Front End Developer

MANTECH

seeks a motivated, career and customer-oriented

Front End Developer

to join our team in

Annapolis Junction, MD.

Responsibilities include but are not limited to:
Design and develop web-based user interfaces for operational tools and capability management systems
Create visualization dashboards that present complex technical data in operator-friendly formats
Conduct user research with operators to understand workflow pain points and interface requirements
Build responsive, accessible web applications optimized for operational environment constraints
Integrate front-end applications with back-end APIs, data pipelines, and capability infrastructure
Implement real-time data visualization for operational status, system health, and mission telemetry
Develop interface components that streamline operator workflows during mission execution
CONUS travel maybe required up to 25%.

Minimum Qualifications:
Bachelor's degree and 4+ years of experience OR High School Diploma/GED and 8+ years of experience OR Associate’s degree and 6+ years of experience OR Master’s Degree and 2+ years, OR a PhD with 0+ years of progressively responsible experience.
3+ years professional front-end development experience
Expert proficiency in HTML5, CSS3, and TypeScript
Strong experience with modern JavaScript frameworks (React, Vue, Angular, or similar)
Experience with RESTful API integration and asynchronous data handling Proficiency with data visualization libraries (D3.js, Plotly, Chart.js, or similar)
Experience with version control (Git) and collaborative development workflows
Familiarity with build tools and package managers (Webpack, npm, yarn)

Preferred Qualifications:
Proficiency with Golang for backend integration and tooling development
Experience building applications for cybersecurity operations or intelligence analysis
Familiarity with Svelte framework and real-time data visualization and WebSocket implementations
Experience with component libraries and design systems (Material-UI, Ant Design)
Bachelor's degree in Computer Science, Human-Computer Interaction, Design, or related field (or equivalent experience)

Clearance Requirements:
An active TS/SCI with Polygraph is required.

Physical Requirements:
Must be able to remain in a stationary position 50% of the time.
Needs to occasionally move about inside the office to access file cabinets and office machinery.
Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.
Must be able to exchange accurate information in these situations.