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USArun B Chandrasekaran
 

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  1. USArun B Chandrasekaran
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    <p>Expert in design &amp; development of Enterprise Applications &amp; Products using Java EE &amp; Spring</p> <ul> <li>EJB (Enterprise Java Beans), JPA (Java Persistence API) &amp; Bean validation</li> <li>JAX-RS (Restful Web Services) &amp; Servlets.</li> <li>CDI (Context &amp; Dependency Injection), Interceptors</li> <li>JMS (Java Message Service)</li> <li>Functional Style Programming using Java 8 Lambda.</li> </ul> <p>Expert creating RDBMS, Cassandra (C*) data model, working with SQL, JDBC, CQL (C*)</p> <p>Novice Angular 4 Developer</p> <p>Created a framework to index RDBMS tables &amp; perform full text search of contents using Apache Lucene</p> <p>Used Polyglot Programming concepts to enable customers to override software product features</p> <p>Developed an application using Ruby programming language to analyze logs, consolidate errors and email them to technical support to proactively analyze and fix problems in application</p> <p>Developed framework to dynamically configure &amp; execute business rules created using OpenRules rule engine</p> <p>Used Aspect Oriented Programming to implementing cross cutting concerns (Logging, Performance Monitoring, Service Diagnostics, Exception reporting etc)</p> <p>Worked on configuring Git version control, setting up multi module maven project, Hudson/Jenkins continuous integration server, installing application servers (Weblogic, Websphere), configuring clusters, datasources, JMS Queues &amp; Topics, Message Bridges</p> <p>Worked on custom security model &amp; OAuth 2.0 for securing RESTful Web Services</p> <p>Experience using various Design Pattern &amp; Data Structures</p> <p>Experience working in Agile teams following Scrum model</p> <p>Exploring Machine learning, Scala, Hadoop, Cassandra NoSQL</p>
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    1. POChecking equals for JAXB object considering some of the fields
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    2. POHow to structure a db table to store ranges like 0;20;40;60;80 or 0;50;100;150;200;250;... so on
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    1. COQuestion 1: 1.000.000 concurrent users per day? Question 2: How frequently does your data changes? Question 3: Do you have lot of transactions? Reason behind asking these questions is, whether caching (like ehcache) can be used? Can data be shard/spread across distributed servers using either Hadoop or NoSQL databases? etc
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      1. POScaling a JavaEE application to 1.000.000 concurrent users
      1. USArun B Chandrasekaran
    2. COdoesn't work <context:property-placeholder system-properties-mode="ENVIRONMENT" order="-1" location="file:${env:user.home}/managed/latest/bin/rm-app.properties" />
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    3. COI want a generic implementation. There are lot of JAXB objects which require equal check based on fields. Is there something similar to Comparator which has a method to return boolean?
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      1. USArun B Chandrasekaran
 

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