Database Administrator (DBA)

About the role

Air Apps, a family-founded company building an AI-powered Personal & Entrepreneurial Resource Planner, is looking for a Database Administrator (DBA). You will manage, optimise and secure large-scale, complex databases and work with engineering teams to build high-performance, scalable and resilient database systems for the company's AI-driven platform. This is a fully onsite position in Lisbon, with relocation support offered.

Key responsibilities

• Design, implement and maintain high-performance database systems for large-scale applications.
• Optimise queries, indexing and partitioning, and tune SQL and NoSQL databases (e.g. PostgreSQL, MySQL, MongoDB, Redis, DynamoDB).
• Monitor database health, ensure high availability and scalability, and implement backup, replication and failover.
• Apply security policies, encryption and access control, and automate backups and failover.
• Work with developers on query, schema and data-model optimisation, and perform capacity planning.
• Ensure compliance with data governance, GDPR and other regulatory requirements.

Required profile

• Around 4+ years of experience as a DBA or in a similar role.
• Experience with large, complex datasets and high-traffic applications.
• Ability to work with DevOps teams to integrate databases into CI/CD workflows.

Required skills

• Relational databases (PostgreSQL, MySQL, SQL Server) and/or NoSQL (MongoDB, Redis, Cassandra, DynamoDB).
• Performance tuning, query optimisation and troubleshooting.
• Cloud database services (AWS RDS, Aurora, Google Cloud Spanner, Azure SQL).
• Scripting for automation (Python, Bash, SQL scripts).

What we offer

• Apple hardware ecosystem for work.
• Annual bonus, pension fund and top-tier health and life insurance.
• Transportation budget, childcare support and free meals at the hub.
• Coverflex benefits package, Air Conference and Urban Sports Club membership.