Front End Developer

MANTECH; Maryland; On-site; USD 90,000 - 120,000; Full time

Job summary

MANTECH seeks a motivated Front End Developer to design and develop web-based user interfaces for operational tools and capability management systems in Annapolis Junction, MD. You will create visualization dashboards, conduct user research with operators, and build responsive, accessible applications optimized for operational environments.

Real-time data visualization and API integration are key parts of the role, with proficiency in HTML5, CSS3, TypeScript and frameworks like

Qualifications

• Bachelor’s degree or higher in a related field or equivalent combination of education and experience.
• 3+ years professional front-end development experience required.
• 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 Git and collaborative development workflows.
• Familiarity with build tools and package managers (Webpack, npm, yarn).
• Active TS/SCI with Polygraph clearance is required.

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.

Skills

Front-end development

HTML5

CSS3

TypeScript

React/Vue/Angular

REST APIs

Data visualization

Git

Webpack/NPM

Education

Bachelor's degree or higher in CS/EE/related

High School Diploma with 8+ years experience

Associate’s degree with 6+ years

Master’s degree with 2+ years

PhD with 0+ years

Tools

Webpack

npm

Yarn

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
• 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.