I am a senior Java developer with over a decade of experience building scalable backend services and microservices, primarily in the banking domain. I thrive on solving complex technical problems, delivering reliable software, and mentoring teammates to raise overall team performance. I enjoy collaborating with cross-functional teams to design robust solutions, optimize performance, and drive continuous improvement across the SDLC. I am a proactive leader, skilled at planning, organizing, and deploying resources to achieve project goals while maintaining quality and stakeholder satisfaction. I continuously learn new technologies and best practices to help organizations grow and stay competitive.

Mamatha Kesari

I am a senior Java developer with over a decade of experience building scalable backend services and microservices, primarily in the banking domain. I thrive on solving complex technical problems, delivering reliable software, and mentoring teammates to raise overall team performance. I enjoy collaborating with cross-functional teams to design robust solutions, optimize performance, and drive continuous improvement across the SDLC. I am a proactive leader, skilled at planning, organizing, and deploying resources to achieve project goals while maintaining quality and stakeholder satisfaction. I continuously learn new technologies and best practices to help organizations grow and stay competitive.

Available to hire

I am a senior Java developer with over a decade of experience building scalable backend services and microservices, primarily in the banking domain. I thrive on solving complex technical problems, delivering reliable software, and mentoring teammates to raise overall team performance. I enjoy collaborating with cross-functional teams to design robust solutions, optimize performance, and drive continuous improvement across the SDLC.

I am a proactive leader, skilled at planning, organizing, and deploying resources to achieve project goals while maintaining quality and stakeholder satisfaction. I continuously learn new technologies and best practices to help organizations grow and stay competitive.

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Experience Level

Expert
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Language

English
Fluent
Hindi
Advanced
Telugu
Advanced

Work Experience

Senior Java Developer at OCBC Bank
April 1, 2025 - Present
Developed and customized EAIM plugins to extend OIM's core capabilities, automated expiry checks in TempstaffExpiry, implemented Java-based expiry logic, and integrated expiry processing with OIM scheduled tasks. Collaborated with business analysts and technical teams, performed unit testing, and documented changes for future maintenance.
Senior Java Developer at Percept Solutions
February 1, 2025 - September 8, 2025
Led application development for ICA and NETS Technologies using Spring Boot microservices, Kafka messaging, GitLab DevOps, OpenShift, and Angular 14. Designed BPMN/DMN rules with Red Hat Process Automation Manager and implemented API integrations and API mocking. Oversaw the SDLC and enforced CI/CD quality gates with SonarQube; conducted production/UAT bug fixes and tech stack sharing sessions.
Senior Java Developer at NETS Technologies
February 1, 2024 - September 8, 2025
Developed features for cross-border payments using Java 11 and Gradle 7; improved SQL query performance using CompletableFuture; built CI/CD pipelines (AWS CodeCommit/CodeBuild/CodeDeploy/CodePipeline) and migrated data via ETL jobs; implemented onboarding/offboarding participants via REST APIs.
Senior Java Developer at Helius Technologies
April 1, 2023 - September 8, 2025
Developed application design and core Java logic, integrated Spark and Elasticsearch, worked on Spring Batch refactoring, and implemented REST microservices with Spring Boot. Created build/deploy scripts with Maven, followed Agile practices, and addressed Fortify/SonarQube issues.
Senior Software Engineer at Citibank
May 1, 2018 - September 8, 2025
Developed RESTful web services; configured transaction management in Spring; collaborated with client teams, supported testing and debugging, and conducted performance-oriented code changes.
Senior Software Engineer at Accion Labs Sdn, Malaysia
July 1, 2017 - September 8, 2025
Developed RESTful web services using Jersey; authored JPA criteria queries; configured transaction management in Spring and managed caching. Used Maven for builds and contributed to enterprise-grade Java development.
Senior Java Developer at Parexel International Ltd, India
July 1, 2014 - September 8, 2025
Developed core functionality using Spring-based components; consumed web services; implemented JUnit automation; participated in SDLC activities and training; contributed to portlet development for trial and entitlement data.
Java Developer at Collabora Pvt Ltd
March 1, 2012 - September 8, 2025
Java development with Spring/Jersey, portlet-related work, and involvement in SDLC activities; contributed to web service integrations and server-side components.

Education

Bachelor of Computer Science at Kakatiya University
January 11, 2030 - January 1, 2007

Qualifications

Add your qualifications or awards here.

Industry Experience

Financial Services, Software & Internet, Professional Services, Education, Government, Other