Principal Java Software Developer 20+yrs Cleared TS/SCI Polygraph Reqd

Job Description This position requires an active TS/SCI clearance with Polygraph. Please do not apply if you do not already have such a clearance.Principal Software Engineer20+ Years of ExperienceBachelors Degree required, or +4 years to substituteJob Description:This position is part of a software engineering team responsible for developing new features and maintaining existing functionality for a full-stack application that supports an analysis-focused mission. The application is distributed across multiple nodes and leverages a microservice architecture to ensure scalability and resilience. The team works across the entire technology stack—from backend services built with Java and Spring Boot, to modern web interfaces developed in Angular. Day-to-day responsibilities include implementing RESTful APIs, integrating services, troubleshooting distributed system issues, and collaborating closely with mission analysts and other developers to deliver timely, reliable software capabilities. The work is dynamic and mission-critical, requiring regular coordination, continuous improvement, and adaptation to evolving requirements.Required Skills:JavaSpring / Spring BootREST API developmentWeb Development in Angular 14+, JavaScript, TypeScriptA thorough understanding of microservice architecture is a mustDesired Skills:ArtifactoryAWS InstancesAWS Route 53Bash scriptingConfluencedocker-composeDockerElastic searchKibannaGitlab CIJiraLambda (java)MavenMongoDBRSocketReactor ProjectSpring dataSSH Company DescriptionNissint Technologies is a Woman-Owned Small Business (WOSB) founded in 2006, specializing in providing tailored technology solutions. Our leadership team, with backgrounds in the Intelligence Community, has assembled a group of elite developers with expertise in various areas, including Digital Signal Processing, Enterprise Applications, User Experience and Interfaces, Big Data and Cloud Analytics, and Cyber Capabilities.Nissint's philosophy is to attract top talent by offering excellent compensation, rewarding work, and growth opportunities. We operate on four core principles: holistic expertise, collaborative learning, energetic advancement, and perpetual optimizationCompany DescriptionNissint Technologies is a Woman-Owned Small Business (WOSB) founded in 2006, specializing in providing tailored technology solutions. Our leadership team, with backgrounds in the Intelligence Community, has assembled a group of elite developers with expertise in various areas, including Digital Signal Processing, Enterprise Applications, User Experience and Interfaces, Big Data and Cloud Analytics, and Cyber Capabilities.\r\n\r\nNissint's philosophy is to attract top talent by offering excellent compensation, rewarding work, and growth opportunities. We operate on four core principles: holistic expertise, collaborative learning, energetic advancement, and perpetual optimization