Karthikeyan S M
Java Developer
Chennai, Tamil Nadu
Summary
Experienced professional with 7 years in the field, specializing in designing, developing, and deploying applications using Java 1.8, Spring Boot, Microservices, Oracle, IBM DB2 and MongoDB. Recognized for taking ownership and delivering project-specific onboarding guides to new team members. Actively seeking opportunities in Senior Java Developer roles to leverage expertise and drive innovation in software development.
Overview
7
7
years of professional experience
4
4
years of post-secondary education
Work History
IT Analyst
Tata Consultancy Services
01.2023 - Current
- Visual Agenda is an internal application at Nordea Bank that supports meeting scheduling, presentations, automated takeaways, and report generation—streamlining stakeholder communication and documentation processes.
- Worked on the development of the Visual Agenda application by creating efficient APIs using REST APIs using Spring and Java
- Played a key role in migrating the platform from Ninjago servers to ESP servers, ensuring improved performance, system stability, and minimal downtime.
- Collaborated closely with cross-functional teams during Agile sprints to gather requirements, implement features, and ensure timely delivery of enhancements to the application.
Technical Analyst-L2
Oracle India Private Limited
08.2021 - 01.2023
- Oracle Management Cloud (OMC) is a suite of next-generation integrated monitoring, management, and analytics cloud services that leverage the full breadth of the operational data set.
- Designed and developed responsive web pages to display dynamic reports and graphs using REST API endpoints, resulted in optimizing application performance by reducing response time by 20% and significantly decreasing page load time.
- Contributed to the successful migration from Oracle Management Cloud (OMC) to Oracle Observability and Management (O&M), ensuring data integrity and minimal system downtime.
- Implemented efficient RESTful APIs using Spring Boot and Java, resolving two critical production issues and reducing support tickets by 53%.
Project Engineer
Wipro Technologies
05.2018 - 08.2021
- Wi-Fi Mobility Gateway (WMG): This is a high-performance, versatile product that combines trusted and un-trusted Wi-Fi access to the Evolved Packet Core (EPC) network which is headed by Ericsson.
- Hands-on experience as both developer and tester with strong proficiency in Core Java (multithreading, collections, design patterns), REST APIs, Unix shell scripting, and automation using Perl; familiar with version control tools like Git and JIRA.
- Actively involved in Agile development lifecycle, including sprint planning, effort estimation, user story definition, and retrospectives; served as Scrum Master overseeing team coordination and project delivery.
Education
Bachelor of Technology - Information Technology, GPA 7.31
K.S.Rangasamy College of Technology
Namakkal, India 06.2014 - 04.2018
Skills
JAVA 8, Microservices, Spring boot, Spring Core, Spring REST, Oracle DB, MongoDB, REST API, Hibernate, Git, Kafka, UNIX, Jenkins, Maven, Design Patterns, Mockito, J-Unit, Tomcat
undefinedTimeline
IT Analyst
Tata Consultancy Services
01.2023 - Current
Technical Analyst-L2
Oracle India Private Limited
08.2021 - 01.2023
Project Engineer
Wipro Technologies
05.2018 - 08.2021
Bachelor of Technology - Information Technology, GPA 7.31
K.S.Rangasamy College of Technology
06.2014 - 04.2018
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