Mid-level Full Stack Software Engineer – TS/SCI

Vantor

. Design, develop, test, and maintain interactive web applications and supporting back-end services .

Posted 11/3/2026full-timeUnited StatesSeniorLead💰 $140,000 - $200,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in full-stack software development, including proficiency in JavaScript/TypeScript, React, and Python. Capable of designing and maintaining interactive web applications, RESTful APIs, and data-driven solutions while collaborating effectively with multidisciplinary teams.

Highest-signal resume keywords

Full-Stack Software DevelopmentJavaScript/TypeScript ProficiencyRESTful API DevelopmentData-Driven Application DevelopmentActive TS/SCI Clearance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaScriptTypeScriptReactAngularVue.jsPythonJavaGoC#RESTful API Development

Tools & Technologies

CI/CDMicroservicesDatabase IntegrationsAnalytical ToolsInteractive Dashboards

Certifications & Qualifications

Bachelor's Degree in Computer ScienceActive TS/SCI Clearance

Industry Keywords

Web Application EngineeringTechnical Support RoleData Processing ServicesUser-Facing ApplicationsU.S. Export Control Laws

Tech Stack

Tools & technologies

AngularJavaJavaScriptMicroservicesPythonReactTypeScriptVue.jsGo

About the role

Key responsibilities & impact

Design, develop, test, and maintain interactive web applications and supporting back-end services
Integrate data sources, analytical models, data processing services, and APIs into user-facing applications
Develop interactive dashboards, visualizations, search interfaces, and analytical tools
Develop and maintain RESTful APIs, microservices, and database integrations
Collaborate with multidisciplinary engineering and analytics teams
Implement new capabilities and troubleshoot application issues
Optimize performance and support CI/CD, testing, and software deployment activities

Requirements

What you’ll need

U.S. Citizen
Active TS/SCI clearance and willingness to obtain a CI poly
Bachelor's degree in computer science, software engineering, information systems, or related technical field
8+ years of total professional experience in a technical support role
Experience in full-stack software development, web application engineering, or related software engineering discipline
Proficiency in JavaScript/TypeScript, React, Angular, or Vue.js
Experience developing responsive, interactive web applications
Proficiency in Python, Java, Go, or C#
Experience developing RESTful APIs, integrating databases, and building server-side applications
Experience developing data-driven applications and integrating structured data, analytical services, and visualization capabilities
Willingness to work onsite 75% (or as needs dictate) from either Herndon, VA or Westminster, CO
Certain roles may require U.S. person status under U.S. export control laws

Benefits

Comp & perks

401(k) with company match
Mental health resources
Student loan repayment assistance
Adoption reimbursement
Pet insurance
Competitive total rewards package