Database Administrator (DBA)

Air Apps; Dublin; On-site; EUR 70,000 - 110,000; 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 for meals,

Childcare support.

Air Conference

Pension Fund

Urban Sports Club membership

Meals 100% free at the hub.

Job summary

Air Apps is seeking a Database Administrator to design, implement, and optimize our large-scale database systems powering our AI-driven platform. You will ensure data integrity, explore performance improvements, and collaborate with engineering to build scalable solutions.

You will work onsite at our Lisbon office, focusing on PostgreSQL/MySQL, cloud services, and strong data-security practices. Relocation support is available for the right candidate.

Qualifications

• 4+ years of experience as a Database Administrator (DBA) 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 in performance tuning, query optimization, and troubleshooting slow queries.
• Familiarity with database backup, recovery, failover, and disaster recovery strategies.
• Experience with cloud database services (AWS RDS, Aurora, Google Cloud Spanner, Azure SQL).
• Knowledge of scripting for automation (Python, Bash, SQL scripts).
• Understanding of data security best practices, encryption, and compliance requirements.
• Experience working with large, complex datasets and high-traffic applications.
• Ability to work with DevOps teams to integrate databases into CI/CD workflows.

Responsibilities

• Design, implement, and maintain high-performance database systems to support large-scale applications.
• Optimize database 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 to protect sensitive data.
• Automate database 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.
• Stay updated with the latest database technologies, trends, and best practices.

Skills

Database optimization

Performance troubleshooting

Data security best practices

DevOps collaboration

Data governance awareness

Education

Bachelor’s degree in Computer Science or related field

Tools

PostgreSQL

MySQL

MongoDB

Redis

DynamoDB

SQL Server

AWS RDS

Aurora

Azure SQL

Python scripting

Bash scripting

Job description

About Air Apps

At Air Apps, we believe in thinking bigger—and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal in 2018—and now with offices in both Lisbon and San Francisco,we’ve remained self-funded while reaching over 100 million downloads worldwide.

Our long-term focus drives us to challenge the status quo every day, pushing the boundaries of AI-driven solutions that truly make a difference. Here, you’ll be a creative force, shaping products that empower people across the globe.

Join us on this journey to redefine resource management—and change lives along the way.

The Role

As a Database Administrator (DBA) at Air Apps, you will be responsible for managing, optimizing, and securing large-scale, complex databases. You will work with engineering teams to design, implement, and maintain high-performance, scalable, and resilient database systems that power our AI-driven platform.

Your role will involve database tuning, backup and recovery strategies, monitoring, and ensuring data integrity while working with structured and unstructured data sources.

• This is a fully onsite position , based at our office in Lisbon, where you will collaborate closely with cross-functional teams in person and contribute to a dynamic and fast-paced environment. We are open to support with relocation efforts.

Responsibilities

• Design, implement, and maintain high-performance database systems to support large-scale applications.

• Optimize database 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 to protect sensitive data.

• Automate database 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.

• Stay updated with the latest database technologies, trends, and best practices.

Requirements

• Around 4+ years of experience as a Database Administrator (DBA) 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 in performance tuning, query optimization, and troubleshooting slow queries.

• Familiarity with database backup, recovery, failover, and disaster recovery strategies.

• Experience with cloud database services (AWS RDS, Aurora, Google Cloud Spanner, Azure SQL).

• Knowledge of scripting for automation (Python, Bash, SQL scripts).

• Understanding of data security best practices , encryption, and compliance requirements.

• Experience working with large, complex datasets and high-traffic applications.

• Ability to work with DevOps teams to integrate databases into CI/CD workflows.

What benefits are we offering?

• Apple hardware ecosystem for work.

• Annual Bonus

• Top-tier Health and Life Insurance for peace of mind.

• Transportation Budget to support your commute needs.

• Coverflex benefits package for meal allowances, well-being, and more.

• Childcare support.

• Air Conference - an opportunity to meet the team, collaborate, and grow together.

• Pension Fund to support your long-term financial planning.

• Urban Sports Club membership to keep you active.

• Meals 100% free at the hub.

Diversity & Inclusion

At Air Apps, we are committed to fostering a diverse, inclusive, and equitable workplace. We enthusiastically welcome applicants from all backgrounds, experiences, and perspectives. We celebrate diversity in all its forms and believe that varied voices and experiences make us stronger.

Application Disclaimer

At Air Apps, we value transparency and integrity in our hiring process. Applicants must submit their own work without any AI-generated assistance. Any use of AI in application materials, assessments, or interviews will result in disqualification.