Sai Jagadeesh Kumar Desu

Experience

1. Python Developer

   Barclays

   Jan 2025 — Present · US

   Designed and optimized large-scale ETL pipelines using PySpark and Azure Data Factory, improving processing throughput by 20%. Built a Python-based Ethereum balance checker that tracked ETH and ERC-20 tokens across tens of thousands of addresses. Integrated with Ethers can, Alchemy, and Infura APIs to fetch real-time balances and market data via CoinGecko API, enabling automated portfolio valuation. Developed end-to-end ETL workflows to extract data from Azure SQL, Blob Storage, and Oracle into Azure Data Lake Gen2, automating transformations and validations using Python and PL/SQL. Engineered streaming data ingestion from Kafka into Spark for real-time log processing, applying quality checks and error flags. Deployed and managed microservices on Kubernetes using Docker, ensuring scalable architecture for Python-based workloads. Automated configuration handling with MongoDB and PyMongo, enhancing application flexibility and reducing manual effort. Developed Spark jobs in Databricks, optimizing batch intervals, memory usage, and compute parallelism. Created CI/CD pipelines using Azure DevOps and GitHub for seamless deployment across environments. Applied Terraform for infrastructure-as-code provisioning and explored ML techniques for predictive insights on transactional data.

Education

• Wilmington University

  Information Technology, Information Technology

• Jawaharlal Nehru Technological University Kakinada (JNTUK)

  Bachelor of Engineering - BE