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Link Group

Senior Back-end Developer - Database

Link Group Show all offers
Białystok
Warszawa
Gdańsk
Wrocław
+7
Expires Nov 29, 2026
4 days ago

In short

Link Group seeks a Senior Back-end Developer in Białystok, PL. Requires 6+ years experience with MongoDB, PostgreSQL, Virtuoso Triple Store, OpenSearch, database design, optimization, and troubleshooting. 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 – 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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