Shivam Upadhyay

Project: Dun & Bradstreet, INC. | WEB Application |

• Worked on Ruby on Rails framework to rewrite the backend of old application for the latest code changes.
• Worked for Migrating the UI from legacy UI to Angular8.
• Worked for Version Upgradation of the application from rails version 3 to rails 6 and indulged in bug fixes.

Project: Perspicacity (Ultimatix) | Internal project |

• Built and tested RESTful APIs using Spring Boot (Java).
• Integrating business logic and service layers for seamless performance.
• Implemented data access and persistence logic using JDBC Template with PostgreSQL, managed via pgAdmin.
• Used Postman extensively for API testing, validation, and debugging during development.
• Designed and built archival functionality to efficiently manage and store historical data, improving data retrieval performance.
• Developed features for the application and indulged in bug fixes

Project: Citigroup Inc. | BFSI |

• Developed and maintained microservices using Spring Boot and Java 8 for a large-scale financial application.
• Designed and implemented time zone–aware date/time handling logic to ensure accurate transaction timestamps across global regions.
• Built and consumed RESTful APIs and integrated them with dynamic Angular-based UI components.
• Worked with MySQL and JPA/Hibernate for persistent storage, and handled schema evolution using Liquibase.

• Project: Company Portal | Internal Project | Programming Languages: Ruby on Rails
• Design, implementation, and maintenance of Rails applications.
• Used ruby on rails as main technology at the backend.
• Developed features for the application and indulged in bug fixes.
• Have exposer of Sonar Qube coding standards and Grafana logs

• Project: FabHr – (Human Resource Management System ERP) | Internal Project | Programming Languages: Java, Spring-boot, Angular
• Using Spring Boot to develop RESTful APIs.
• Design, implementation, and maintenance of Java applications.
• Developed features for the application and indulged in bug fixes.