• Developed REST API endpoint to query application grants by key name, implementing deduplication and sorting algorithms for enterprise-scale Key Management System.

• Optimized contact management system by implementing retry logic with database constraints, eliminating distributed lock dependencies and improving concurrent request handling by 40%.

• Developed a Python-based automated solution for issuing and managing PKI certificates through HashiCorp Vault API integration.

• Implemented secure authentication using AppRole authentication method with client token retrieval.

• Enhanced change management integration- Implemented ServiceNow ticket validation and workflow management for keygroup promotions, including automatic ticket creation, state validation, and second check-in functionality for blocked changes for Keymaker API

• Designed and implemented workflow tracking for keygroup promotion operations, including handling of existing workflows, blocked changes and automatic status updates.

• Built comprehensive test automation suite using Selenium WebDriver and TestNG framework to validate CHG ticket lifecycle states(Blocked, Scheduled, Cancelled, Closed)

• Created reusable UI components for CHG ticket status display with retry capabilities, improving user experience for ~100 high-risk applications.

• Developed a tracker table prototype on GitHub for business partners, enabling seamless data evaluation using javascript, HTML, CSS, jQuery, and JSON.

• Engineered file scanning algorithms for business validation using JavaScript and automated workflows through GitHub Actions.

• Contributed to a GoLang API POC leveraging the Gin framework, GORM, Docker, and PostgreSQL, optimizing backend services.

• Led the migration of GoLang to a Java API stack utilizing Spring Boot JPA and Hibernate, modernizing the system for improved performance.

• Played a pivotal role in the digital transformation initiative by cataloging and monitoring the entire American Express web ecosystem, driving growth, and ensuring compliance across all markets.

• Implemented Reactive Programming techniques to boost the responsiveness and efficiency of the authentication process.

• Leveraged Functional Programming paradigms to optimize the codebase, improving its maintainability and scalability.

• Integrated Lambda functions to streamline and simplify code execution.

• Spearheaded the migration to American Express SYNAPSE framework for Claims-Based Identity Service (CBIS), ensuring secure user authentication for card services.

• Supported applications consuming CBIS endpoints, implementing authentication methods such as HMAC API KEY and A2A JWT to enhance security.

• Developed an API service that computes risk scores for transactions based on user, device, and session data by integrating with third-party/internal solutions like RSA Gatekeeper and inAuth. The service streamlined fraud detection by delivering comprehensive risk assessments for current transactions.

• Worked on the development, support, analysis of home mortgage admin applications which are designed to help fulfill needs of the home mortgage consultants websites and personal records.

• Collaborated with business partners to analyze and develop various development tasks according to business needs.

• Handled large data volumes using BigQuery for querying and processing business-critical datasets, helping improve the Home Mortgage Application data pipeline by analyzing transaction data at scale.

• Worked with DataFlow to design and implement real-time and batch data processing for home mortgage sales volume tracking and Home Mortgage Consultant Pages, significantly enhancing response times and data accuracy.

• Utilized Composer to manage workflows for complex data pipelines in home mortgage applications and consultant data, automating processes and ensuring seamless integration of various services.

• Developed the presentation layer using JSP, HTML, TypeScript, Angular 8, CSS, jQuery, and JavaScript.

• Developed and supported applications using Java, SQL, PCF CI/CD pipeline.

• Fixed bugs and defects within the application by debugging the code, fixed sonarqube vulnerabilities, checkmarx issues, and writing JUnit test cases for code coverage

• Worked on the development, support, analysis of Phoenix web aplication which is a system of records for wholesale broker and correspondent lender information.

• Collaborated with Business partners to analyze, develop various development tasks according to the business needs in Agile environment.

• Migrated Struts framework to Spring MVC. Migrated the application from traditional server to the PCF private cloud environment.

• Fixed bugs, defects within the application, enhanced web services, added new web pages, fixed sonarcube vulnerabilities, fixed checkmarx issues and more.