SQL Developer – Reporting & Data Quality

Description

Job Summary: We are seeking a technically skilled SQL Developer with strong analytical capabilities and experience in building, maintaining, and optimizing SQL-based data processes to ensure information reliability and quality. Key Responsibilities: 1. Development of complex SQL solutions for reporting and data exploitation 2. SQL query optimization and performance tuning 3. Design and implementation of database processes and business rules We are looking for a **SQL Developer** with solid experience in data environments and reporting, to join a long-term project extending until December 2026\. The ideal candidate will be technically proficient, possess strong analytical skills, and have hands-on experience building, maintaining, and optimizing SQL-based data processes—ensuring the reliability, stability, and quality of business-critical information. Position Details * Duration: until 12/31/2026 * Salary: 32Ks * Location: Calle Serrano Galvache nº56 (Madrid) * Work Modality: * 100% on-site for the first 3 months * Thereafter: 2 days on-site / 3 days remote + Working Hours: * Mon–Thu: 9:00–19:00 * Fri: 9:00–14:00 * July and August: Intensive schedule from 8:00 to 15:00 Responsibilities* Design and implementation of database processes and business rules. * Development of complex SQL solutions focused on reporting and data exploitation. * SQL query optimization and performance tuning. * Creation and maintenance of stored procedures, functions, and SQL logic. * Data analysis for validation, inconsistency detection, and operational support. * Participation in system integration and ETL processes (desirable). * Continuous improvement of data quality, process stability, and efficiency. Requirements* 4–6 years of experience as an SQL Developer. * Advanced SQL proficiency, especially in reporting. * Experience with SQL Server, Oracle, and/or PostgreSQL. * Solid knowledge of performance tuning and query optimization. * Experience with stored procedures and database design. * Experience in data analysis and data quality. * Advanced English proficiency. * Preferred Qualifications * Experience with BI tools such as Power BI. * Hands-on, operational, and results-oriented profile. * Autonomy, proactivity, and prioritization ability. * Focus on data quality and continuous improvement. Location