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.

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

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





Collaborate with developers to ensure efficient SQL and schema use across the platform

Propose structural, architectural, and performance-oriented improvements

Professional training and English/Spanish language classes

Comprehensive medical insurance

Adaptable working hours

Established in ****, 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 global brands, delivering innovative digital solutions across Fintech, Professional Services, Logistics, Healthcare, and Agriculture.

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📌 SQL Developer with English (Madrid)
🏢 Trinetix
📍 Madrid