Flervous Nzateh

Etl Sql Developer @Tekion Corp

Design, develop, and maintain ETL processes to extract, transform, and load data from various sources into data warehouses, ensuring accuracy and consistency.• Develop complex SQL queries to extract, manipulate, and analyze large datasets, ensuring optimal performance and query efficiency.• Collaborate with cross-functional teams to understand business requirements and translate them into technical solutions.• Implement and optimize ETL workflows using tools like Informatica, SSIS, or Apache NiFi to ensure seamless data integration.• Troubleshoot and resolve data integration issues, ensuring high data quality and minimal downtime in ETL processes.• Build and maintain SQL scripts and stored procedures for data extraction, transformation, and reporting purposes.• Perform data validation and cleansing activities to improve data quality and consistency across systems.• Monitor and optimize ETL processes, ensuring they meet performance benchmarks and handle large volumes of data efficiently.• Conduct root cause analysis on data discrepancies and implement fixes to ensure data accuracy across systems.• Develop and maintain documentation for ETL processes, data models, and business logic to ensure clarity and knowledge sharing across teams.