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Senior Back-end Developer - Database

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Kraków
Wrocław
Gdańsk
Białystok
+7
10 days ago

In short

Senior Back-end Developer (Kraków) with 6+ years of experience in database technologies (MongoDB, PostgreSQL, Virtuoso, OpenSearch). Focus on designing, optimizing, and maintaining database solutions, data modeling, and performance tuning. Full-time role.

Keywords

MongoDB PostgreSQL Virtuoso Triple Store OpenSearch Database Design Data Modeling Performance Optimization Backend Development

AI-written summary based on the listing content.

Senior Back-end Developer – DatabaseWe are looking for a Senior Back-end Developer with strong experience in database technologies and data-intensive backend environments.

Requirements:

Minimum 6 years of professional experience working with backend/database technologies

Strong hands-on experience with:

Mongo

  • DBPostgre
  • SQL
  • Virtuoso Triple Store
  • Open
  • Search
  • Experience designing, developing, optimizing and maintaining database solutions
  • Strong understanding of data modelling, querying, indexing and performance optimization
  • Experience troubleshooting complex database-related issues
  • Ability to work independently in a senior-level engineering roleGood communication and collaboration skillsNice to have:

Experience working with large-scale or distributed data environments

  • Experience with cloud-based infrastructure
  • Knowledge of CI/CD and modern software development practices
  • Experience working in Agile teams
Published 2026-09-08
Expires 2026-11-29
Source

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