**Job Objective:** To support, develop and continuously improve the company's systems and databases, focusing on data extraction, analysis and processing. The professional will be responsible for ensuring the integrity, efficiency and reliability of information used by business areas. **Main Responsibilities:** * **Development and Maintenance of Advanced SQL Queries:** Creation of complex scripts, stored procedures, views and triggers to meet reporting, data extraction and process automation requirements. * **Data Analysis and Modeling:** Understanding existing data models, suggesting improvements and participating in the design of new structures to support system enhancements. * **Corporate Systems Support:** Resolving incidents and issues related to internal systems, with focus on data integrity and consistency. * **Requirements Gathering:** Interacting with business areas to understand needs, map processes and transform demands into feasible technical solutions. * **System Integration:** Supporting the development and maintenance of integrations between internal and external systems (via APIs, procedures, ETL, etc.), ensuring correct information flow. * **Data Validation and Quality Assurance:** Analyzing and validating data in relational databases, identifying inconsistencies and assisting departments in interpreting information. * **Technical Documentation:** Creating and updating functional and technical documentation for systems, SQL routines and automated processes. **Technical Requirements:** * **Advanced proficiency in SQL (mandatory)** – performance tuning, complex joins, subqueries, CTEs, handling large volumes of data * Knowledge of relational data modeling and normalization * Experience with databases such as SQL Server, Oracle, PostgreSQL or MySQL * Experience in industry * Familiarity with BI or ETL tools (desirable) * Basic programming skills (e.g., Python, PL/SQL, T\-SQL) are a plus * Ability to understand business processes and translate them into technical solutions **Desired Profile:** * Analytical thinking and attention to detail * Ability to interpret and manipulate large volumes of data * Good communication skills for interacting with both technical and non-technical teams * Ability to work independently with a sense of responsibility