java Developer

KARTHIKEYAN

EXECUTIVE
SUMMARY
















TECHNICAL
SKILLS






• Overall 17 years of experience in Java and J2EE technologies,
specializing in microservices architecture, Spring Boot 4, and
RESTful web services. I have a strong background in AWS Lambda
and Elastic Search Java API with Spring Boot. With 12 years of
experience in Java J2EE frameworks, particularly in the Integrated
Eligibility System (IES), they excel in complex application
development.
• Proficient in front-end technologies, including AngularJS, JavaScript,
TypeScript, and Angular Material Design. Also I have experience in
hybrid mobile app development using Ionic and React Native, as
well as knowledge of ReactJS, NodeJS, ExpressJS, HTML5, and
Twitter Bootstrap.
• In testing, i have experienced with Selenium WebDriver, TestNG,
and automation frameworks, demonstrating expertise in data-
driven and cross-browser testing. Additionally, i have knowledge of
MongoDB and Python, highlighting their versatility in both
development and testing.



• Distributed Technologies: Java 11, C, C++
• Frameworks: Spring boot, Microservices, Struts
• Tool: Swagger, Postman, SourceTree, DBeaver
• Atlassian Tools: Bitbucket, JIRA, Confluence
• Databases: Postgres, MySql, Oracle, MSSQL
• NO SQL Databases: Elastic Search
• AWS Services: AWS Lambda, API Gateway, Cloud watch, S3 Bucket
• Development Tools: Eclipse, STS
• Build Tools: Maven, Gradle
• Application/Web server: Tomcat 9.0/Weblogic 6.0/7.0/8.0
• Front End Technologies: Angular JS
• Mobile Technologies: Ionic Framework
• Languages: HTML, CSS, SCSS, JavaScript, TypeScript
• Version Control: GITHUB, CVS, SVN, VSS
• Automation: Selenium
• Operating Systems: Windows 10


EXPERIENCE








TECHNICAL LEAD – ENCORA (APR 2022 TO SEP 2023)
#1 Project Name: 340BDirect+ Portal
Client: PPS Data
Technologies: Java 11, Spring boot, Microservices, Swagger, Postgres
Description: PPS Data is a company offering 340 B drug programs for
multiple covered entities and pharmacies in the US. The current
architecture is a monolith application processing 3 milliontx/day and has
multiple integrations to ingest data. The current architecture is not capable
of supporting its future market growth plan. 340BDirect+ Portal application
is the project which gives the solution for the future market growth plan by
implementing microservices architecture in the application.
Responsibilities:


















• Coding.
• Code review
• Defect fix
• Requirement collection
• Requirement analysis
• Delivery coordination


SENIOR SYSTEM ANALYST – G10X INDIA (MAR 2021 TO MAR 2022)
#2 Project Name: Scan and Go
Client: WHSmith
Technologies: Java 8, AWS Lambda, Hibernate 4.3.6, Mysql 8.0
Description: With the COVID19 situation, to protect both WHS staff and
customers and to maintain “social distancing”, WHS wanted to allow the use
of the Scan & Go Mobile App in all hospital stores. To achieve this, WHS
wanted to architect a back-end service that can support
the volume required to support all stores with a priority on the current 120
hospital stores. In backend some important services are like enabling
promotions to the products. This project is nothing but a online mobile app
which is having a cart and checkout feature. The products are like books,
pens etc. The backend services are developed in AWS lambda
Responsibilities:
• Coding.
• Code review
• Defect fix
• Requirement collection
• Requirement analysis
• Delivery coordination


TECHNICAL MANAGER – COGNIZANT TECHNOLOGY (DEC 2012 TO AUG
2019)

SENIOR SOFTWARE ENGINEER –XEROX (OCT 2009 TO DEC 2012)

SENIOR SOFTWARE ENGINEER – INFINITE SOLUTIONS (DEC 2008 TO OCT
2009)

SENIOR SOFTWARE ENGINEER – CAMBRIDGE SOLUTIONS (APR 2004 TO
DEC 2008)

SOFTWARE ENGINEER – TCS (OCT 2003 TO MAR 2004)



#3 Project Name: TGS Data Lake
Client: TGS Newyork,U.S
Technologies: Java 8,Spring boot 2.0.6,Spring boot tool suite 3.9.6,J2EE,
Tomcat server 9, Elastic search 5.6.4,Angular JS 1.6,Bootstrap,Node JS
Description: TGS deals with supplying humungous amounts of Geological
and Geophysical data i.e. seismic data in complex format to several
companies in the Oil and Gas industry. The challenges they faced with the
time and effort required in organizing this data, search