Senior Software Engineer

Research Innovations Incorporated

Senior Software Engineer designing and delivering mission-critical software systems at RII. Focused on developing solutions for Defense and Homeland Security customers.

Posted 6/8/2026full-timeRemote • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies

Cyber SecurityDockerGradleJavaJavaScriptJenkinsJestJUnitLinuxMicroservicesNode.jsReactSpringSpring BootSpringBoot

About the role

Key responsibilities & impact

Design, develop, and maintain scalable Java-based microservices using frameworks such as Spring Boot
Build and deploy containerized applications using Docker (or equivalent technologies)
Develop and enhance a large-scale React-based front-end application
Implement robust unit and integration testing using tools like JUnit and Jest
Support system integration, validation, and operational release activities
Apply cybersecurity best practices to meet compliance and hardening requirements
Develop internal tools that improve developer productivity and system performance
Collaborate across engineering, product, and mission teams to solve complex problems
Continuously improve code quality, scalability, and maintainability
Take ownership of features from design through deployment in a fast-paced, mission-driven environment

Requirements

What you’ll need

6+ years of professional software engineering experience
Bachelor’s degree in Computer Science or related field (or equivalent experience)
Strong experience building backend systems using Java and Spring frameworks
Experience designing and implementing RESTful APIs and real-time communication (WebSockets)
Proficiency with modern development tools: Git, Jenkins, Gradle, Node.js, Docker
Experience building complex, data-driven UI applications with strong validation logic
Comfortable working in Linux-based environments
Proven ability to contribute across the full software development lifecycle

Benefits

Comp & perks

flexible work schedules
health insurance coverage
paid time off
401k with a company match
paid parental leave
access to wellness programs
community game room
pantry
massage chair
escape room

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

JavaSpring BootReactDockerJUnitJestRESTful APIsWebSocketsGitJenkins

Soft Skills

collaborationproblem-solvingownershipadaptabilitycommunication

Certifications

Bachelor’s degree in Computer Science