Senior Software Engineer (TC2254)

Research Innovations, Inc. (RII) is a company focused on developing transformative technology for government and military missions. They are seeking a Senior Software Engineer to build mission-critical software for Defense and Homeland Security customers, involving real-time data processing and collaboration with cross-functional teams.

Responsibilities:

• Design, develop, and maintain Java-based microservices using modern frameworks (e.g., Spring)
• Build and manage containerized applications using Docker or equivalent technologies
• Design, develop, and maintain a large-scale enterprise React application
• Write high-quality unit and integration tests using JUnit and Jest
• Support system integration, testing, and validation prior to operational release
• Assist with cyber hardening to ensure software meets required security and compliance standards
• Develop and maintain internal tools that support product development and delivery
• Collaborate closely with cross-functional teammates to solve complex technical problems
• Continuously improve code quality, performance, and maintainability
• Take ownership and deliver results in fast-moving, mission-driven environments

Requirements:

• Must have a U.S. Secret Security Clearance at minimum
• 6+ years of professional software development experience
• Bachelor's degree in Computer Science or a related field (or equivalent professional experience)
• Hands-on experience developing applications using the Spring Java framework
• Experience building front-end applications using ReactJS or Angular
• Designed and implemented solutions using RESTful APIs and WebSockets
• Worked with modern development and build tools including: Git, Jenkins, Gradle, Node.js, Docker
• Built large, complex UI forms with strong validation logic
• Developed software in Linux-based environments
• Contributed meaningfully to team-based software projects from design through delivery
• Design, develop, and maintain Java-based microservices using modern frameworks (e.g., Spring)
• Build and manage containerized applications using Docker or equivalent technologies
• Design, develop, and maintain a large-scale enterprise React application
• Write high-quality unit and integration tests using JUnit and Jest
• Support system integration, testing, and validation prior to operational release
• Assist with cyber hardening to ensure software meets required security and compliance standards
• Develop and maintain internal tools that support product development and delivery
• Collaborate closely with cross-functional teammates to solve complex technical problems
• Continuously improve code quality, performance, and maintainability
• Take ownership and deliver results in fast-moving, mission-driven environments
• Experience using Git-based workflows (GitHub, GitLab, Bitbucket, Stash) on large-scale projects
• CI/CD experience with Jenkins, GitLab CI/CD, Maven, Gradle, NPM, Yarn
• Experience using TypeScript in large or enterprise codebases
• Contributions to open-source projects or externally published software
• Experience working in Agile/Scrum development environments
• Proven success in fast-paced, delivery-focused teams
• Strong verbal and written communication skills
• Familiarity with UML or architectural modeling methodologies
• Experience with Tactical Assault Kit (TAK) or related C2 systems
• Comfort producing technical documentation and diagrams (e.g., Visio)