Mansi Gaur

• Working on the Decommissioning of a Vendor Application previously used for account creation, maintenance & closure in Trust & Estates.
• Handled all three modules- creation , maintenance and closure- ensuring seamless migration and functionality.
• Developed the backend using Java, Springboot, ensuring robust and scalable APIs.
• Worked on the frontend using react, enhancing user experience and maintaining feature parity with the legacy system.
• Recommended improvements to facilitate team and project workflow.

Led a 7-member team to re-orchestrate the Lost and Stolen API, enhancing legacy fraud case management workflows for agents, handling 200K+ monthly card closures and cutting down response times by 70%.
• Saved 8M USD in agent expenses by implementing a new fraud reporting and card replacement feature for 20M+ customers through digital channels by developing 6 REST APIs and integrating with 42 Internal APIs.
• Secured acquisition of 3.8B USD GAP Co-branded Credit Cards portfolio by developing 5 REST APIs and modified spring batch jobs to handle 30k+ post and pre-converted transactions per day.
• Engineered a REST API that increased authorization-to-transaction matching accuracy by 80%, leading to an annual recovery of 2M USD through improved detection and flagging of fraudulent transactions at TSYS.
• Migrated 40 micro-services from OpenShift APAAS V3 to V4, optimizing configuration, Jenkins stages, and secret management, resulting in a 20% increase in deployment efficiency and production rollout.
• Developed and integrated 10 REST and SOAP APIs to support charge-back, re-bill, transaction adjustment, and charge-back reversal functionalities, seamlessly integrating these with payment processing service TSYS in PEGA tool.
• Identified performance bottlenecks through AppDynamics and Elastic Search observability tool and implemented an asynchronous logging utility, reducing API response times by up to 20 seconds by parallelizing PII data masking.
• Optimized the Fraud Authorization and Ethoca Spring Batch Process by consolidating authorizations per account, reducing API calls by over 60% and cutting batch execution time from 26 hours to 5 hours.
• Improved code quality by implementing 100+ integration and unit test cases, performing module checks for SonarQube, Veracode, and Prisma scan issues across 30+ services, and incorporating review comments to support clean code.

• The contact management system is basically a software application to keep track of the contacts, their name, phone numbers, e-mail, address, etc
• Based on the requirements
• This system also has the CRUD functionalities: that is Create, Reset, Update, and Delete
• New contacts can be created, old contacts can be updated, contacts can be deleted from the system and the directory can be reset
• These are the basic functionalities, apart from these, we can add the functionalities like searching for a contact, filtering the contacts according to our needs
• Tech Stack Used: java, intellij, postman, Citrix

• Developed a Facial Recognition tool
• A technology which is used in ios and android, recognises object and it's name
• Technology which matches human face from digital image or video frame against a database of images
• Tech Stack Used: Java, Intellij, R, Python, Machine learning, Analytics