Alejandro Atehortua

Computer Engineer with over 10 years of experience in Information Technology. Proficient in technical English (B1 level) and specialized in database administration, reporting, and web development. Experienced in managing production and development database environments, ensuring optimal performance, security, and reliability.

Skilled in designing and developing reports and dashboards to support data-driven decision-making. Proficient in .NET, HTML, CSS, and JavaScript, with solid knowledge of SQL Server, Oracle, and MySQL database engines. Adept at database design, optimization, and implementation of robust data solutions.

Recognized for a strong team-oriented approach, problem-solving skills, and the ability to deliver projects on time and with high quality in multidisciplinary environments.

DBA - Data Analyst - Developer - Organización VID Congregación Mariana - Medellín, Colombia

(2023-09)

• Development of complex SQL queries to optimize database performance.
• Implementation and maintenance of data backup and recovery procedures.
• Configuration and monitoring of database security.
• Collaboration in database migrations to cloud environments.
• Participation in database infrastructure upgrade and improvement projects.
• Experience in performance tuning and troubleshooting of database systems.
• Collaboration in the planning and execution of database software updates.
• Experience in administration of MySQL, SQL Server, and Oracle databases.
• Skilled in designing and optimizing SQL databases for data analysis.
• Participation in data modeling projects and development of reports and dashboards.
• Experience in data extraction and transformation using tools such as SQL and Oracle Developer.
• Creation of data warehouses (QVDs) for data analytics and business intelligence.
• Experience in developing dashboards and reports using tools such as Qlik Sense and Power BI.

Database Systems Analyst - LANDERS Y CIA - Medellín, Colombia

(2022-08 - 2023-09)

• Knowledge of advanced SQL queries and query optimization.
• Experience in database administration, including backup and restoration procedures.
• Ability to identify and resolve performance issues in databases.
• Experience in creating and maintaining stored procedures, functions, and triggers.

Software Analyst - SIMPLEXITY S.A.S - Medellín, Colombia

(2021-08 - 2022-08)

• Implementation and configuration of ERP systems in a manufacturing company.
• Development of customized software solutions for clients in a software development company.
• Optimization of internal processes through task automation in a financial services company.
• Providing technical support to users of the company's products.
• Development of reports for internal and client use.
• Correction of stored procedures and resolution of data integrity issues.

Software Development Analyst - E-GLOBAL (Renting Colombia) - Medellín, Colombia

(2019-09 - 2021-09)

• Knowledge in the use of SQL databases for data storage and management.
• Development of transactional reports.
• Development of application functionalities using .NET.
• Correction of data integrity issues in databases.
• Providing Level 3 technical support.

Software Development Analyst - WIN SOFTWARE - Medellín, Colombia

(2018-06 - 2019-07)

• Development of reports using JasperReports, Crystal Reports, and ReportViewer.
• Creation of stored procedures for database operations.
• Design and development of forms using Servlets, Java, HTML, and JavaScript.
• Providing system support, including functionality troubleshooting and stored procedure maintenance.

Computer Engineering - Computer Engineering - Politécnico Jaime Isaza Cadavid (2024)

Data Systems Technology - Data Systems - Politécnico Jaime Isaza Cadavid (2019)

Data Systems Technician - Data Systems - Politécnico Jaime Isaza Cadavid (2015)