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Financial solutions for entrepreneurs and freelancers - combining business account benefits with multiple services
Senior / Lead DB Platform Engineer
Location
Poland
Posted
121 days ago
Salary
0
Seniority
Senior
Job Description
Senior / Lead DB Platform Engineer
Finom
• 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
Job Requirements
- 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
- Strong SQL (complex queries, functions, stored procedures)
- Vacuum tuning, index lifecycle management, statistics optimization
- Experience with additional data systems (Cassandra, ClickHouse — plus)
Benefits
- Make a genuine impact on the product
- Join our upward trajectory, and grow with us.
- We provide the resources and opportunities for continuous personal and professional development.
- Enjoy the flexibility of traveling and working remotely or in a hybrid model across Europe.
- Unlock your inner entrepreneur and align your aspirations with ours through our Stock Options Program.
- Receive unwavering support and care.
- Work & Swim Program.
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