Prabhu Manavalan

About Prabhu Manavalan

Backend Software Engineer specializing in Java and Spring Boot, with hands-on experience designing microservices and production-ready REST APIs.• Performed as-is and to-be architecture analysis and designed logical and physical architectures for enterprise, cloud-native microservices, and identity/access management systems, focusing on security, scalability, and resiliency across multi-cloud environments (Azure, OCI).• Built and maintained microservices-based systems, collaborating with frontend and DevOps teams to define API contracts and ensure seamless system integration.• Implemented secure, high-performance REST APIs with Spring Boot by implementing unit and integration tests, logging, monitoring, and robust exception handling, supporting cloud deployments and live issue resolution.• Designed and implemented REST APIs with versioning, rate limiting, and idempotency, integrated through an API Gateway to ensure backward compatibility, security, and scalability.• Designed and delivered security-first Java REST microservices, applying OAuth2/JWT, RBAC, ensuring stateless authentication and fine-grained access control.• Designed and integrated Kafka producers and consumers to enable reliable, asynchronous data processing across microservices.• Leveraged AI-powered developer tools to accelerate backend development, improve code quality, and enhance debugging and analysis.• Hands-on exposure to Retrieval-Augmented Generation (RAG) systems, integrating LLMs with vector-based retrieval to enhance response accuracy and contextual relevance.• Hands-on exposure to ReactJS, collaborating on UI components and integrating frontend applications with backend REST APIs.• Implemented unit and integration tests for Spring Boot REST APIs using JUnit 5, Mockito ensuring high code coverage and reliable API behavior.• Extensive years of experience in Middleware technologies - Oracle WebLogic Server, IBM WebSphere, Tomcat, Oracle SOA Suite, Oracle ADF, Oracle REST Data Services, Oracle Business Intelligence, Oracle Identity Management Suite – IDCS, OHS, OID, OUD, OAM, OIM.• Configure Single-Sign-On using SAML, OpenID, Oracle Access Manager & IDCS, OAuth authentication.• Expertise in container platform creating Docker images and deploying enterprise applications to Azure Kubernetes Services.• Proficiency in application tools/languages such as: IntelliJ, JDeveloper, SOAPUI, POSTMAN, REST/JSON, YAML.• Expertise in using various support monitoring tools like Splunk, Google Log Explorer, New Relic APM, Graphana.

Experience

1. Senior Staff Software Engineer

   Gap Inc.

   Oct 2020 — Present · San Francisco, CA, US

Education

• Anna University Chennai

  Bachelor of Engineering (B.E.), Computer Science

  2006 — 2009

Skills

• Shell Scripting
• Websphere Mq
• Ohs
• Puppet
• Oracle Soa Suite
• Python
• Unix
• Itil V3 Foundations Certified
• Sitescope
• Devops
• Osb
• Wily Introscope
• Java Virtual Machine (Jvm)
• Project Management
• Oracle Access Manager
• Sql
• Agile
• Linux
• Weblogic
• Middleware
• Oracle Identity Manager
• Oracle Service Bus
• Oracle Unified Directory