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Senior Back-end Developer - Database

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Gdańsk
Białystok
Wrocław
Warszawa
+7
Expires Nov 29, 2026
4 days ago

In short

Senior Back-end Developer with 6+ years experience in database tech (MongoDB, PostgreSQL, Virtuoso, OpenSearch). Design, develop, optimize, and maintain database solutions. Troubleshoot issues. Gdańsk based. NO remote.

Keywords

MongoDB PostgreSQL Virtuoso Triple Store OpenSearch database optimization data modeling backend development

AI-written summary based on the listing content.

Senior Back-end Developer – Database

We 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:

  • MongoDB

  • PostgreSQL

  • Virtuoso Triple Store

  • OpenSearch

  • 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 role

  • Good communication and collaboration skills

Nice 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 2026-10-29
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