Srihari M S

Payments Authorization

• Developed and maintained multiple microservices for handling payment authorizations and credit apply applications, tailored to individual acquirer requirements.
• Led low-level system design efforts as part of an authorization platform modernization initiative.
• Built credit apply applications from scratch for various card types, enhancing transaction processing capabilities.
• Designed and implemented CI/CD pipelines to enable seamless, automated deployments.
• Configured Splunk alerts to proactively monitor microservices in production and support system reliability.
• Owned the end-to-end software development lifecycle: requirements gathering, documentation, system design, implementation, load testing, and knowledge base article (KBA) creation.
• Integrated WebClient-based reactive communication for efficient interaction with external acquirers and internal services.
• Implemented encryption, decryption, and Static Data Authentication (SDA) functionalities to meet security and compliance standards.
• Developed integrated unit test frameworks to ensure high test coverage and maintain code quality.
• Migrated build pipelines from Jenkins to LOCI, improving build efficiency and scalability.

• Developed static front-end web pages to support user interface requirements.
• Designed and implemented RESTful APIs in Java for the payment interface module.
• Participated in unit testing, system testing, and user acceptance testing (UAT) to ensure software quality.
• Contributed to application workflow design and UI/UX layout planning.