New offer - be the first one to apply!

December 17, 2025

Database Expert (PostgreSQL)

Senior • Remote

Warszawa, Poland

Your responsibilities:

  • Design, optimize, and maintain relational database structures supporting large-scale distributed data processing systems.

  • Analyze and improve SQL query execution plans to ensure top performance.

  • Implement indexing, partitioning, and server configuration best practices for PostgreSQL.

  • Develop and optimize data models for complex and high-volume systems.

  • Ensure data security, integrity, and availability across multiple environments.

  • Work with very large datasets (hundreds of millions of records) efficiently and reliably.

  • Collaborate with development and DevOps teams to integrate database solutions with CI/CD pipelines.

  • Support ongoing system development and maintenance of a distributed platform that processes data from multiple independent sources.


We are looking for you, if you have:

  • Minimum 7 years of experience working with relational databases.

  • Excellent knowledge of PostgreSQL, including query optimization, indexing, partitioning, and server configuration.

  • Proven ability to analyze and improve SQL execution plans.

  • Experience designing and optimizing data models for large and complex systems.

  • Understanding of data security and integrity principles.

  • Hands-on experience working with large datasets (hundreds of millions of records).

  • Knowledge of index design and relational schema modeling.

  • Experience with CI/CD tools and Git/GitLab.

  • (Nice to have) Experience in PostgreSQL administration (configuration, monitoring, replication, backups).

  • (Nice to have) Familiarity with monitoring and diagnostic tools for database performance.


We offer:

  • Participation in interesting and challenging projects.

  • Flexible working hours.

  • A great, non-corporate atmosphere.

  • Opportunities for development and promotion.

  • Attractive package of benefits.

  • Remote work.


We reserve the right to contact the selected candidates.