Database Engineer

PostgreSQL Database Engineer with Oracle-to-PostgreSQL migration experience – this opportunity is for you. Join a large-scale, business-critical database migration where you will take a key hands-on role in moving database services from Oracle to PostgreSQL. You will combine deep technical expertise with ownership and close collaboration with development teams in a large international technology environment.

Job descriptionAs a Database Engineer, you will play a central role in the end-to-end migration of database services from Oracle to PostgreSQL. The assignment is highly technical and hands-on, while giving you the opportunity to take technical ownership and act as an important link between development teams and the database environment.

Working closely with developers and database specialists, you will translate application requirements into reliable and practical PostgreSQL solutions. You will review and validate database schemas, configurations and application changes to ensure accuracy, compatibility and performance throughout the migration.

A key objective is to ensure a smooth transition with minimal disruption to business-critical services. The applications do not contain PL/SQL code, meaning no PL/SQL conversion is required as part of the assignment.

Key responsibilitiesLead and provide hands-on technical support throughout the Oracle-to-PostgreSQL migration

Work closely with development teams and database specialists throughout the migration journey

Translate application requirements into practical and reliable PostgreSQL solutions

Review and validate database schemas, configurations and application code changes

Ensure database performance, compatibility and accuracy throughout the migration

Troubleshoot PostgreSQL-related issues and contribute to technical decision-making

Work with Liquibase for database schema versioning and migration

Contribute to a migration approach that minimizes downtime and disruption to business-critical services

Document technical findings, learnings and best practices for future database migrations

We are looking for someone whoHas extensive professional experience as a PostgreSQL DBA, Database Engineer or PostgreSQL Developer

Has deep technical knowledge of PostgreSQL and is comfortable working hands-on with databases

Has previous experience with Oracle-to-PostgreSQL migration projects

Has a good understanding of Oracle databases and Oracle-to-PostgreSQL datatype mappings

Has experience working with database schemas, SQL, configurations and database performance

Has experience with or a good understanding of Liquibase and database schema versioning

Is comfortable working independently within an established migration framework

Is proactive, structured and able to take technical ownership of complex migration activities

Has strong communication and collaboration skills and enjoys working closely with software development teams

Is fluent in English, both spoken and written, as this is the primary working language

Nice to have

It is considered an advantage if you have experience with:

Java applications connected to PostgreSQL

Distributed systems and event-driven architectures

Kafka and/or Solace

Migrating high-traffic or business-critical services with minimal downtime

AI-assisted development workflows and tools such as Cursor, Claude or similar agent-based solutions

Great emphasis will be placed on your ability to combine deep technical expertise with a collaborative mindset. We believe you enjoy solving complex technical challenges, taking initiative and helping development teams move forward throughout the migration.

About the clientOur client is a large international company within the gaming and digital entertainment industry, operating high-traffic digital services across multiple markets. Technology is at the core of the organization, with a strong focus on developing and modernizing scalable, reliable and business-critical platforms.

In this assignment, you will become part of a technically complex environment where database reliability, performance and availability are essential to the business.

Due to the confidential nature of the recruitment process, further information about the company will be shared at a later stage.

About the employmentThis is a 12-month consulting assignment, where you will be employed by Friday and work as a consultant for our client.

Other informationScope: Full-time

Start: As soon as possible, with consideration to any notice period

Location: Central Stockholm

Contact: Axel Stubbing, axel.stubbing@friday.se

About Friday

At Friday, we are passionate about helping tech talent find opportunities where they can grow, develop and look forward to going to work. By understanding what motivates you, we match you with companies and assignments that fit both your skills and ambitions.

We value potential and ambition and actively work towards an unbiased recruitment process where everyone is given the same opportunity to succeed.