**Harish K**
Phone: (216) 457-0173
Email: Harishkumaresan0830@gmail.com

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### **Professional Summary**
- Senior Java Developer with extensive experience in full-stack software development, specializing in Agile (Scrum) and Waterfall methodologies.
- Proficient in front-end technologies: HTML5, CSS3, JavaScript, React.js, AngularJS, Node.js, and TypeScript.
- Expert in Java/J2EE programming with strong skills in XML, JSP, EJB, JDBC, and various Java frameworks.
- Skilled in containerization and orchestration using Docker and Kubernetes.
- Proven track record in designing and implementing robust enterprise applications using Java/J2EE.
- Extensive experience with Spring Framework (Spring Boot, Spring Cloud, Spring Security).
- Proficient in microservices architecture using Spring Boot and Spring Rest.
- Experienced in data modeling and management for enterprise-scale applications.
- Strong background in SQL, PL/SQL, and NoSQL databases (MongoDB, Cassandra, DynamoDB).
- Expertise in CI/CD pipelines (Jenkins, Maven, Gradle) and cloud platforms (AWS, Azure, GCP).
- Adept at software testing (JUnit, Mockito, Selenium) and version control (Git, SVN).

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### **Technical Skills**

**Programming Languages:**
Java, JavaScript, TypeScript, SQL, PL/SQL, Python

**Web Development & Frameworks:**
HTML5, CSS3, React.js, AngularJS, Angular 10/11/12/14, Node.js, jQuery, JSON, AJAX, Spring (Boot, Cloud, Rest, Data, MVC, Security), Hibernate, Struts, JMS, JSF, Express.js

**Databases & Data Management:**
MongoDB, Cassandra, DynamoDB, Oracle, MySQL, SQL Server, PostgreSQL, Redis

**DevOps, CI/CD & Cloud Platforms:**
Docker, Kubernetes, Jenkins, AWS (EC2, S3, Lambda, RDS), Azure, GCP, Terraform

**Application/Web Servers:**
WebSphere, JBoss, Tomcat, WebLogic, Apache HTTP Server

**Testing & QA:**
JUnit, Mockito, Selenium WebDriver, Postman, JMeter

**Version Control & Collaboration:**
Git, SVN, Bitbucket

**API Development & Integration:**
RESTful, SOAP, GraphQL, Apache Kafka, RabbitMQ

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### **Professional Experience**

**Arthur J. Gallagher & Co., Rolling Meadows, IL**
*Sr. Full Stack Java Developer | Feb 2021 – Present*
- Developed frontend for Risk Assessment Platform using HTML, CSS, JavaScript, AngularJS, and ReactJS.
- Implemented microservices architecture with Spring Boot, Kafka, and Docker.
- Designed RESTful APIs with Swagger/OpenAPI and integrated AWS services (EC2, S3, Lambda).
- Optimized performance using Spring Security, OAuth2, and AWS CloudFormation.

**Fiserv, Inc., Berkeley Heights, NJ**
*Full Stack Java Developer | Nov 2018 – Feb 2021*
- Built Fraud Detection System with AngularJS, ReactJS, and Spring Boot.
- Managed CI/CD pipelines using Jenkins and deployed on Azure (VM, Blob Storage, SQL Database).
- Automated testing with Selenium, JUnit, and REST-assured.

**Centene Corporation, Charlotte, NC**
*Java Developer | Aug 2016 – Oct 2018*
- Developed EHR systems using Angular, React, and AWS (Lambda, S3, RDS).
- Migrated legacy applications to microservices with Spring Boot and Kafka.
- Implemented DevOps practices with Docker, Kubernetes, and Jenkins.

**Southwest Airlines, Dallas, TX**
*Java Developer | May 2013 – Nov 2015*
- Built Customer Feedback System with Angular 7, Spring MVC, and AWS.
- Utilized Kafka for real-time data processing and Docker for containerization.
- Managed CI/CD with GitLab and Kubernetes.

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**Environment Highlights:**
- Frontend: HTML5, CSS3, Angular, React, Bootstrap
- Backend: Java, Spring Boot, Node.js, Express.js
- Databases: MongoDB, Cassandra, Oracle
- Cloud/DevOps: AWS, Azure, Docker, Kubernetes, Jenkins
- Testing: JUnit, Selenium, Postman

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