Software Developer / Full Stack Engineer NSIC

• Design, develop, test, and maintain scalable software solutions supporting mission requirements.
• Develop modern web-based user interfaces and backend services using microservice architectures.
• Build and maintain RESTful APIs and integrate data from multiple sources.
• Develop, test, and deploy containerized applications in Linux environments.
• Implement automated testing, source control best practices, and DevSecOps processes.
• Collaborate with software engineers, data scientists, analysts, and government stakeholders to deliver mission-focused capabilities.
• Support software deployment, maintenance, troubleshooting, and continuous improvement activities.

Clearance Requirement: Active TS/SCI security clearance

• Proficiency in Python development.
• Experience with JavaScript and/or TypeScript.
• Strong Shell Scripting skills (e.g., Bash).
• Experience working in Linux environments.
• Experience developing front-end applications using modern frameworks such as React, Vue, or Angular.
• Experience designing and developing RESTful APIs.
• Experience with microservice-based architectures.
• Proficiency with unit testing frameworks (e.g., Pytest, Jest).
• Experience using source control management tools (e.g., Git, GitLab).
• Strong command-line and scripting capabilities with demonstrated comfort using CLI-based workflows.
• Experience with non-relational databases such as MongoDB.
• Experience with containerization technologies such as Docker or Podman.

Preferred Qualifications

• Experience with Kubernetes or similar container orchestration platforms.
• Familiarity with CI/CD pipelines, particularly leveraging GitLab Runners.

Desired / Nice-to-Have Qualifications

• Experience with UI component libraries such as Material UI.
• Knowledge of CSS frameworks and preprocessors, including CSS and SASS.
• Experience developing and maintaining API documentation using OpenAPI/Swagger.
• Experience with relational databases such as PostgreSQL or MySQL.
• Understanding of data modeling and database design principles.
• Experience with package management tools such as Helm.
• Familiarity with service mesh technologies such as Istio.
• Experience with deployment and GitOps management tools such as Argo CD.

At KBR, we deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 37,000 people worldwide with customers in more than 85 countries and operations in over 28 countries. KBR is proud to work with its customers across the globe to provide technology, value-added services, and long-term operations and maintenance services to ensure consistent delivery with predictable results.

Trinzic is the future independent company to be created through the planned spin-off of KBR’s Mission Technology Solutions business, expected in January 2027. Our people work at the frontier of what is possible, delivering solutions in challenging environments and advancing some of the world’s highest-priority national security and space missions.

Backed by decades of mission success, deep expertise, and trusted partnerships, Trinzic will launch as a global organization with more than 18,000 employees supporting customers around the world. Join us at a defining moment and help shape the future of a company built to tackle complex challenges and make a meaningful impact.

Candidates who join KBR’s Mission Technology Solutions business before the spin-off will transition to Trinzic when the separation is complete and will not need to reapply for employment.

Position OverviewWe are seeking a Junior to Mid Software Developer / Full Stack Engineer to support advanced software development efforts for NSIC programs. The selected candidate will design, develop, test, and deploy scalable applications and services that support mission-critical analytical and operational capabilities. The ideal candidate will have experience developing modern web applications, APIs, containerized services, and data-driven solutions within Linux-based environments., Belong, Connect and Grow at KBRAt KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver - Together.