Software Engineer II

Company: Reflexive Concepts
Location: Laurel
Posted on: April 2, 2026

Job Description:

Reflexive Concepts is seeking a skilled Visualization Developer to join our team! Specifically, we are looking for a candidate with proficiency in front-end data visualization using JavaScript and/or TypeScript, including experience with React, D3.js or similar visualization libraries, and REST/JSON-based integrations. Qualifications: Fourteen (14) years experience as a SWE, in programs and contracts of similar scope, type, and complexity Bachelor’s degree in Computer Science or related discipline from an accredited college or university Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor’s degree Job Description: The successful candidate will build and maintain JavaScript-based web tools that allow users to visually explore large, complex datasets from a Knowledge Graph. The role emphasizes responsive UX, innovative visualization techniques, and clear data storytelling to support decision-making. Work happens in rapid development cycles with direct customer engagement, so adaptability and strong front-end skills are key. Required: Data Visualization proficiency – DOM-based (D3, SVG, etc.) and/or rendering-based (Canvas, WebGL, WebGPU, etc.) JavaScript and/or TypeScript React and JQuery JSON Desired: Experience integrating with existing NSA tools & API endpoints (e.g., CASPORT, CREATIVEMODE) Python DevOps experience – Docker/Docker compose, Podman, Nginx Unit testing (e.g., Vitest or Cypress)

Keywords: Reflexive Concepts, Rockville , Software Engineer II, IT / Software / Systems , Laurel, Maryland