Full Stack Developer

Vantor Services•McLean, VA

9h•Onsite

About The Position

Vantor is seeking a Full Stack Developer with a strong frontend and data-integration focus to support the development of a mission-critical, web-based application used for data ingest, analytics, visualization, and dissemination. This role emphasizes building intuitive user interfaces backed by robust APIs and data-processing services in a fast-paced, customer-facing environment. This position requires an active U.S. Government Security Clearance at the TS/SCI level with required polygraph. To be eligible for this position, you must be a U.S. Citizen. 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).

Requirements

Bachelor’s degree in Computer Science or related technical field.
5+ years of professional software development experience.
Strong experience with modern frontend frameworks (Angular preferred; React or Vue acceptable).
Experience using UI component libraries (PrimeNG preferred) and/or Tailwind CSS.
Backend API development experience using Node.js (Nest.js or similar).
Experience integrating Python-based analytics or data processing services.
Hands-on experience with relational databases, particularly PostgreSQL.
Experience building and deploying applications in AWS environments.
Willingness to work onsite full time.
Active U.S. Government Security Clearance at the TS/SCI level with required polygraph.
U.S. Citizen.

Nice To Haves

Experience with data visualization and analytical presentation of results.
Familiarity with pandas or polars for data processing.
Experience with Trino or distributed query engines.
Experience implementing authentication and authorization in cloud-based systems.
Familiarity with Docker-based development workflows.

Responsibilities

Collaborate with government stakeholders and product leadership to refine and document application requirements.
Design and implement modern, responsive user interfaces using Angular or comparable frameworks (React or Vue).
Build and integrate backend APIs using Node.js (Nest.js) and Python-based analytics services.
Integrate external data sources, analytics libraries, and query engines to support complex workflows.
Partner with UI/UX designers and power users to deliver intuitive, data-driven user experiences.
Participate in Agile development activities including sprint planning, daily standups, demos, and retrospectives.
Test and validate features to ensure functional, performance, and usability requirements are met.