Senior PostgreSQL Database Engineer

We’re looking for a Senior PostgreSQL Database Engineer to join our team. 

Our client a leading European AI company developing large language models and generative platforms for enterprise and government clients.Our products combine high-performance technologies, transparency, accessibility, and data security, fully aligned with European regulatory and ethical standards.

As a Senior PostgreSQL Database Engineer, you will take ownership of PostgreSQL architecture, tuning, operations, and maintenance across business-critical systems.This role is designed to be covered by 1–2 FTE split across several senior specialists, ensuring continuity of PostgreSQL operations and full coverage during planned and unplanned absences as we take over end-to-end PostgreSQL responsibility.

Responsibilities:

• Take ownership of PostgreSQL architecture, tuning, and long-term maintenance

• Lead PostgreSQL operations as systems transition under internal ownership

• Ensure database availability, reliability, and performance in production environments

• Design and maintain high-availability, replication, backup, and recovery strategies

• Proactively monitor, troubleshoot, and resolve PostgreSQL issues

• Perform query optimization, indexing strategies, and configuration tuning

• Plan and execute upgrades, migrations, and maintenance activities

• Ensure data security, integrity, and compliance with internal and regulatory standards

• Collaborate closely with backend, platform, and infrastructure teams

• Maintain clear operational documentation to support shared ownership across multiple FTEs

• Participate in support / on-call rotation as required to ensure operational continuity

Requirements:

• 5+ years of commercial experience with PostgreSQL

• Experience with PostgreSQL, including: performance tuning, database architecture, operations and maintenance in production

• Proven experience managing PostgreSQL in mission-critical environments

• Strong expertise in backup, restore, replication, and high-availability setups

• Hands-on experience with PostgreSQL troubleshooting and incident resolution

• Ability to independently own and operate PostgreSQL systems

• Comfortable working in a shared-responsibility model (1–2 FTE split across multiple specialists)

• Strong communication skills and experience working with cross-functional engineering teams

• Solid Linux fundamentals

• Upper-Intermediate level of English

Nice to have:

• Experience operating PostgreSQL at scale (large datasets, high throughput)

• Familiarity with cloud-based PostgreSQL solutions

• Experience with monitoring, alerting, and observability tools

• Automation and Infrastructure as Code experience

• Background in platform engineering, SRE, or DevOps

• Experience in regulated or security-sensitive environments