Harish Ashok

4+ years of expertise in data pipeline design and implementation, enhancing database performance and maintaining data security. Skilled in Apache Spark, PySpark, SQL, Python, and GCP, emphasizing scalable solution delivery. Strong track record of addressing complex challenges and converting requirements into practical insights.

Data Engineer at Wipro Subsidiary - Harman Connected Services (2022-09 – 2026-02)

Designed, developed, and implemented ETL pipelines for structured and unstructured data. Built scalable data pipelines and automated workflows. Optimized data warehouse performance and implemented CI/CD pipelines.

• Designed, developed, and implemented ETL (Extract, Transform, Load) pipelines for structured and unstructured data using Python, SQL, Apache Spark, and Hadoop
• Built scalable data pipelines and automated workflows to ingest, transform, and load data into data warehouses and data lakes
• Performed data validation, data cleansing, and data quality checks, ensuring high data integrity, accuracy, and consistency
• Optimized data warehouse performance, query execution, indexing strategies, and storage management
• Managed full SDLC lifecycle including requirement gathering, design, development, unit testing, integration testing, UAT, and production deployment
• Implemented CI/CD pipelines for automated build, testing, and deployment in cloud environments, improving release efficiency and reducing downtime
• Utilized Git version control, branch management, and code reviews to support Agile/Scrum-based development teams
• Processed large-scale datasets using Apache Spark (RDD, DataFrames, Spark SQL) to enhance big data processing performance by 30%

Finance Executive at Micolinks Services India Pvt Ltd (2019-08 – 2022-09)

Prepared financial reports and managed accounts payable and receivable processes. Ensured financial data accuracy and compliance with regulatory requirements.

• Prepared monthly, quarterly, and annual financial reports for management review and decision-making
• Verified and validated financial data to ensure 100% accuracy and compliance with internal controls
• Managed accounts payable (AP) and accounts receivable (AR) processes including invoice verification and payment tracking
• Supported internal and external audit processes by preparing required documentation and financial records
• Maintained structured financial records and ensured compliance with statutory and GST requirements
• Coordinated with cross-functional teams to ensure timely financial data submission and reporting
• Improved reporting efficiency by streamlining data organization and standardizing documentation processes

BCA in Computer Applications – Swami Vivekananda Global University