
Sultan
Certified Data Engineer
Skills

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Work experience
Data Engineer
Infosys • Full-time
Feb 2022 - Mar 2025 • 3 yrs 1 mo
Developed and optimized ETL/ELT pipelines using Databricks, Python (PySpark), AWS S3, Apache Airflow, and Snowflake for enterprise-scale data processing. Converted complex Teradata SQL procedures into optimized PySpark workflows to improve automation, scalability, and performance. Designed and implemented scalable Databricks workflows for data ingestion, transformation, and reporting solutions. Integrated multiple enterprise data sources and ensured reliable data delivery across downstream systems. Performed testing, validation, troubleshooting of data pipelines to ensure high data quality and system stability. Collaborated with business stakeholders, analysts, and cross-functional teams to gather requirements and deliver data-driven solutions. Enhanced workflow efficiency by modifying Informatica workflows and BTEQ scripts for region-specific business use cases. Managed role-based access controls (RBAC) and implemented secure data access mechanisms using Unity Catalog. Supported CI/CD deployment activities and participated in Agile-based software development practices.