SQL Developer

Groupe SII
📍 Warsaw, Masovian Voivodeship, Poland 💼 Full-time 🕒 Posted February 23, 2026

Job Description

We are looking for Senior SQL Developer able to work independently with defined problems on a highly complex level within certain areas of expertise. Must be able to lead, train and coach other project members.

Your role
  • Designing, developing, and maintaining SQL databases to meet business requirements
  • Creating and optimizing complex SQL queries to retrieve and manipulate data
  • Developing and maintaining stored procedures, functions, triggers, and scripts
  • Building and maintaining reconciliation reports
  • Analyzing and optimizing database performance, including indexing, query optimization, and identifying performance bottlenecks
  • Your skills
  • At least 8 years of experience in IT projects
  • Minimum 5 years as SQL Developer
  • Strong SQL development skills
  • Microsoft SQL Server Database experience
  • Working knowledge of SSIS, SSAS
  • Knowledge of procedures, Views, Functions, and other PL/SQL c...
  • Ready to Apply?

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    Job Details

    • Location Warsaw, Masovian Voivodeship
    • Job Type Full-time
    • Category Computer Occupations
    • Posted Date February 23, 2026
    • Application Deadline April 04, 2026