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Senior Cloud/java Developer Resume

SUMMARY:

  • Around 11 years of Highly scalable and available service - oriented applications with Scala, Java, Python and Node.js.
  • Very Strong experience on AWS web service, Java,REST,Spring,Hibernate, Nodejs, JavaScript, Spark, Pig, Hive Python, Docker, Virtualization, Django, shell scripting, KAFKA.
  • Strong experience on OOPS Principals, 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 the implementation of Restful Web services and API design.
  • Strong AWS cloud development using AWS gateway, Lambda, Dynamo DB, IAM, Kinesis, Cognito, STS.
  • Developed Spark and Kafka integration jobs API to consume data streaming and store in Cassandra.

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

Senior cloud/Java Developer

Technologies & Languages - SPRING BOOT, Apache Spark, Apache Kafka, Microservices, Spring Batch,, REST, Java, Cassandra, Oauth.,Spring security.

Responsibilities:

  • Developed the spring batch jobs to automate the task and load the feeds into DB.
  • Developed API’s to read the data from flat files and send to Tibco.
  • Developed REST API to fetch the Offer, price and Inventory feeds from marketplace and publish to Kafka.
  • Develop the API to create offer rank using Spark jobs.
  • Processed the feeds to Kafka streaming API and processed and stored streaming data into Cassandra.
  • Used Spark Dataframe APIs to inject SQLServer data to Kafka and stored in Cassandra.
  • Develop API to perform parallel processing using Spring boot batch .
  • Developed Spark API to create offer and price rank.
  • Integrate Kafka with Spark and get the feeds data through API.
  • Wrote Spark transformations and action jobs to get data from source DB/log files and migrating to
  • Destination Cassandra database.
  • Apply transformation rules on top of Dataframes.
  • Analyzed and report the data using Splunk.
  • Created dashboards in Splunk.

Confidential

Senior cloud/Java Developer

Technologies & Languages - AWS, SPRING BOOT, KAFKA, REST, Micro services, Java, Java script, Map reduce, Spark, Pig, Cassandra, AngularJS, Oauth.

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 help 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

Technologies & Languages -, AWS, Docker, Python, SPRING BOOT, KAFKA, REST Micro services, Java, GO, Spring4.0, Hibernate4.2, NodeJs,Javascript, REST, Django, AngularJs, Python, Ruby Ajax, Thift, Json, Web Services, jQuery, Tomcat, RHEL, JMS, Django, Akka, BACnet, Hadoop, Hive, Spark, Pig, Cassandra, Kafka, micro web services.

Responsibilities:

  • Platform Architect for PaaS (Partner -Infrastructure-as-a-Service).
  • Responsible for building API frameworks Partners. -Part of the API design team and responsible for the 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
  • Designed in NoSQL Databases - MongoDB, Couch DB

Confidential

Senior cloud/Java Developer

Technologies & Languages -AWS, Confidential BlueMix,, NOdeJs,SPRING BOOT, KAFKA, REST, Java, Spring Modules, Docker, REST(Pecan), AWS Ec2, KVM, Esxi, Thrift, MVC, Django, Jenkin, Gerrit (code review), Json, Mock, Hadoop, Hive, Spark, Pig, Cassandra, zookeeper.

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 the message to Queue.
  • Gathered requirement from clients and created UML diagrams.
  • Implemented continuous integration testing and release systems
  • Used Amazon beanstalk to deploy application
  • Developed specifications that include Use Cases Class Diagrams and Activity Diagrams.

Confidential

Senior Java Developer

Technologies & Languages - Openstack, Python, Django, Spring4.0, Hibernate4.2, JSF, REST(Jersey) Rich faces, AngularJs, Python, Ruby Ajax, Web logic, Oracle, Web Services, JavaScript, CSS, Jasper report, jQuery, Tomcat, Chef. RHEL, JMS, Django.

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

Technologies & Languages - Aws, Bluemix,Spring 4.0, Hibernate4.2, JSF, REST(Jersey) Rich faces, Oracle, Eclipse, Ajax, Web logic, Web Services, Javascript, CSS, Jasper report, JQuery, Tomcat, Data Structure.

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

Confidential

Senior cloud/Java Developer

Technologies & Languages - Spring4.0, Hibernate4.2, JSF, REST(Jersey) Rich faces, Oracle, Eclipse, Ajax, Web logic, Web Services, Java script, CSS, Jasper report, jQuery, Tomcat, Data Structure.

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 the message to Queue.
  • Gathered requirement from clients and created UML diagrams.

Confidential

Senior cloud/Java Developer

Technologies & Languages - Spring MVC, Hibernate4.2, REST(Jersey), Oracle, Eclipse, Ajax, Web logic, Web Services, Java script, CSS, Jasper report, jQuery, Tomcat, Data Structure.

Responsibilities:

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

Confidential

Senior cloud/Java Developer

Technologies & Languages - Struts, Oracle, Eclipse, Ajax, Web logic, Web Services, Java script, CSS, Jasper report, jQuery, Tomcat, Data Structure.

Responsibilities:

  • Developed Struts Action classes and API.
  • Written core engine to read the 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.

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