Database Administrator, DBA

Air Apps

Database Administrator responsible for managing, optimizing, and securing complex databases at Air Apps. Designing resilient database systems to support an AI-driven platform.

Posted 4/27/2026full-timeHelsinki • 🇫🇮 FinlandMid-LevelSenior💰 €55,000 - €69,000 per yearWebsite

Tech Stack

Tools & technologies

AWSAzureCassandraCloudDynamoDBMongoDBMySQLNoSQLPostgresPythonRedisSQL

About the role

Key responsibilities & impact

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

What you’ll need

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.

Benefits

Comp & perks

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.

ATS Keywords

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Hard Skills & Tools

database designdatabase implementationdatabase maintenancedatabase optimizationquery optimizationindexingpartitioningdatabase securityscriptingperformance tuning

Soft Skills

collaborationtroubleshootingcapacity planningmonitoringcommunication