Senior Full-Stack Java Lead - Java 17, Spring Boot, AWS

THIRUMALAIKUMAR MURUGAN

Full Stack Java Developer

Java 17 Spring Boot Microservices Angular AWS CI/CD

Solon, OH 44139 • 440-***-**** • ******.*****@*****.***

PROFESSIONAL SUMMARY

Results-driven Senior Full Stack Java Engineer and Lead Developer with 20+ years of experience delivering scalable, mission-critical enterprise applications across Banking, Finance, Telecom, and Mortgage sectors. Deep expertise in Java 17, Spring Boot, Microservices architecture, Angular, AWS cloud infrastructure, and CI/CD pipeline automation. Proven track record leading onshore/offshore development teams and modernizing legacy systems for Fortune 500 organizations, consistently delivering high-availability solutions aligned with business objectives.

TECHNICAL SKILLS

Languages

Java 5/6/7/8/17, J2EE, C, Visual Basic

Frameworks

Spring Boot, Spring MVC, Hibernate, Struts, EJB, JSF

Web Services

RESTful (JAX-RS), SOAP/WSDL (JAX-WS), JAXB, JAXP, Jersey, Spring RESTful

Web Technologies

Angular, HTML5, JavaScript, AJAX, JSP, JSTL, XML/XSLT

Cloud (AWS)

EC2, ECS, Lambda, S3, RDS, SNS, SQS, CloudFormation, CloudWatch

Databases

Oracle, SQL Server, MySQL, Sybase, DB2; Stored Procedures, HQL

DevOps & CI/CD

Jenkins, Maven, Gradle, Ant, Docker, Bitbucket, GitLab, GitHub

App Servers

IBM WebSphere, Apache Tomcat, Oracle WebLogic

IDEs & Tools

IntelliJ IDEA, Eclipse/STS, VSCode, RAD, JIRA, Confluence, Postman, SonarQube

Methodologies

Agile/Scrum, TDD, Waterfall

Operating Systems

Linux/Unix, Windows

PROFESSIONAL EXPERIENCE

Lead Java Full Stack Developer Fannie MaeApr 2021 – Present

Worked as Senior Java Developer for cloud migration of Fannie Mae's Interest Rate Database (IRDB) to AWS-based IRAP and Market Feed Service (MFS) platforms—serving as the central market data system of record for Portfolio Transactions, Treasury, Strategy, and Credit business groups. Designed for SOX compliance and enterprise scalability.

•Architected and executed full migration of IRDB to AWS using EC2, ECS, Lambda, S3, and RDS, enabling a highly available, cloud-native infrastructure.

•Containerized microservices using Docker and deployed to Amazon ECS, improving deployment consistency and operational efficiency.

•Developed serverless event-driven components using AWS Lambda for Recon Monitoring, Dealer File Parsing, and Email Integration services.

•Configured Auto Scaling Groups and Elastic Load Balancers to ensure high availability and fault tolerance under peak loads.

•Automated build and deployment pipelines in Jenkins as part of the enterprise CI/CD strategy, reducing manual release effort significantly.

•Collaborated with business analysts and stakeholders to gather requirements, produce design documentation, and deliver software on schedule.

•Performed system upgrades, environment migrations (UAT to Production), and production incident resolution across ACPT and PROD environments.

•Mentored and onboarded new developers, serving as a technical SME and knowledge resource for the IRAP application.

Tech: Java 17, Spring Boot, Microservices, AWS (EC2/ECS/Lambda/S3/RDS), Docker, Oracle, Jenkins, GitLab, Bitbucket, Autosys, Unix

Lead Java Developer VerizonAug 2020 – Apr 2021

•Designed and implemented end-to-end service integrations using Spring Boot microservices and AWS (RDS, S3, EC2, SNS, SQS, Lambda).

•Led system design documentation and defined process flows for integrated service architecture using SOA patterns.

•Wrote comprehensive unit, functional, E2E, and contract tests using JUnit and Mockito; enforced 100% code coverage via SonarQube.

•Managed application deployments to production and pilot instances via S3 and Jenkins CI/CD pipelines.

•Developed and consumed REST APIs backed by Oracle 10g on Spring Boot; handled XML/JSON data parsing and transformation.

•Implemented OAuth2 security and participated in defect tracking and sprint planning using JIRA and Agile/Scrum methodologies.

Tech: Java 8, Spring Boot, Microservices, AWS, Cassandra, Oracle 10g, Gradle, Tomcat 8, OAuth2, SonarQube, JUnit, Mockito, Pivotal Cloud Foundry

Senior Full Stack Engineer JP Morgan Chase (JPMC)Nov 2019 – Jul 2020

Maintained and enhanced WebStats, a high-traffic internal portal serving contact center operations with real-time ACD data, dynamic reporting, and IVR management tools.

•Delivered timely resolution of production incidents using Java, J2EE, Oracle, Sybase, and UNIX shell scripting in a high-SLA environment.

•Developed and maintained REST APIs for integration between WebStats portal and internal/third-party systems.

•Automated batch scheduling and monitoring using AutoSys; wrote shell scripts to streamline operational workflows.

•Coordinated with Release Management and AD teams for production deployments; participated in incident trend analysis and process improvement.

•Served as technical subject matter expert, providing guidance and conducting requirement analysis for enhancement requests.

Tech: Java 8, Spring Boot, Microservices, J2EE, Oracle, Sybase, MSSQL, UNIX, AutoSys, ServiceNow

Senior Java Developer Infosys Limited (Visa Inc.)Feb 2019 – Oct 2019

Contributed to the Visa B2B Connect (VBC) platform, which enables international corporate payment processing via online, file-based (SFTP/SWIFT), and RESTful web service channels.

•Developed and enhanced VBC portal features using Core Java, Spring Framework, REST Web Services (JAX-RS), Hibernate, and JDBC.

•Implemented Hibernate ORM with configuration and mapping files; wrote optimized HQL and SQL queries for business logic execution.

•Participated in full SDLC using Agile/Scrum and TDD; contributed to Sprint planning, demos, retrospectives, and code reviews.

•Performed unit testing with SOAPUI and Postman; tracked defects and ensured resolution within quality assurance standards.

•Provided technical leadership in community discussions around API capabilities, educating peers and supporting integration documentation.

Tech: Java 8, Spring, Hibernate, JAX-RS, Maven, Bitbucket, Tomcat 9, JSP, Oracle SQL, Agile/Scrum, TDD

Senior Java Developer Enterprise Solutions Inc. (PNC Bank)Jun 2018 – Feb 2019

Participated in the modernization of PNC's Mass Market Online Banking portal—converting legacy Servlet/JSP controllers to reusable REST APIs and redesigning the front end with Angular.

•Built RESTful APIs for Two-Factor Authentication, Internal/External Transfers, Bill Pay, and Customer Alerts; supported consumption from the redesigned Angular portal.

•Developed and consumed SOAP-based web services (JAX-WS) for legacy and redesigned portal integrations.

•Implemented fail-safe switch logic for new features; participated in governance meetings to align API changes across impacted teams.

•Conducted unit testing with SOAPUI and Swagger; tracked defects in HP ALM and coordinated Production deployment activities.

•Followed PNC coding and deployment standards; contributed to Sprint planning, code reviews, and release retrospectives.

Tech: Java 8, Spring, JAX-WS, JAX-RS, Maven, WebSphere 8.5, Angular, JSP, Oracle, Bitbucket, Agile/Scrum

Senior Java Developer / Team Lead Cognizant Technology Solutions (KeyBank)Jan 2010 – Aug 2017

Supported 65+ applications across KeyBank's Investment & Asset Management portfolio under a Managed Support and Testing Services (MSTS) engagement, including Gold-Tier system RIS supporting Fixed Income, Equity, and KBNA Capital Markets.

•Served as Onsite Team Lead and single point of contact for 20+ applications; managed task allocation, project planning, and weekly status reporting.

•Led requirement analysis, effort estimation (under 250 hours), recruitment, and on-time delivery of small enhancements and maintenance projects.

•Executed code changes in Java/J2EE, UNIX, and SQL (Oracle, Sybase, DB2) for bug fixes and process improvements; resolved tickets within strict SLA windows (30 min–2 days).

•Automated batch scheduling and monitoring using IBM TWS; scripted operational jobs using UNIX Shell.

•Identified risks, evaluated project impacts, and maintained detailed project plans; guided team members toward optimal technical solutions.

Tech: Java, J2EE, WAS 8.5, Oracle, Sybase, DB2, UNIX Shell, Perl, XML, PVCS, IBM RAD, HP Service Manager

Senior Java Developer Cognizant Technology Solutions (Franklin Templeton Investments)May 2007 – Dec 2009

Delivered multiple web initiatives for Franklin Templeton's global investment portal, including the GWS Website Redesign, Institutional Capabilities enhancement, PM Commentary redesign, and GWS Canada portal.

•Designed and developed Rich Internet Application (RIA) components using JSP, XML/XSL/XSLT, Struts, Spring, EJB, and DAO patterns.

•Developed backend services using AquaLogic Data Services Platform 2.5 and exposed them via web services to client and ALSB.

•Authored PL/SQL queries, configured Spring for DAO/EJB interaction, and maintained SDS documentation for each project phase.

•Acted as SME and single point of contact for issue resolution, coordinating closely with onsite US clients through video conferences.

Tech: Java, JSP, Struts, Spring, EJB, XML/XSL/XSLT, Oracle, Cocoon Framework, AquaLogic DSP, Eclipse

Java Developer Hewitt AssociatesMar 2005 – Apr 2007

Developed front-end and workflow components for Your Benefits Resources (YBR 5.0), a large-scale HR benefits management web application serving Defined Benefits, Defined Contributions, and Health Management plan participants.

•Designed page layouts and application flows; developed and updated JSP/Struts components per client specifications.

•Gained deep domain expertise in DB, DC, and HM benefit plans; participated in video conferences and technical reviews with US-based clients.

•Followed check-in and interaction procedures using Maestro; collaborated with cross-functional onshore/offshore teams.

Tech: Java, JSP, Struts, TWGI Framework, HTML, JavaScript, JDBC, SQL

EDUCATION & CERTIFICATIONS

Master of Science, Software Technology & Management — Manonmaniam Sundaranar University, India

Sun Certified Java Programmer (SCJP)

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