Requirements 

a. Basic Java OOPs concept. [like Abstraction, Encapsulation,Inheritance, Polymorphism etc]

b. Abstract Class and Interface

c. Method Overloading Vs Overriding.

c. Java I/O Streams

d. Strings with Buffer and Builder.

e. Generics [+]

Knowledge in Design Patterns and Code review proficiency should be present.

J2EE/Web Technology:

JDBC, Servlet & JSP, REST WS, Java Script, JQuery, Angluar JS, BootStrap, CSS/HTML, Mail API,

Spring MVC framework knowledge, Tomcat, Wildfly or JBOSS7.1.1

   Apache or Nginx

  Platform : Linux / Shell Script

Database: MySQL

DEV Tools : ANT(+), Eclipse(+), Maven

Additional : Elasticsearch, CI Tools like JENKINS, Bamboo with Git

Knowledge on Travel Domain, Google, Twitter and Facebook API is a great Asse