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. Person, defined as a U.S. citizen, permanent resident, Asylee, or Refugee. 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. We are seeking a Front-End Software Engineer to support the development and modernization of a mission-critical big data analytics platform for a United States Government customer.

The successful candidate will design and build secure, scalable, and intuitive web applications that enable analysts and decision-makers to access, visualize, and interact with large-scale datasets. This role requires close collaboration with product owners, UX designers, back-end engineers, data engineers, and cybersecurity personnel within an Agile development environment.

• 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 4 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 like 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…