Contributor Software Engineering @ Sabre

Primary Skills:
Core Java with focus on multithreading
JSP Struts, Spring, Servlets
SQL

Secondary Skills:
Webservices (SOAP)
JMS (Tibco, IBM MQ, Active MQ)
DB (Oracle)
Server (Preferably Tomcat)
React JS or any other UI/UX Tech

In Details:
Core Java (focus more towards backend standalone kind of application development skill)
o Object Oriented Skills (abstraction, encapsulation, data hiding, inheritance, polymorphism, composition, aggregation)
o Java fundamentals (primitives, operators, control flow, class/object, interface/abstract class, packages, access modifiers, overriding, overloading, runtime polymorphism)
o Java Concurrency (basic thread concepts, synchronization, thread safety, concurrent design, executor service,
o Java Collections (basics, when to use what, optimization)
o Design patterns principles
o Java annotations
o Java 8 Features
o Java Garbage Collection (heap memory layout, collectors, JVM GC options)

Java Frameworks
o Spring
Dependency Injection IOC
XML Annotation based bean definition wiring
Spring Data
AOP

o Hibernate
Persistence API
Data Modeling via POJO
Caching Programming Skills
o Algorithms
o Design Skills
o Refactoring Skills
o Debugging Skills
o Unit testing Skills

Database
o Basic RDBMS skills
o Oracle
o PL/SQL

Data Sharing
o XML, XSD, JAXB
o JMS
o RESTful API Development Process Tools
o TDD junit, mockito, easymock, powermock
o Continuous Integration Sonar
o Automation
o Intelliji, Maven, SVN
o Tomcat, RMI
o Agile
o JVM Tools

Nice to Have Skills
o Java Swing
o Apache Camel
o Spring boot spring quartz
o Web service ( REST / SOAP)
o Web service tools (rest client / SOAP UI)
o Linux (basic commands, vi editor)
o Big data
o Java Script based UI framework
o MongoDB
o AWS