A senior data engineer and ETL developer with over 10 years of experience designing, developing, integrating, and maintaining medium to enterprise data environments across SQL Server, Oracle, and Cloud environments. Oscar’s an expert with Talend and Informatica, he also has extensive T-SQL and PL/SQL experience. He holds AWS practitioner and snowflake essentials certifications.Hire Oscar
Responsible for developing stored procedures and user functions, performance and tuning of SQL Server, Oracle, and MySQL environments. Implementing ETL processes and developing jobs with Talend integrating datalakes and snowflake clusters. Also responsible for control versioning, python scripting and maintenance.
Developed, maintained,and implemented ETL processes for SQL Server, Oracle, MySQL, and PostgreSQL environments. Responsible for analyzing, programming, administering, tuning, and deploying SQL Server databases. Developed complex stored procedures and user functions, created and maintained data models.
Designed data warehouses, built data workflows, and implemented ETL processes. Responsible for performance tuning and deploying SQL Server databases, maintaining and creating T-SQL and PL/SQL tables, building native queries for ad hoc reports, and testing.