SAIC is seeking a Data Scientist to join our team to provide support specializing in natural language(NLP) processing and associated data preparation. The ideal candidate will have an extensive background in Java and Python. This position in in Mclean, VA and requires a TS/SCI with polygraph. Key Responsibilities: • Assess, maintain and rewrite legacy Java applications. • Refactor and extend existing back end systems. • Write clean, scalable and efficient code to support business applications. • Leverage dominant frameworks to build backend applications and REST API's. • Write and optimize queries across relational and non-relations databases. • Utilize test libraries, such as JUnit and Mockito to ensure application stability. • Bachelors and nine (9) years or more experience; Masters and seven (7) years or more experience ; PhD or JD and four (4) years or more experience. • Demonstrated experience with Core Java: Object-oriented programming (OOP) concepts, multithreading, and memory management (JVM). • Demonstrated experience with Spring and Spring Data JPA. • Demonstrated experience with tools and build systems such as: Eclipse, Maven, Gradle, Git, and Jenkins. • Demonstrated experience with Oracle, Apache Tomcat, AWS Cloud Framework and Linux. • TS/SCI with polygraph. Desired Skills: • Demonstrated experience with Spring Boot and REST API Java implementations to support web applications.