Front End Developer

MANTECH; Corridor North (MD); On-site; USD 110,000 - 140,000; Full time

Job summary

MANTECH in Annapolis Junction, MD seeks a motivated Front End Developer to design and build web interfaces for operational tools and capability management systems. You will create dashboards that translate complex data into operator-friendly visuals and run user research to improve workflows.

You will implement responsive, accessible applications, integrate with back-end APIs and data pipelines, and support real-time telemetry and system status displays. Some CONUS travel may be required.

Qualifications

• 3+ years professional front-end development experience
• Expert proficiency in HTML5, CSS3, and TypeScript
• 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)

Responsibilities

• 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%.

Skills

Front-end development

HTML5

CSS3

TypeScript

RESTful APIs

Education

Bachelor's degree

Associate’s degree

Master’s degree

PhD

Tools

Git

Webpack

npm

yarn

D3.js

Plotly

Chart.js

Job description

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
• 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.

Please select the highest level of security clearance you possess.