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 brands, delivering innovative digital solutions across Fintech, Professional Services, Logistics, Healthcare, and Agriculture. Our operations are driven by a strong business vision, a people-first culture, and a commitment to responsible growth. We actively give back to the community through various CSR activities and adhere to international principles for sustainable development and business ethics. To learn more about how we collect, process, and store your personal data, please review our Privacy Notice: https://www.trinetix.com/corporate-policies/privacy-notice

#J-18808-Ljbffr

📌 SQL Developer (Madrid)
🏢 Trinetix
📍 Madrid