SQL Developer

Groupe SII

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

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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...
            

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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