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Data Software Engineer
  • Kraków
Data Software Engineer
Kraków, Kraków, małopolskie, Polska
Square One Resources Sp. z o.o.
28. 1. 2026
Informacje o stanowisku

Take full ownership of the database layer of the product, ensuring the integrity and performance of data.

Enable real-time identity security analysis for a global user base.

Data Software Engineer



Your responsibilities

  • Comprehensive management of the database layer, including routine maintenance, configuration, and resolution of complex SQL-specific performance bottlenecks.
  • Management and evolution of the TypeScript data access layer bridging the core SQL logic with backend services.
  • Troubleshooting and resolving intricate data-specific issues during live technical meetings with customers.
  • Continuously optimizing Microsoft SQL Server to handle large-scale identity-based data analysis.

Our requirements

  • Deep, expert-level knowledge of Microsoft SQL Server, including performance tuning, indexing strategies, and complex stored procedure development.
  • Strong software engineering skills in TypeScript, specifically for developing and maintaining data access layers.
  • Proven ability to analyze and optimize database performance in high-load, production environments.
  • Experience in leading technical deep-dives with customers to diagnose data-related challenges in real-time.
  • Understanding of database schema design, migration strategies, and data integrity principles.
  • 4+ years of experience as a Data Engineer, Database Developer, or Backend Engineer with a strong focus on SQL.
  • Exceptional analytical skills with a 'data-first' approach to problem-solving.
  • Full English Proficiency.
  • Work from the client’s office 2–3 days per week in Warsaw or Kraków.
  • Experience with large-scale identity data (Active Directory/Entra ID).

 

  • Praca Kraków
  • Kraków - Oferty pracy w okolicznych lokalizacjach


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