Senior DBA PostgreSQL

HeadHR; Kraków; On-site; PLN 100,000 - 130,000; Full time

Benefits offered by this job

Private healthcare

Multisport card

Referral program

Free parking

Job summary

HeadHR is seeking an experienced PostgreSQL Engineer to join their team in Kraków. The successful candidate will have over 7 years of experience managing PostgreSQL databases, focusing on replication strategies and automation.

You will work in a hybrid model, coming to the office 6 days a month, and be involved in high-stakes projects for leading international banks. Opportunities for growth and working with modern technologies are available.

Qualifications

• 7+ years of hands-on experience with PostgreSQL administration and replication.
• Strong expertise in WAL archiving, streaming replication, and logical decoding.
• Proficiency in database performance tuning and query optimization.

Responsibilities

• Design and manage PostgreSQL replication for high availability.
• Automate database deployment using Ansible and Jenkins.
• Work with teams to ensure database scalability and reliability.

Skills

PostgreSQL administration

WAL archiving

Streaming replication

Database performance tuning

Ansible automation

Jenkins automation

Database security

Troubleshooting skills

Tools

Kubernetes

Docker

Prometheus

Grafana

ELK Stack

Job description

We are seeking an experienced PostgreSQL Engineer with expert-level knowledge in logical and physical replication to join our team. The ideal candidate should have a strong background in database administration, replication strategies, and automation using DevOps tools like Ansible and Jenkins. Experience with Google Cloud and other cloud platforms is a plus.

What you will do

• Design, implement, and manage PostgreSQL replication (logical and physical) for high availability and disaster recovery
• Optimize database performance, tuning, and query optimization
• Automate database deployment and management using Ansible, Jenkins, and scripting (Bash/Python)
• Develop and maintain backup, restore, and failover strategies
• Work closely with development and infrastructure teams to ensure database scalability and reliability
• Develop and maintain backup, restore, and failover strategies, including experience with EDB Failover Manager (EFM)
• Monitor database health, security, and troubleshoot replication issues
• Implement best practices for high availability (HA) and disaster recovery (DR) solutions
• Work with Google Cloud (Cloud SQL for PostgreSQL, GKE, GCP networking, IAM, monitoring) and other cloud platforms

Kogo poszukujemy?

• Client: lead international bank
• Hybrid work: 6 days per month from the office in Cracow

Skills

• 7+ years of hands‑on experience with PostgreSQL administration and replication (logical & physical)
• Strong expertise in WAL archiving, streaming replication, and logical decoding
• Proficiency in database performance tuning, indexing strategies and query optimization
• Experience in automating database tasks using Ansible, Jenkins and scripting
• Solid knowledge of database security, auditing and access control mechanisms
• Strong troubleshooting skills

Optional

• PostgreSQL certification
• Experience with Kubernetes, Docker and CI/CD pipelines
• Knowledge of other databases like MySQL, Oracle, or NoSQL databases
• Experience with monitoring tools like Prometheus, Grafana or ELK Stack
• Familiarity with GCP and other cloud platforms (AWS, Azure)

What's in it for you?

• Prestigious position at one of the world's largest banks
• Stable, long‑term projects
• Hybrid work (6 days per month from the office in Cracow)
• Working with modern IT technologies
• Growth and development opportunities with the possibility to move between projects
• Private healthcare and multisport card
• Referral program, free parking