Visa Inc - Above and Beyond Silver Award, Recognized by senior leadership for seamlessly adapting to changing requirements, demonstrating flexibility, and delivering high-quality results under tight deadlines.
Developed an end-to-end Power BI dashboard for Visa’s risk officers, featuring over 20 visuals and custom filters for a dataset of 50 million records sourced from Excel, CSV, MySQL, and Hadoop. This included scheduled data jobs on Hadoop/MySQL.
Created multiple data-intensive, 3-tier architecture-based web dashboards for the Global Risk team, tracking key indicators in the payment ecosystem. These dashboards featured various chart types, including an interactive 3K+ node graph with drill-down capabilities. Responsibilities included frontend, backend, and database development, scaling from 14 to 3K+ entities, and collaborating closely with stakeholders to meet business objectives.
Led a critical data migration project involving access control, table creation, workflow updates, and comprehensive testing and validation for a dataset shared among 10+ teams. Executed significant technology upgrades (JDK 17, Gradle, Spring, Spring Security, Tomcat 10), including server configuration and Jenkins job updates for multiple projects.
Enhanced the quality of five projects by implementing best practices and development workflows using SonarQube, Checkmarx, Bitbucket controls, and other tools. This improved code quality and development and release processes, resulting in increased operational efficiency and reduced code errors, security vulnerabilities, and redundancy. Also served as Lead Release Engineer, overseeing multiple project releases for the past three years.
Managed infrastructure tasks from POC to production, including setting up a new edge node, configuring Jenkins jobs, and database setup for both production and non-production environments. Resolved over 100 security findings, ensuring a secure application environment. Addressed business problems related to sharing input files for scheduled Hadoop data jobs on UNIX servers using NAS storage setup.
Developed a full-stack web application from scratch, creating an online platform for managing a company-specific questions repository used by the recruitment team for adaptive tests.