Tony Fernandes

Software Developer

M2P

11.2022 - 01.2025

Designed RESTful APIs for EMI conversion, Buy Now Pay Later (BNPL), charge waivers, due postings
Applied SOLID principles, event listeners, and design patterns to enhance code readability and maintainability
Implemented robust error-handling mechanisms to gracefully manage exceptions and provide clear, actionable error responses
Utilized status codes and error messages effectively, improving the troubleshooting process for developers and end-users alike
Migration Module: Designed and developed a migration module for transitioning non-encrypted data to encrypted formats, maintaining backward compatibility with legacy data
Utilized a registry-based factory design pattern for efficient read/write data processing based on enums
Leveraged ActiveMQ for batch processing large datasets through a Producer-Consumer JMS queue
Implemented robust error logging mechanisms for failed migration records, ensuring high data integrity
Implemented Redis cache to optimize frequent configuration retrievals, significantly reducing response times and enhancing system performance
Successfully migrated over 1 lac+ records, ensuring system-wide data security enhancements
Automated email notifications for transactions, account freezes and limit changes using event listeners
Report mailing, generation and storage in S3 buckets with functionality to download reports
Framework changes to decouple billing, EMI conversions, sublimits, cancellations, etc
Optimized BNPL features with performance testing using K6 framework, Grafana and Elastic and optimizing SQL queries and code optimization
Frequently led the Level 3 (L3) production support team, achieving about 75% reduction in production issues by prioritizing and resolving critical bugs in a timely manner
Stabilized releases through efficient ticket distribution and issue resolution, minimizing system downtime
Enhanced overall system stability through effective problem-solving and strategic management
Consistently provided exceptional support during client office visits, addressing their needs effectively and fostering strong client relationships, which significantly boosted their confidence and satisfaction