Krishna Shankar Email & Phone Number

Tokyo, Japan

Revamp of Web Application• Enhanced backend systems using Spring Boot for improved performance, scalability, and maintainability.• Developed robust RESTful APIs to ensure seamless integration and communication within the web application.• Implemented secure OAuth 2.0 protocols for improved user authentication and authorization.• Collaborated with UI/UX designers to enhance the user interface using React.js and conducted usability testing to refine the application.Data Migration• Converted Teradata SQL scripts to BigQuery SQL on Google Cloud Platform, ensuring data integrity and optimal performance.• Developed and executed unit tests and logical tests using Python to validate and verify the accuracy of the migrated data.• Created Python scripts for automated testing, code migration, and data validation• Designed and implemented DAGs in Apache Airflow to streamline and automate data migration workflows.

Bengaluru, Karnataka, India

Designed, debugged, and optimized RESTful APIs using Java and Spring Boot as part of a codebase revamp and Implemented CI/CD pipelines using Jenkins, automating build, test, and deployment processes.• Implemented a streamlined data upload process, enabling seamless integration with AWS DynamoDB databases.• Created a robust API to handle Excel file uploads with data validation, reducing processing time by 90%.Implemented comprehensive CRUD operations and integrated Redis to cache frequently fetched data, significantly improving retrieval speeds.• Built and deployed service infrastructure utilizing AWS services including S3, CloudFront, and DynamoDB focusing on high availability, fault tolerance, and auto-scaling.• Managed version control and collaborated through Git for code development, ensuring efficient code management, version tracking, and team collaboration.

Mumbai, Maharashtra, India

• Fetching data from databases, processing and building Machine learning Models using Python.• Built a Credit risk model to predict the probability of default at the time of lending on Azure Cloud Services using Bureau data of the customers.• Pre‑processed the POS data of Mobile Dealers and Identified the most suitable locations using Geospatial clustering, to place the businessexecutives for maximum customer reach via DBSCAN Algorithm.

Bachelor Of Technology - Btech, 9.1

Master Of Technology - Mtech, 9.0

High School

Secondary School