SUMMARY

• Around 10+ years of Highly scalable and available service - oriented applications with Scala, Java, Python and Node.js stacks.
• Very Strong experience on AWS web service development, IBM blue mix, Java, NodeJs, JavaScript, Spark, Pig,Hive Python, Docker, Virtualization, Django, shell scripting, bash
• 9+ years development experience on Java, J2EE, Spring4.0, Hibernate4.2, REST, JSF, NodeJs, AngularJS, jQuery, Maven, Oracle11g.
• Strong experience on OOPS TEMPPrincipals, Design Patterns, MVC, Component based designing and Experience in REST and SOAP based Web Services API Application Development.
• Spring, hibernate (ORM), JPA, Maven, ANT, based UI automation.
• Created a highly-scalable, distributed system for running Web applications and Web services by working with architects and developers and ensuring teh implementation of Restful Web services and API design.
• Strong AWS cloud development using AWS gateway, Lambda, Dynamo DB, IAM, Kinesis, Cognito, STS.

TECHNICAL SKILLS

Programming Languages: Core Java, Python, Ruby, GO, Nodejs, Scala, Data Structure

Web Technologies: Spring3.0, Hibernate3.2, REST, JSF2.0, Prime faces, Rich Faces, Struts2.0, Ajax, JSP, Servlets, Ibatis, JDBC, XML, HTML, JavaScript, JQuery, DOJO, CSS, Junit, Unix, Google GWT, Gson, Google map, Android and OAuth2.0, IOS MVC, JSON, CQRS, N-Layer, Play framework

Web Services: REST, SOAP, Thrift, Pickle, JAX-WS, Kafka, BACnet, zookeeper

Web Servers: Tomcat, BEA Web Logic, Web Sphere, JBOSS

Big Data Technologies: Spark, Hive, Pig, HBase, Bigtable,Flume

Database Technologies: MongoDB, Cassandra, DynamoDB, Oracle 11g, DB2, My Sql5.0

Tools: Eclipse 3.0, Pycharm, Sublime, Netbean5.0, RSA, Jasper Report

UML tools: Rational Rose, EA LITE

Cloud technologies: Open stack,BlueMix AWS web services, Cloud Foundry, Docker, Open Shift, KVM, Esxi, RHEL, Open Contrail

Build tool: Gradle, Maven Ant and Shell script

Code Repository tool: GIT, Gerrit, Stash, SVN, CVS

Development: Agile methodology, Continuous integration, Jenkin

Networking: Network Virtualization, virtual switch, data center binding

Containers: Docker, LXC, Warden, Garden

PROFESSIONAL EXPERIENCE

Confidential

Responsibilities:

• Develop Web Service and Micro Services using Java and Spring framework.
• Create process flows, high level functional and detailed technical design specifications from business requirements.
• Implementing Micro services and message-based loosely coupled architectures
• Extracted reusable modules from a monolithic application into libraries for use in new microservices
• Implemented OAuth based authorization and authentication.
• Developed API’s to integrate third parties’ endpoint like Redox, Validic, Pokitdok.
• Developer API for LAMDA function and Dynamo DB.
• Processed and analyze live data using Spark.
• Designed streaming data processing applications halp with live dashboards and Spark.
• Involved in deploying systems on Amazon Web Services Infrastructure services in data center.
• Developed role based security system using AWS IAM policy.
• OAuth based token management and authentication.
• Configured AWS, High Availability Practices and deploying backup/restore infrastructure
• Designed API to Analyzed data using Spark from external patch device.
• Used spring batch to patient and practitioner details from csv file and store into DB.

Confidential

Java/Node JS Developer

Responsibilities:

• Platform Architect for PaaS (Partner -Infrastructure-as-a-Service).
• Responsible for building API frameworks Partners. -Part of teh API design team and responsible for teh design common gateway interface using python and thrift API.
• Designed REST API to interact with Openstack and different cloud provider.
• Installed Openstack on development environments as well as production environments.
• Created Debian package to deploy python code on different production machine.
• Used Spring batch and cron Job to capture billing usage into csv file .
• Developed AWS S3 API to copy project artifact into S3 bucket.
• Developed AWS cloud formation template to create a complete deployment stack.
• Integrated Open stack API with Amazon EC2 cloud based architecture in AWS.
• Written Nova, Glance Neutron python client API to integrate with existing application
• Developed Horizon UI interface for VM provisioning Using jQuery and J2EE.
• Involved in deploying systems on Amazon Web Services Infrastructure services in data center.
• Configured AWS, High Availability Practices and deploying backup/restore infrastructure

Confidential

Responsibilities:

• Core financial model design and implementation (NodeJs, AWS
• Billing/subscriptions functionality via integration with Stripe (Java/Spring)
• RESTful HTTP API for client and financial data (NodeJs), as well as various APIs for other services and integrations (Scala/Spray)
• Developed specifications that include Use Cases Class Diagrams and Activity Diagrams.
• Designed and implemented a SOA microservice with a JSON HTTP REST API for recent activity feeds using AWS SQS to handle over 1-million writes per day
• Simplify and enhance existing technology and architecture to govern and standardize services and API offerings.
• Established developer workflow and code review process with Gerrit.
• Developed JMS classes and configuration to pass teh message to Queue.
• Gatheird requirement from clients and created UML diagrams.
• Implemented continuous integration testing and release systems
• Used Amazon beanstalk to deploy application

Confidential

Responsibilities:

• RESTful HTTP API using NodeJs to interact with AWS API Gateway.
• Developer Node JS API for LAMDA function and DynamoDB.
• Processed and analyze live data using Spark.
• Realtime eventing infrastructure that powers all notifications and chat messages
• Involved in deploying systems on Amazon Web Services Infrastructure services in data center.
• Configured AWS, High Availability Practices and deploying backup/restore infrastructure
• Designed API to Analyzed data using Spark from external patch device.
• Creating reproducible infrastructure environments for teh microservices architecture (Ansible, AWS CloudFormation)

Confidential

Senior Java Developer

Responsibilities:

• Enhanced Private Cloud blueprint by mapping OpenStack components to functional blocks
• Evaluated 5 top open source cloud management software viz. OpenStack, Cloud Stack, Eucalyptus, Open Nebula and OpenQRM and authored a Point of View comparing these products
• Implemented multi-tier application provisioning in OpenStack cloud, integrating it with Chef/Puppet
• Implemented horizontal auto-scaling in OpenStack cloud, integrating it with Zenoss, OTRS and Chef
• Installed and configured Essex, Folsom and Grizzly (multi-node architecture) versions of OpenStack
• Integrated OpenStack (Grizzly) with Open Switch to create Software-Defined-Networking tenant and service provider networks and routers
• Implemented automated local user provisioning in instances created in OpenStack cloud through Chef recipes
• Integrated KVM hypervisor with OpenStack
• Conducted several SME sessions and delivered demonstrations to clients on OpenStack and Open source cloud technology
• Created an open source configuration management and automation PoV by evaluating Chef and Puppet in a cloud environment
• Implemented OpenStack vendor distributions from Red Hat and Ubuntu
• Created designs for integrating OpenStack with Dell hardware/software and Netapp Flex pod
• Familiar with OpenStack concepts of user facing availability zones and administrator facing host aggregates
• Installed Hadoop components HDFS, MapReduce, Hive, HCat, Zookeeper, HBase, Pig, Sqoop, Oozie utilizing Ambari installation tool in CentOS
• Implemented Software-Defined-Storage by integrating Ceph and Gluster to OpenStack cloud
• Implemented horizontal auto-scaling use cases using OpenStack components - Heat, Ceilometer and LbaaS

Confidential

Senior cloud/Java Developer

Responsibilities:

• Developed REST API to interact with Open stack.
• Integrated Open stack API with Amazon EC2 cloud based architecture in AWS, including creating machine Images
• Developed UI interface for VM provisioning Using jQuery and J2EE.
• Involved in deploying systems on Amazon Web Services Infrastructure services in data center.
• Configured AWS, High Availability Practices and deploying backup/restore infrastructure
• Designed in NoSQL Databases - MongoDB, Couch DB

Confidential

Responsibilities:

• Developed JSF controller classes.
• Written REST API to integrate JSF and Spring framework.
• Developer complex UI page using JSF and prime faces.
• Developed JMS classes and configuration to pass teh message to Queue.
• Gatheird requirement from clients and created UML diagrams.

Confidential

Responsibilities:

• Developed Spring MVC controller classes and API.
• Written Spring Batch classes and configuration to schedule teh job.
• Developer complex UI page using Spring MVC.
• Developed JMS classes and configuration to pass teh message to Queue.
• Developed PL/SQL queries.
• Gatheird requirement from clients and created UML diagrams.

Confidential

Responsibilities:

• Developed Struts Action classes and API.
• Written core engine to read teh data from xls file and stored into database.
• Developer complex UI page using Struts.
• Developed mail API and JMS configuration to interact with Queue.
• Deployed war file into APP server in Linux environment.