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Rahul Mu

@rahulmu

Senior Java Developer at Verizon building SSO Portal microservices and REST APIs for CSR View and Book of Business integration.

United States

Message

At Verizon, I develop Java and Spring Boot microservices and REST APIs for the enterprise SSO Portal, integrating it with CSR View and Book of Business. My work includes authentication, user validation, account selection, and secure application integration.

Previously, I developed enterprise applications and integrations at Purple Herring, Eli Lilly, Morgan Stanley, Cigna, and Igenix Technologies. Across telecommunications, healthcare, financial services, and technology, I’ve worked on Java applications, APIs, and application modernization.

Experience

Work history, roles, and key accomplishments

Current

Senior Java Developer

Current

Verizon

Oct 2025 - Present (1 year)

Developed Java/Spring Boot microservices and REST APIs for Verizon's enterprise SSO Portal integration platform, integrating with CSR View and Book of Business applications. Implemented secure authentication, user validation, and account selection using Spring Security, OAuth 2.0, and JWT.

Sr. Java Developer

Purple Herring

Apr 2023 - Sep 2025 (2 years 5 months)

Developed scalable Java/Spring Boot applications, microservices, REST APIs, and web applications for enterprise digital transformation initiatives. Contributed to application modernization, cloud integration, API development, UI development, and automated testing.

Sr. Java Engineer

Eli Lilly

Aug 2021 - Mar 2023 (1 year 7 months)

Developed secure Java/Spring Boot microservices, REST/SOAP APIs, and web applications for enterprise healthcare systems. Contributed to application modernization, cloud integration, testing, and performance optimization.

Java Developer

Morgan Stanley

Nov 2019 - Jul 2021 (1 year 8 months)

Developed enterprise financial applications and backend services using Java, Spring, and Hibernate. Designed and consumed REST and SOAP Web Services, developed database components, and contributed to application modernization and production support.

Java Developer

Cigna

Jan 2017 - Oct 2019 (2 years 9 months)

Developed enterprise healthcare applications using Java, Spring, Hibernate, JSP, and Servlets. Designed and developed REST and SOAP Web Services, database components, and web interfaces, contributing to application enhancements and production support.

Java Developer

Igenix Technologies

Apr 2014 - Dec 2016 (2 years 8 months)

Developed Java-based web applications and enterprise systems using Core Java, J2EE, Spring, Struts, JSP, Servlets, and JDBC. Designed and developed REST and SOAP Web Services, database components, and user interfaces, contributing to application development and maintenance.