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Professional Summary:
Over 12+ years of experience in full stack development with experience in all phases of Software Development
Life Cycle which includes Analysis, Design, Development, Implementation and Testing of web based, enterprise
business applications using the JAVA/J2EE technologies.
Extensive experience with Core Java concepts like Multithreading, Exception Handling and Java Collections and
JAVA 8 features like Functional Interfaces, Stream API, Time API, Transaction Management, Exception Handling,
Collection API, Lambda Expressions.
Experience in Cassandra is a highly scalable and distributed NoSQL database that is commonly used for handling
large volumes of data with high availability and low latency requirements
Developed and deployed Micro Services based applications using Spring Boot along with Spring Rest and
Node.js with Express.js and Hapi.js.
Experience in Snowflake with Java typically involves using the Snowflake JDBC Driver to connect to Snowflake
from your Java application.
Contributed to the DevOps to automate the build and deployment process using Jenkins, shell scripting, chef,
Python, AWS Lambda, Cloud Formation Template.
Good experience with Django a high-level Python Web framework. Experience object-oriented programming
(OOP) concepts using Python, Django, Airflow, and Linux.
Experienced in designing and implementing scalable, efficient cloud solutions using GCP.
Worked with Apache Kafka with Spring Integration which provides inbound adapters for working with low level and
high-level Apache Kafka API and used JMS messaging using Apache ActiveMQ as Spring Boot application
starters.
Developed and maintained secure, scalable full-stack applications integrating Azure Active Directory for user
authentication and authorization, ensuring robust security and seamless user experience.
Hadoop, Cloudera CDH 4.5, HDFS, PIG Scripting, Hive, Map Reduce, Sqoop, Flume, Oozie, Spark, Autosys,
Unix scripting, Tableau, Talend Big data ETL.
Good knowledge on di erent databases like MySQL, DB2, Oracle 13c/11g, Microsoft Azure, NoSQL DB
(CouchDB, Cassandra, Dynamo DB, Mongo DB) and expertise in writing stored procedures, functions and
triggers using PL/SQL in JDBC, ODBC and in WebLogic server.
Worked with Log Monitoring tools like Splunk and ELK (Elastic Search, LogData and Kibana).
Extensive hands-on experience in setting up CI/CD pipelines using Jenkins, Bamboo and GoCD.
Professional Experience
PAYPAL | Austin, TX Oct 2022 Present
Lead FullStack
Developer
Responsibilities:
Led cross-functional teams of developers, testers, and operations personnel, fostering a collaborative and
productive work environment.
Designed and developed robust, scalable, and secure enterprise applications using Java and Spring framework,
including Spring Boot, Spring MVC, and Spring Data.
Containerized applications using Docker and orchestrated deployments with Kubernetes, ensuring scalable and
resilient cloud-native solutions.
Spearheaded the implementation of CI/CD pipelines using Jenkins/GitLab CI, automating the build, test, and
deployment processes to improve software delivery efficiency.
Implemented event-driven architectuzres using Apache Kafka and RabbitMQ, enabling real-time data processing
and integration across microservices.
Designed and optimized relational database schemas in PostgreSQL, implementing complex queries and stored
procedures for efficient data retrieval.
Utilized Redis for caching to improve application performance and reduce database load, implementing effective
caching strategies for various use cases.
Architected and deployed scalable, secure applications on AWS, utilizing services such as EC2, S3, Lambda,
RDS, and DynamoDB.
Implemented OAuth 2.0 authentication and authorization mechanisms to secure RESTful APIs and microservices.
Developed complex PL/SQL procedures, functions, and packages to support business logic and data
manipulation tasks.
Designed and configured OAuth 2.0 authorization servers and resource servers, ensuring robust security
protocols.
Developed microservices architecture using Spring Boot, improving application modularity and maintainability.
Designed and implemented IoT solutions, integrating various sensors and devices with cloud platforms for real-
time data processing.
Developed backend services and APIs using Python frameworks like Django and Flask, ensuring robust and
scalable applications.
Built RESTful APIs and backend services with Node.js and Express, delivering high-performance web
applications.
Cassandra uses consistent hashing and data partitioning to evenly distribute data across nodes in the cluster,
ensuring that each node is responsible for a portion of the data.
Actively participated in daily scrum meetings and demonstrated strong problem-solving skills by resolving
complex tickets within sprint Framework.
Experience in DBS interacting with database systems involves utilizing tools and frameworks like JDBC
(Java Database Connectivity) or ORM (Object-Relational Mapping) libraries such as Hibernate or JPA (Java
Persistence API).
Implemented Signing to DynamoDB as extra security feature to protect customer data from attackers.
Proficient in Scala, contributing to the development of backend services and components within the
applications.
Involved in Developing AWS Lambda based API s using Dagger module. Deployed the application as a
microservice into Docker container and made easily accessible at runtime using AWS services like EC2.
Utilized GCP services such as Compute Engine, App Engine, Cloud Functions, and Kubernetes Engine.
Hands on experience with Spring Reactive, leveraging its powerful capabilities to build robust and scalable
systems.
Leveraged Apache Spark to develop and deploy distributed data processing applications, handling large-scale
datasets efficiently.
Implemented Azure AD features like Single Sign-On (SSO), Multi-Factor Authentication (MFA), and conditional
access policies, significantly enhancing application security and compliance.
Utilized Cassandra is well-suited for use cases that require high availability, scalability, and low-latency data
access, such as real-time analytics, time-series data, IoT (Internet of Things) applications, and messaging
systems.
Environment: OOPs, Java 8, Java 17/19/21, Joda, OkHttp, Retrofit, MySQL, Spring boot, microservices, Istio, Anthos
Service Mesh, Caffeine, 12-factor, Kotlin, Adobe Illustrator, PySpark, Solr, OAuth, Performance Tuning, OCP, Cloud App
Development, Concurrency, RDBMS, Technical Leadership, Security, Redis, Spring Security, U n i x S h e l l S c r i p t i n g ,
Hibernate, JPA, Reactive Programming, Cassandra, CDC / ACLs, Go, SQL, PL/SQL, NoSQL, Cassandra, Confluence,
SSL, IoT, OpenStack, AWS, SpringFX, Dagger, Ansible, Chef, Spring IOC, Apache Cucumber, Drools, Spark, TDD, BDD,
DevOps, Fargate, Amazon MSK, Amazon EKS, Spring Reactive, ReactJS, JSON, Cloud Auth, JUnit, Mockito, Angular
12.0/14.0/15.0, NodeJS, Maven, JavaScript, Gradle, Weblogic, Unit Test, Tomcat, GCP, Scala,Struts, AppDynamics, JAX-
RS, RESTful, SOAP, Apache Kafka, C#, CI/CD pipeline, Jenkins, GitLab, JIRA, Micro Services, Log4j, Mongo DB ,
RabbitMQ, EC2, S3, IAM, Docker, Git, Azure AD, Kubernetes and Spring Tool Suite, Lettuce, Jedis, Redis, AMQP.
Altice | New York Feb 2020 Oct 2022
Sr. Java Developer
Responsibilities:
Developed enterprise-grade web applications using Java, Servlets, EJB, JSP, and JDBC in a microservices
architecture.
Employed C# for backend services, ensuring high performance and reliability in production environments.
Scripted liquid templates for API services created in Azure APIM using Visual Studio Code with Azure APIM
extension installed.
Designed CI/CD pipelines with AWS CodePipeline and CodeBuild, accelerating deployment processes and
enhancing release efficiency.
Implemented inter-service communication with RESTful APIs and message brokers such as RabbitMQ and Kafka.
Integrated web applications with databases such as Oracle (9i/10g/11i) and NoSQL databases for efficient data
storage and retrieval.
Optimized PL/SQL code for performance, reducing execution time and improving overall database efficiency.
Implemented data processing and ETL pipelines using Python libraries such as Pandas and NumPy.
Implemented infrastructure as code (IaC) with Terraform and AWS CloudFormation, ensuring consistent and
reproducible environments.
Migrated existing Java-based applications to Kotlin, significantly reducing code verbosity and improving
maintainability.
Integrated SSO with cloud-based services such as AWS and Azure, ensuring secure and efficient access control.
Develop RESTful APIs to handle communication between the frontend and backend components of your e-
commerce platform.
Proficient in developing microservices and APIs, integrating various GCP services, and deploying applications in a
cloud environment.
Designed and developed RESTful web services using Spring Boot and secured them with Spring Security,
ensuring data consistency with JPA and Hibernate.
Elastic Path o ers cloud-native deployment options, enabling businesses to leverage the scalability, reliability and
agility of cloud infrastructure providers such as AWS, Azure, and Google Cloud Platform.
Worked on reactive programming paradigms with Java and Spring, handling data streams and the propagation of
change.
Successfully integrated Scala modules into existing application, fostering seamless communication and
collaboration between Scala and Java components. Implemented interoperability strategies to ensure smooth
data exchange and functionality across the entire stack.
Utilized Apache Spark Streaming to process real-time data streams, enabling timely insights and decision-making
capabilities for business stakeholders.
Environment: OOPs,Java 17/19, Joda, OkHttp, Retrofit, Caffeine, 12-Factor, Kotlin, AWS, RDBMS, SQL, NoSQL,
Cassandra, MongoDB, PL/SQL, PySpark, Performance Tuning, Concurrency, OCP, Cloud App Development, MySQL,
Data Modeling, OAuth Security, DevOps, Spring Security, IoT, Confluence, U n i x S h e l l S c r i p t i n g , SSL, DevOps, GCP,
Anthos Service Mesh, Node.js, Servlets, Python, OpenStack, Chef, EJB, JSP, Fargate, Go, Dagger, Cucumber, Istio,
JDBC, Single Sign On(SSO), SpringFX, Microservices, DevOps, HTML5, CSS3, U n i x S h e l l S c r i p t i n g , W e b l o g i c ,
JavaScript, Solr, AJAX, Bootstrap, jQuery, TDD, BDD, JavaScript, Angular 12.0/13.0, ReactJS, Azure AD, Flux, Tapestry,
Redux, Ansible, Drools, Amazon MSK, Amazon EKS, AppDynamics, NodeJS, ExpressJS, HapiJS, C#, Oracle, CI/CD
pipeline, RESTful, Spring Boot, Spring Security, RabbitMQ, JPA, Hibernate, JPA, Apache Tomcat, JMS, Apache Kafka,
Apache Spark, Unit test, JAX-WS, Apache CXF, Maven, Jenkins, GitLab, Scala, Junit, Mockito, Jasmine, and Karma, GIT,
JAX-RS, JSON Gulp, Grunt, Webpack.
PWC | AUSTIN, TX Dec 2018 Feb 2020
Java Developer
Responsibilities:
Involved in the complete Software Development Life Cycle using Agile methodology including design,
development, implementation, verification, and validation.
Created and maintained unit tests in C# using NUnit and xUnit, improving code quality and reducing bugs.
Architected and implemented the application modules using Spring boot, Spring framework and integrated the
application using Microservices architecture.
Configured scopes and permissions within OAuth 2.0 to control access levels and protect sensitive data.
Utilized Azure Pipelines to automate build, deployment, and testing processes, enhancing efficiency and reducing
deployment cycle times.
Designed and Implemented SPA (single page application) using Angular 7 Module, Component, Template,
Metadata, Data Binding, Directives and Dependency Injection.
Involved in producing and consuming the RESTful Web Services using Spring. Produced SOAP Web Services for
communicating with external components.
Involved in Developing a Restful API service using Python Flask framework.
Created Hibernate configuration, mapping files and defined persistence classes to persist the data into Oracle
Database and used Hibernate Query Language (HQL) to query the database.
Used MongoDB to retrieve most recent transactions of the users. Deployed the application as a microservice into
Docker container and made easily accessible at runtime using AWS services like EC2.
Experienced in designing and implementing scalable, efficient cloud solutions using GCP.
Implemented Java Message Service (JMS) to exchange information over reliable channel in an asynchronous
way by using Kafka as a message queue.
Configured Docker container service and Implemented Continuous Integration and Continuous Deployment (CI/
CD) using Jenkins. Designed and implemented Azure-based solutions for client, leveraging AKS for container
orchestration, resulting in improved scalability and reliability.
Used JIRA tool for Issue/bug tracking, monitoring of work assignment in the system.
Environment: Java 8/11/17, Joda-Time, OkHttp, Retrofit, and Caffeine, Dagger, Spring IOC, JavaScript, SQL, PL/SQL,
Data Modeling, OAuth Security, Spring Security, OpenStack, MySQL, Microservices, Ansible, Chef, Spring Boot, Apache
spark, Spring Security, Spring AOP, Amazon MSK, Amazon EKS, Istio, Spring Batch, Hibernate 4, JPA, HTML5, CSS3,
Ajax, Bootstrap 3, C#, Angular 7, NodeJS, DevOps, JSON, OAuth 2.0, GCP, Anthos Service Mesh, RabbitMQ, Cisco CTI
Events, TDD, BDD, U n i x S h e l l S c r i p t i n g , X M L , W e b l o g i c , S T L , L i n u x
JUnit, Mockito, Maven, Tomcat, Kafka, CI/CD pipeline, Solr, Single Sign On(SSO), JAX-RS, RESTful, SOAP, JIRA,
NPGSQL, MSSQL, Reactive, Tapestry, AppDynamics, Micro Services, Log4j, Unit test, Mongo DB, EC2, S3, IAM, Docker,
Git, Jenkins, GitLab, Kubernetes, D3.js and Spring Tool Suite, AMQP, Azure, AKS, TCP.
Aetna | Chicago, IL Jan 2016 Dec 2018
Java Developer
Responsibilities:
Developed the SOA (Service Oriented Architecture) application using Spring REST and Jersey to build rest-based
Web services Developed the web interface for end users using AngularJS along with jQuery and included two-
way binding and DOM manipulation and built the Web pages those are more user-interactive using jQuery plugins
for Drag and Drop, Validator AutoComplete, AJAX, JSON, Angular JS.
Configured and managed AWS IAM policies to ensure robust security and compliance across all cloud resources.
Developed RESTful services that are reusable based on Spring RESTful Services using Jersey framework.
Used Spring MVC to develop REST web services within the application. Developed RESTful Web services to
create new subscription/account and updating them for mobile value chain in JSON format and consumed Rest
Web services from the browser using AngularJS.
Utilized Docker to containerize microservices, ensuring consistent environments and simplifying deployment
processes.
Employed AWS IoT Core for device management and secure communication, enhancing scalability and security.
Developed components using core Java concepts like Java Collections, Serialization and Java Threads Used
Spring MVC Interceptors, Spring core modules and native Spring AOP facets of Logging and transactional
management.
Utilized monitoring and logging tools such as Prometheus, Grafana, and ELK stack to maintain high availability and
performance of applications.
Implemented Pivotal Cloud Foundry (PCF) as a platform as a service for RESTful services.
Provided installation, configuration & maintenance of pre-prod and production Cloud environments including
services such as Tomcat, Apache, Jetty, MySQL, and JIRA.
Done load testing of SOAP Web Services using SOAP UI and Apache JMeter tools.
Developed a GUI to help to read the logs generated by the scripts, which was created using D3.JS, jQuery table
sorter. Used Spring Validation framework to implement the server-side validations and used jQuery calls to get the
data from the server asynchronously by using JSON objects.
Used Jenkins automation for building pipelines and GitHub repositories using web hooks plugin.
Environment: Java/J2EE, Joda-Time, OkHttp, SQL, NoSQL, MySQL, MongoDB, Dagger, Retrofit, and Caffeine, spring
Boot, C++, UNIX, AWS, RDBMS, Data Modeling,OpenStack, OAuth Security, Spring Security, Microservices, Python,
PySpark, IoT, JBoss 3.0, Apache spark, Amazon EKS, Spring core, DevOps, STL, JMeter, U n i x S h e l l S c r i p t i n g ,
W e b l o g i c , Cassandra, Hibernate, Jetty, Core java, Perl, Spring MVC, Hibernate, JPA, SOAP/RESTful Web services,
Microsoft Azure, Tapestry, AppDynamics, FileNet, Ajax, Kafka, XML, AWS, jQuery, Jersey, AngularJS 1.x, HTML, CSS,
SaaS, Google Charts API, Git, Maven, CI/CD pipeline, Jenkins, GitLab, RabbitMQ, Drools (BRE), AWS, Pivotal Cloud
Foundry (PCF), Linux
IS Solutions-Hyderabad, INDIA Aug 2011 Dec 2014
Java Developer
Responsibilities:
Worked in Agile methodology environment including Test Driven Development with Continuous
Integration/Delivery. Involved in building web service.
Integrated C# applications with SQL Server and other databases, optimizing data access and manipulation.
Configured Spring MVC from scratch using XML configurations, namespace handling, spring security setup and
giving access to resources.
Design and Developed Frontend UI by using Angular JS Components. Experience in batch operations and
transaction management in spring. Used Struts Framework to implement J2EE design patterns (MVC).
Developed, Tested and Debugged the Java, JSP and EJB components using Eclipse.
Used both Hibernate and Spring JDBC for Persistence integrated with spring, using Spring ORM support, to
convert database errors into more meaningful errors from spring. Test the services developed using SOAPUI.
Developed JSP pages for web Layouts using HTML, CSS, Struts Tags and UI components.
Deployed the application components using Apache Tomcat and Web logic Servers and tested the developed
components using JUnit.
Environment: Java, C + + , J o d a - Ti m e , O k H t t p , R e t r o f i t , JSP, J2EE, HTML, CSS, J a v a S c r i p t , D a t a
M o d e l i n g , N o S Q L , M o n g o D B , Struts, Kafka, Microservices, Apache Tomcat, U n i x S h e l l S c r i p t i n g , Web logic,
Junit, Web Services, Spring, Hibernate, JPA, RDBMS, Oracle 11g, MySQL, C#, SOAP-UI, Microsoft Azure, Spring JDBC,
JSTL, XML, Servlets, CI/CD, Jenkins, GitLab.
Education Details:
Master s in Computer and Information Technology Management from Campbellsville University, KY
(Jan 2015 Dec 2015).
BTech in computer science from Sri Indu college of engg & Tech (Aug 2007 Jun 2011).
Technical Skills:
Programming Languages: Java, C, C++, Python, PL/SQL
Web Technologies: HTML5, CSS3, JavaScript, AJAX, JSON, Bootstrap, jQuery, Angular PHONE NUMBER AVAILABLE0,
React JS with Flux, Redux, Ember JS, Back Bone JS, Handlebar JS, NodeJS, Express JS, Hapi JS, AEM
J2EE Technologies & frameworks: Servlets, EJB, JSP, JDBC, SOAP, WSDL, REST, XML, JAXP, JAXB, JPA,
JMS, Spring3.x/4.x/5.x, Hibernate, Struts, Spring MVC, Spring Boot, Spring Data, Spring Batch, Spring cloud,
Dump Analysis, Reactive.
Databases: Oracle 8i/9i/10g/11i, DB2, SQL Server 2000/2005/2008, MYSQL, MongoDB, Raven DB,
Cassandra, HDFS, Apache Spark
Application/Web Servers: Oracle Web logic, IBM Web Sphere, JBoss, Glassfish, Apache Tomcat
Messaging Services: JMS, Active MQ, Rabbit MQ, IBM MQ, Apache kafka, AMQP
Web service frameworks: JAX-RS, JAX-WS, Apache CXF, Axis, Jersey, GCP
Software Methodologies: Agile, Scrum, TDD, Waterfall
Build & Configuration Tools: Ant, Maven, Gradle, Jenkins, Bamboo Gulp, Grunt, Webpack, NPM, Bower
Testing Tools: Junit, TestNG, Mockito, Jasmine, Karma, Mocha, Chai, Spock, Protractor
Version Control Tools: GIT, SVN, CVS, Bitbucket, TFS
Project Management Tools: JIRA, Rally, Microsoft Azure Project
Cloud Technologies & DevOps Tools: AWS, PCF, EC2, EBS, S3, Docker, ECS, EBS, EKS, SQS, RDS, S3,
Glacier, Lambda, Kubernetes, Azure, AKS, PCF
Operating System: Windows, Linux, Unix, MAC, MS-DOS
IDE s: Eclipse, Visual Studio, IntelliJ, Spring Tool Suite, Sublime Text, WinSCP, Putty
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