Mid-level Full Stack Software Engineer

Vantor

Mid-level Full Stack Software Engineer developing features for big data analytics platform. Collaborating across teams in a mission-focused environment with emphasis on user needs.

Posted 4/23/2026full-timeHerndon • Colorado, Virginia • 🇺🇸 United StatesSeniorLead💰 $125,000 - $145,000 per yearWebsite

Tech Stack

Tools & technologies

AngularDistributed SystemsJavaJavaScriptNode.jsNoSQLPythonReactSQLTypeScriptVue.js

About the role

Key responsibilities & impact

Design, develop, and maintain features for a big data analytics platform
Build responsive front-end applications and scalable backend APIs/services
Collaborate with cross-functional teams to define, design, and ship new features
Optimize applications for performance, scalability, and reliability
Integrate with large-scale data pipelines and distributed systems
Write clean, maintainable, and well-tested code
Participate in code reviews and contribute to engineering best practices
Work onsite in a SCIF environment 80% or as needs dictate in either Herndon, VA or Westminster, CO

Requirements

What you’ll need

Must be a U.S. Citizen with an active TS/SCI with CI poly (or willingness to obtain a CI poly)
8+ years of technical experience in:
Front-end frameworks (e.g., React, Angular, or Vue)
Backend development (e.g., Python, Java, Javascript, R, Node.js, or similar)
Designing and consuming RESTful APIs
Databases (SQL and/or NoSQL)
Capable of working effectively with a geographically distributed ops & development team
Communicate effectively with customers and team in written and oral forums
Degree or equivalent demonstrated experience in a technical field such as Computer Science, Engineering, Math, GIS.

Benefits

Comp & perks

robust 401(k) with company match
mental health resources
student loan repayment assistance
adoption reimbursement
pet insurance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

big data analyticsfront-end frameworksReactAngularVuebackend developmentPythonJavaJavaScriptNode.js

Soft Skills

collaborationcommunicationcode reviewsengineering best practicesperformance optimizationscalabilityreliabilityteamworkcustomer communicationproblem-solving

Certifications

U.S. CitizenshipTS/SCI clearanceCI polygraph