Senior Software Integration Engineer-API design
Senior Software Integration Engineer-API design Belong. Connect. Grow. with KBR! 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.
- Build the "single pane of glass" for developers and consumers intuitive workflows for modeling and development setup, orchestration, monitoring, and analysis
- Translate complex simulation concepts (timing, state‑of‑play, user inputs) into usable experiences
- Design and implement modular React/TypeScript front‑ends (or equivalent) with reusable components and UX patterns tailored to planners
- Integrate with platform REST/gRPC/GraphQL APIs for model catalogs, scenario design, job status, data & metadata access
- Visualize timing/synchronization, state‑of‑play, and entity interactions; real‑time status via WebSockets/SSE
- Build secure UI flows: authentication/authorization (OIDC/OAuth2), role‑based views, audit logging
- Collaborate with API/platform/HPC teams to evolve UX based on mission workflows and VV\&A needs
- Location: On-site/Hybrid/Remote
- Travel Requirements: 15%
- Working Hours: Standard
- 8+ years of Software Engineering experience with 4-6+ years building production SPA front‑ends (React/TypeScript preferred; Angular/Vue acceptable)
- Strong API integration skills (REST/GraphQL), state management (Redux/Zustand), and real‑time patterns
- UI/UX for complex domains; accessibility (WCAG) and performance optimization
- Ability to obtain a DoW Secret clearance
- Data visualization (D3, Three.js/WebGL) for entity timelines, maps, and campaign metrics
- Experience with secure environments (Content Security Policy, hardened builds) and design systems
- Comfortable delivering UI assets for multi‑environment deployments
- Active Top Secret clearance with SCI eligibility
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