Java DeveloperLocation: St Louis, MODuration: Contract/Fulltime (W2 ONLY) Rate: DOEUS Citizens, GC, EAD (H4, L2), E3 TN visa holders preferred, NO third party corp to corp accepted for this jobStrong Java developer with a very good understanding of microservices.Grasp of software engineering skills in modular design, data structures, algorithmsDeep knowledge and hands-on experience with modern applications like Spring Boot, and Angular.Experience building and operating critical production systemsSolid understanding of modern API design and Restful principlesFluent with git (preferred) or other SCM systemWrite well-designed and testable codeStrong Experience in automation and building tools like Maven, Ant, and Gradle.Bachelor's degree in computer science engineering or a related discipline, or equivalent work experience.Experience in software development design and implementation of large-scale distributed systems and web services building complex software that is testable and designed for extensibility.Good understanding of building, deploying, and maintaining critical applications in a cloud-based environment.Work extensively with open-source software capable of modifying or extending code maintained as part of an open-source project.Employ both Object-oriented development skills and Systems Engineering skills.