobs similar to "Senior / Lead DB Platform Engineer" General Catalyst.