Rajkumar R.
Software Engineer | TCS-Citi | Irving, TX
- Role
- Software Developer at Tata Consultancy Services
- Location
- Dallas, TX, US
- LinkedIn followers
- 500 followers
About Rajkumar R.
Lead Software Engineer with 8+ years in Java, Spring Boot, and microservices…
Experience
Software Developer
Sep 2021 — Present · Irving, TX, US
Successfully migrated Springboot microservices from Pivotal Cloud Foundry to Red Hat OpenShift, seamlessly integrating them into a modern Platform-as-a-Service architecture (PAAS).• Created microservices from scratch to implement business logic and on-boarded to OpenShift/PCF containers.• Implemented synchronous/asynchronous/parallel REST API calls using Web Client and Rest Template.• Configured end-to-end connectivity for multiple external partners by whitelisting certificates and managing diverse authentication methods and role-based authorization.• Onboarded 40+ API endpoints onto IBM\'s API Gateway Developer Portal, established TLS profiles for enhanced security, and set rate limits and quotas to manage service call volumes.• Implemented user session caching using Gemfire, achieving an 80% reduction in MongoDB load. • Resolved critical production bugs in high-traffic core applications, handling over invocations per hour.• Boosted code coverage to 90% using JUnit and Mockito tests, verified through SonarQube.• Facilitated production deployments, ensured smooth service initialization, and monitored API availability using Splunk and AppDynamics• Mentored interns and newcomers, imparting domain expertise, architecture insights, and technical stack knowledge
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