Senior DBA for AI-Powered Platform — Onsite Lisbon

Air Apps; Ireland; On-site; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Apple hardware ecosystem for work.

Annual Bonus

Top-tier Health and Life Insurance

Transportation Budget

Coverflex benefits package

Childcare support

Air Conference

Pension Fund

Urban Sports Club

Meals 100% free at the hub

Job summary

Air Apps is seeking a seasoned Database Administrator to design, optimize, and secure large-scale databases powering our AI-driven platform. You will work with engineering to ensure high availability, performance, and data integrity across PostgreSQL, MySQL, Redis, and DynamoDB environments.

Based in Lisbon with a fully onsite role, relocation support is available. You will join a fast-growing team that values best practices in security, backup, and CI/CD integration to support our global

Qualifications

• 4+ years of experience as a Database Administrator or similar role.
• Expertise in relational databases (PostgreSQL, MySQL, SQL Server) and/or NoSQL databases (MongoDB, Redis, Cassandra, DynamoDB).
• Strong knowledge of database optimization, indexing, partitioning, and replication.
• Experience with cloud database services (AWS RDS, Aurora, Google Cloud Spanner, Azure SQL).
• Knowledge of scripting for automation (Python, Bash, SQL).
• Understanding of data security best practices, encryption, and compliance requirements.

Responsibilities

• Design, implement, and maintain high-performance database systems to support large-scale applications.
• Optimize queries, indexing strategies, and partitioning to enhance performance.
• Monitor database health, ensuring high availability, scalability, and disaster recovery.
• Manage and fine-tune SQL and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB, Redis, DynamoDB).
• Implement database security policies, encryption, and access control.
• Automate backups, replication, and failover mechanisms.
• Work closely with developers to optimize queries, schema design, and data modeling.
• Perform capacity planning and monitor database growth trends.
• Ensure compliance with data governance, GDPR, and other regulatory requirements.

Skills

Database administration

Database optimization

Performance tuning

Security/compliance

CI/CD collaboration

Tools

PostgreSQL

MySQL

SQL Server

MongoDB

Redis

Cassandra

DynamoDB

Job description

Air Apps is seeking a seasoned Database Administrator to design, optimize, and secure large-scale databases powering our AI-driven platform. You will work with engineering to ensure high availability, performance, and data integrity across PostgreSQL, MySQL, Redis, and DynamoDB environments.

Based in Lisbon with a fully onsite role, relocation support is available. You will join a fast-growing team that values best practices in security, backup, and CI/CD integration to support our global