We are looking for an experienced SQL Developer with deep, practical expertise in MS SQL Server, with a focus on query optimization, performance tuning, and the design of efficient database schemas. A key part of this role is reviewing, analyzing, and improving existing SQL and schema structures on the OLTP systems. Requirements * 3+ years of hands-on experience with MS SQL Server as a SQL Developer * Demonstrated practical experience in SQL query optimization * Strong skills in analyzing execution plans, designing indexing strategies, and tuning performance * Strong ability to write clean code in accordance with the project's technical requirements * Solid knowledge of OLTP database design principles and best practices * Ability to present real examples of performance improvements or schema redesigns you have implemented Core Responsibilities * Create database objects/writing stored procedure * Analyze and optimize slow SQL queries in MS SQL Server (joins, subqueries etc.)Work with execution plans, indexes, statistics,



and partitioning to enhance performance * Demonstrates the ability to clearly understand and effectively analyze business requirements * Collaborate with developers to ensure efficient SQL and schema use across the platform * Propose structural, architectural, and performance-oriented improvements What We Offer * Continuous learning and career growth opportunities * Professional training and English/Spanish language classes * Comprehensive medical insurance * Mental health support * Specialized benefits program with compensation for fitness activities, hobbies, pet care, and more * Flexible working hours * Inclusive and supportive culture About Us Established in 2011, Trinetix is a dynamic tech service provider supporting enterprise clients around the world. Headquartered in Nashville, Tennessee, we have a global team of over 1,000 professionals and delivery centers across Europe, the United States, and Argentina. We partner with leading general brand

📌 SQL Developer (Madrid)
🏢 Trinetix
📍 Madrid