Senior Front-End Software Development Engineer

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what’s happening now and shape what’s coming next. Vantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world differently, and in doing so, be seen differently. Come be part of a mission, not just a job, where you can:
Shape your own future, build the next big thing, and change the world.

To be eligible for this position, you must be a U.S. Citizen. This position requires an active U.S. Government security clearance, applicants who do not currently hold the required clearance will not be eligible for consideration. Employment for cleared roles is contingent upon verification of clearance status.

Export Control/ITAR:
Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).

Please review the job details below.

This position requires an active U.S. Government Security Clearance at the TS/SCI with CI poly level.

• Design, develop, test, and maintain modern web-based user interfaces for enterprise-scale analytics applications.
• Build responsive, accessible, and high-performance front-end solutions using contemporary JavaScript frameworks.
• Collaborate with back-end and data engineering teams to integrate APIs, data services, and visualization components.
• Develop dashboards, reporting tools, and interactive data exploration capabilities for large and complex datasets.
• Participate in architecture discussions and contribute to front-end technical strategy and best practices.
• Ensure compliance with government security, accessibility, and software quality requirements.
• Perform code reviews, mentor junior developers, and promote engineering excellence across the team.
• Support Agile ceremonies, including sprint planning, backlog refinement, and retrospectives.
• Troubleshoot and resolve production issues while continuously improving application performance and usability.
• Work at corporate office site 3 days per week.
• Work in a SCIF as program and team needs dictate.

• US citizenship and an active TS/SCI clearance is mandatory for this position and required for consideration. Must be willing to obtain a CI Poly.
• Minimum of 14 years of total professional experience in a technical support role.
• Strong UI/UX skills with a focus on building responsive, user-friendly interfaces.
• Proficient in front-end and scripting languages such as JavaScript, Python, Java, and R; experienced in data extraction, manipulation, and visualization.
• Experience with modern front-end frameworks such as React, Angular, or Vue.js.
• Experience consuming RESTful APIs and working with JSON-based data services.
• Strong understanding of HTML5, CSS3, responsive design, and web accessibility standards.
• Experience with state management, component-based architectures, and front-end build tools.
• Familiarity with Agile software development methodologies and Dev Sec Ops  practices.
• Experience using Git-based source control and CI/CD pipelines.
• Experience designing software solutions with geospatial data types/formats and standards.
• Bachelor's degree or equivalent experience in Software Engineering, User Interface Design, Graphics, or related technical fields.

• Experience supporting federal government, defense, intelligence, or national security programs.
• Experience developing user interfaces for big data, analytics, AI/ML, or data visualization platforms.
• Proficiency with data visualization libraries such as D3.js, ECharts, Plotly, or similar technologies.
• Experience with cloud-native environments, including AWS, Azure Government, or Kubernetes-based platforms.
• Familiarity with microservices architectures and API-driven application design.
• Experience with automated testing frameworks such as Jest, Cypress, Playwright, or Selenium.
• Strong oral and written communication skills.

The base pay for this position within the Washington, DC metropolitan area is: $ - $ - $ annually.

For all other states, we use geographic cost of labor as an input to develop…