PostgreSQL Database Administrator (DBA)

Cubane Solutions AB; Stockholms kommun; On-site; SEK 700,000 - 900,000; Full time

Job summary

Cubane Solutions AB in Sweden seeks an experienced PostgreSQL specialist to lead end-to-end migration from Oracle to PostgreSQL, ensuring stability for platform operations.

You will translate requirements into robust database designs, collaborate with development and DB teams, and drive migration best practices while maintaining high performance and reliability.

Qualifications

• Extensive hands-on PostgreSQL DBA experience.
• Understanding of Oracle datatype mappings and migration considerations.
• Proven experience executing PostgreSQL migration projects.
• Ability to work autonomously within a migration framework and deliver high-quality outcomes.
• Strong collaboration with engineering and database teams.
• Familiarity with Liquibase or similar schema versioning tools.

Responsibilities

• Lead end-to-end migration of Oracle database services to PostgreSQL.
• Translate requirements into effective database designs bridging development and DB engineering.
• Review schemas, configurations, and application-level interactions for correctness and performance.
• Identify gaps, risks, and optimization opportunities across the migration pipeline.
• Produce documentation including migration learnings, best practices, and repeatable processes.

Skills

PostgreSQL DBA

Oracle migration concepts

Autonomous work

Team collaboration

Performance tuning

Tools

Liquibase

Kafka

Solace

Job description

Responsibilities

• Lead and actively contribute to the end-to-end migration of Oracle database services to PostgreSQL, ensuring stability and continuity for platform operations.
• Translate application and service requirements into effective database designs, acting as a bridge between development teams and database engineering.
• Review and validate schemas, configurations, and application-level database interactions to ensure correctness, performance, and compatibility throughout the migration.
• Identify gaps, risks, and optimization opportunities across the migration pipeline.
• Produce clear documentation, including migration learnings, best practices, and repeatable processes for future database modernization initiatives.

Requirements

• Extensive hands-on experience as a PostgreSQL DBA or PostgreSQL-focused developer.
• Understanding of Oracle database concepts, including datatype mappings and migration considerations.
• Proven experience executing to PostgreSQL migration projects.
• Ability to work autonomously within an established migration framework and deliver high-quality outcomes.
• Strong collaboration skills, with the ability to work closely with engineering and database teams.
• Familiarity with Liquibase or similar tools for schema versioning and database change management.

Desired Skills

• Experience with Java applications interacting with PostgreSQL.
• Exposure to distributed systems or event-driven architectures (e.g., Kafka, Solace).
• Familiarity with AI-assisted development workflows (e.g., Cursor, Claude agents).
• Experience migrating high-traffic, low-downtime services.