Senior Database Engineer (PostgreSQL+AWS)

TL;DR

Senior Database Engineer (PostgreSQL+AWS): Administer and optimize PostgreSQL databases on AWS RDS and Aurora with an accent on performance tuning, high availability, and security. Focus on query optimization, data modeling collaboration with developers, and DevOps automation for scalable infrastructure.

Location: Remote from UK, Ireland, or Portugal. Candidates must have work authorization in one of these countries. Office access available in London, Dublin, and Lisbon.

Company

Fast-growing cybersecurity scale-up providing human risk management platform using behavioral science and data-driven training.

What you will do

• Administer, monitor, and optimize PostgreSQL on Amazon RDS and Aurora, including maintenance, backups, and upgrades.
• Collaborate with developers to optimize SQL, PL/pgSQL routines, data modeling, and performance.
• Set up performance metrics, logs, and alerts using AWS CloudWatch and pg_stat_statements.
• Implement access control, auditing, security policies, and database documentation.
• Contribute to schema changes, migrations, CI/CD, and automation of deployments.

Requirements

• 5+ years hands-on experience operating and scaling PostgreSQL in high-availability production environments.
• Hands-on with Amazon RDS for PostgreSQL, AWS services integration (Lambda, S3).
• Experience writing/debugging SQL queries, PL/pgSQL, views, partitions, performance tuning, index optimization.
• Familiarity with PostgreSQL monitoring tools like pg_stat_statements, auto_explain.
• Knowledge of database design, normalization, data integrity, CI/CD practices (e.g., GitHub Actions).
• Strong collaboration, communication, proactive problem-solving, on-call willingness.

Culture & Benefits

• Flexible hours, 33 vacation days.
• Wellbeing support: Open Up access, corporate discounts.
• Connection: Virtual events, team activities, local meet-ups.
• Tech equipment, referral bonuses, dog-friendly HQ.