Principal Full Stack Software Engineer (TS/SCI with CI poly)

Vantor•Herndon, VA

2d•$200,000 - $270,000•Onsite

About The Position

Vantor is seeking an experienced Senior Full Stack Engineer to develop and enhance advanced geospatial and Motion GEOINT applications. The role builds scalable, high-performance solutions across the full technology stack, including interactive visualization and 3D capabilities. The engineer will work within an Agile team to deliver mission-critical features, improve system architecture, and optimize performance across distributed systems. Strong object-oriented design skills, a performance-focused mindset, and the ability to contribute quickly in complex environments are important. The ideal candidate is self-driven, collaborates effectively, and thrives in fast-paced, technically challenging settings. The position requires U.S. citizenship and an active U.S. Government Security Clearance at the TS/SCI with CI poly level. The minimum qualifications also note an active TS/SCI with CI poly or willingness to obtain a CI poly; applicants without the required active clearance are otherwise described as ineligible for consideration. Employment for cleared roles is contingent upon verification of clearance status. Certain roles may be subject to U.S. export control laws requiring U.S. person status.

Requirements

Must be a U.S. Citizen.
Must have an active TS/SCI with CI poly, or willingness to obtain a CI poly; the posting also states that applicants who do not currently hold the required clearance are not eligible for consideration.
10+ years of full stack software development experience.
Experience with geospatial applications, including Motion GEOINT data, concepts, and systems.
Strong proficiency in one or more programming languages such as C, C++, Java, Python, or JavaScript.
Experience with modern development practices, including version control, automated testing, and CI/CD.
Solid understanding of object-oriented design principles and distributed systems.
Ability to collaborate effectively within a team and communicate technical concepts clearly.

Nice To Haves

Expertise in modern frameworks and technologies such as React, Angular, Node.js, Django, or Spring.
Experience with 3D graphics, visualization, or game engine technologies such as OpenGL, WebGL, Unity, or CesiumJS.
Strong background in geospatial tools and platforms such as PostGIS, GeoServer, ArcGIS, QGIS, Leaflet, or Mapbox.
Experience with big data and distributed processing frameworks such as Hadoop, Spark, or GeoWave.
Familiarity with DevOps tools and practices such as Jenkins, Chef, Vagrant, or automated configuration management.
Experience with cloud and virtualization technologies such as AWS, VMware, or VirtualBox.
Proficiency with databases such as PostgreSQL, MySQL, Cassandra, or SQLite.
Experience with multithreading, multiprocessing, and high-performance computing.
Knowledge of mobile development platforms such as Android, iOS, or Windows.
Strong UI/UX development experience with a focus on usability and performance.
Demonstrated ability to quickly learn new technologies and adapt in a fast-paced environment.
Self-motivated, results-oriented mindset with the ability to work independently.

Responsibilities

Design, develop, and maintain full stack applications supporting geospatial and Motion GEOINT systems.
Build scalable, high-performance software across front-end, back-end, and data layers.
Develop interactive visualization and 3D rendering capabilities for GIS and simulation-based applications.
Collaborate with cross-functional teams to deliver mission-critical features and enhancements.
Contribute to system architecture, object-oriented design, and microservices-based solutions.
Optimize application performance, scalability, and reliability across distributed systems.
Implement and support CI/CD pipelines, automated testing, and configuration management.
Participate in Agile development processes, including sprint planning, standups, and code reviews.
Troubleshoot and resolve complex technical issues across multiple environments and technology stacks.