About the role

Role overview

Rackner is hiring a Frontend Software Engineer to build secure, interactive frontend features for a mission-planning and decision-support platform supporting a Department of Defense customer. You will turn complex mission and technical information into clear, responsive user experiences, integrating with backend services and APIs.

Responsibilities

Build interactive frontend features using React and TypeScript
Translate complex mission/technical information into clear, usable workflows
Connect UI components to APIs and backend services
Support data-rich, map-based, and decision-support application features
Present application data and AI-enabled outputs in ways users can understand and act on
Write maintainable, testable code that meets functional and security requirements
Develop unit and integration tests for application features
Participate in code reviews, technical discussions, and security remediation
Document workflows, design decisions, and technical changes
Collaborate with backend, AI/ML, security, DevSecOps, and customer engineering teams
Attend onsite sprint planning approximately every six weeks at a customer facility in Laurel, Maryland

Requirements

4+ years of software development experience
Hands-on experience building modern frontend applications
React and TypeScript experience
Experience integrating user interfaces with APIs/backends
Understanding of component-based development, application state, and data flow
Git-based development and secure software development practices
Ability to write and test clear, maintainable code
Bachelor’s degree in computer science or related field

Nice to have (strengthens fit)

Geospatial/mapping experience (e.g., Cesium / CesiumJS)
Experience with map-based/spatial/data-visualization applications
OpenShift/Kubernetes and containerized environments
GitLab and secure CI/CD workflows
API development experience with FastAPI/Flask/Python
Automated testing and vulnerability remediation
Defense/aerospace/command-and-control/mission-planning software experience
Frontend integration of AI-assisted recommendations/decision support

Other important details

Primarily remote (US-based), using customer-provided systems
Onsite sprint planning in Laurel, Maryland about every six weeks
Contingent on contract award and final customer approval
Anticipated start date: November 2026

About Rackner

Rackner is a technology company focused on building secure solutions for critical defense and public-sector missions. The role involves delivering modern software for Department of Defense customers, collaborating across engineering disciplines including backend, AI/ML, security, and platform teams.

Frontend Software Engineer — Secure Mission Systems

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