Junior Frontend Software Engineer

KBR is seeking a Junior Frontend Software Engineer to support development of web-based user interfaces for cyber and electronic warfare tools, decision support systems, and laboratory test environments. This role focuses on building performant, maintainable, and testable frontend applications that interface with complex backend systems and real-time data sources.

This position is intended for early-career engineers with a solid foundation in modern frontend development who are motivated to learn, take feedback, and grow into more advanced software engineering responsibilities. The engineer will work under guidance from senior engineers while contributing to production-grade applications used across research and applied DoD programs., * Develop and maintain frontend applications using modern web technologies

• Implement user interface components, application state management, and data visualization features
• Integrate frontend applications with backend services, APIs, and real-time data streams
• Develop and maintain reusable UI components and styling systems for consistency across applications
• Write unit, integration, and end-to-end tests to validate frontend behavior and prevent regressions
• Support CI/CD pipelines, automated build systems, and deployment workflows for web applications
• Debug and resolve frontend performance issues, rendering problems, and cross-browser compatibility concerns
• Work with senior engineers to translate requirements into functional UI designs and implementation plans
• Document application behavior, architecture decisions, and development workflows

• Bachelor's degree in Computer Science, Software Engineering, or a related field
• 0-5 years of software development experience
• Experience with modern frontend technologies
• Experience with at least one frontend framework (e.g., React, Angular, or Vue)
• Familiarity with version control systems (e.g., Git)
• Understanding of basic web concepts including HTTP, REST APIs, and client-server architecture
• Ability to obtain and maintain a U.S. DoD security clearance

Desired Qualifications

• Experience developing responsive or data-driven web applications
• Familiarity with frontend testing frameworks (e.g., Jest, Cypress, Playwright)
• Exposure to CI/CD pipelines and automated build/test workflows
• Experience with containerized development environments (e.g., Docker)
• Exposure to data visualization libraries (e.g., D3, Chart.js, or similar)
• Familiarity with secure development practices for web applications

Basic Compensation: $90,000 - $110,000 (For Ohio Only) The offered rate will be based on the selected candidate's knowledge, skills, abilities and/or experience and in consideration of internal parity.

KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country's most critical role - protecting our national security. Why Join Us? * Innovative Projects: KBR's work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. * Collaborative Environment: Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace. * Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense., At 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.