Designed and improved wireless provisioning flows, REST APIs, and backend logic for complex activation journeys; performed system design & impact analysis; validated service provisioning and API integrations; developed scalable Spring Boot microservices and WebFlux-based reactive APIs; implemented error handling and Kafka-based event-driven flows; built data layers across Oracle, PostgreSQL, Cassandra, MongoDB; implemented Spring Security; designed cloud-native services on AWS and Kubernetes; built CI/CD pipelines and deployed to EKS Fargate; integrated monitoring with DataDog, CloudWatch, Instana and Splunk; developed SPA front-ends with Angular/React.

Sr. Full Stack Java Developer at Inter-Continental Trading USA Inc.

September 1, 2020 - March 1, 2022

Built interactive SPAs using AngularJS/Angular 8 and React; developed RESTful APIs and microservices with Java/Spring; designed AWS-based deployments with EC2/S3/IAM; dockerized services and implemented ELB/Auto-Scaling; performed UI and backend test automation; integrated NoSQL stores (MongoDB, Cassandra); maintained CI/CD pipelines with Jenkins, Artifactory, SonarQube, Docker; worked with JMS, SOAP & REST APIs; optimized front-end performance.

Java Developer at BCBS

January 1, 2019 - August 1, 2020

Developed core Java functionality; built a New Interface for Previously Ordered Page and cart Page; designed JSP/Struts UI; implemented JavaScript/jQuery AJAX; used microservices and REST APIs; integrated with CI/CD (Jenkins); wrote SQL/PL-SQL for Oracle; used Spring MVC/JSP; created automation tests with Cucumber and JUnit; developed rich UI with Angular and REST APIs; applied design patterns and DAO/JPA/Hibernate; SVN version control.

Java Developer at Couth Infotech Pvt. Ltd

July 1, 2017 - December 1, 2018

Built dynamic web interfaces using JSP, Struts, Spring MVC, Angular and JavaScript; designed RESTful APIs and microservices; performed service orchestration and integration with enterprise systems; authored complex SQL/PL-SQL for high-volume databases; built BDD automation with Cucumber/JUnit and Selenium; created Hibernate/JPA entities and DAO layers; contributed to CI/CD pipelines with Jenkins.

Software Developer at Cybage Software Private Limited

July 1, 2014 - June 1, 2017

Developed JSP/Servlet modules using MVC, Spring components; implemented AJAX with jQuery/JSON/XML; built batch jobs using Java Batch/Spring Batch; used WebSphere/JMS/SOA for inter-system communication; configured Tomcat & WebSphere deployments; used Hibernate for transaction management and caching; participated in CI/CD automation with Jenkins and pipelines.