Database Engineer - Ledigt jobb hos I-Ray IT Solutions AB

Database Engineer – Oracle to PostgreSQL Migration

Location: Stockholm, Sweden (Hybrid – 2 days onsite per week)

Employment Type: Contract (6 months with strong possibility of extension)

Start Date: Mid-September 2026

About the Role

We are looking for an experienced Database Engineer to join a large-scale database modernization project. In this role, you will play a key part in migrating enterprise database services from Oracle to PostgreSQL while ensuring high performance, stability, and reliability throughout the migration process.

This position combines hands-on migration work with database analysis, optimization, and collaboration with development teams to deliver scalable and maintainable database solutions.

Key Responsibilities

• Plan and execute Oracle-to-PostgreSQL database migration activities.
• Design and implement efficient PostgreSQL database solutions.
• Review database schemas, configurations, and application database interactions.
• Identify performance improvements and optimization opportunities.
• Ensure database integrity, stability, and compatibility during migration.
• Collaborate with software engineers and technical teams throughout the project.
• Prepare technical documentation, migration guidelines, and best practices.

Required Qualifications

• Proven experience as a PostgreSQL Database Administrator or PostgreSQL-focused Database Engineer/Developer.
• Strong knowledge of PostgreSQL administration and performance tuning.
• Solid understanding of Oracle database concepts and architecture.
• Hands-on experience delivering Oracle-to-PostgreSQL migration projects.
• Experience with SQL and database design principles.
• Familiarity with Liquibase or similar database versioning and change management tools.
• Ability to work independently while collaborating effectively within cross-functional teams.
• Strong analytical and problem-solving skills.

Preferred Qualifications

• Experience working with Java applications connected to PostgreSQL.
• Knowledge of distributed systems or messaging platforms such as Kafka or Solace.
• Familiarity with AI-assisted development tools such as Cursor or Claude.
• Experience supporting high-volume production systems and low-downtime database migrations.

Work Arrangement

• Hybrid work model with two onsite days per week in Stockholm.
• Initial contract of six months with a strong possibility of extension.
• Start in mid-September 2026.