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Software Engineer III

Reflexive Concepts

leadpermanentfrontendengineering-management Annapolis Junction, MD 70 days ago via LinkedIn

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Tags

ReactAngularVueJavaScriptTypeScriptHTMLCSSREST APIsGraphQLWCAG

About the role

Role Overview

Reflexive Concepts seeks a Software Engineer III (UI Front-End Software Engineer, SWE3) to support Nightwing CODEX. You will lead a team of UI developers, shaping front-end architecture and coding standards while staying hands-on across the full software development lifecycle in an agile environment.

Responsibilities

  • Lead and mentor UI/front-end developers with technical guidance, standards, and code reviews
  • Architect and implement scalable, maintainable front-end solutions using modern frameworks
  • Convert UX/UI prototypes and design specifications into functional, responsive, and accessible interfaces
  • Collaborate with backend engineers to design and integrate APIs and ensure efficient data flow
  • Contribute to full-stack efforts as needed (backend services, database interactions, deployment pipelines)
  • Define and enforce front-end coding standards, best practices, and component reuse
  • Partner with UX/UI and systems engineers to preserve design intent through implementation
  • Identify and resolve performance bottlenecks, cross-browser issues, and technical debt
  • Participate in sprint planning, technical estimation, and architectural decision-making
  • Ensure compliance with accessibility standards (e.g., Section 508, WCAG) throughout development

Requirements

  • 12+ years of experience as a Software Engineer on programs/contracts of similar scope, type, and complexity
  • Bachelor’s degree in Computer Science (or related) OR 4 years additional SWE experience may substitute for the degree
  • 7+ years experience in Software Database and Repository Interface Development
  • Proven experience leading or mentoring development teams

Technical Skills

  • Strong proficiency in modern front-end frameworks: React, Angular, or Vue
  • Solid web fundamentals: HTML, CSS, JavaScript
  • Full-stack experience including backend development (e.g., Node.js, Python, Java) and RESTful/GraphQL API design
  • Experience with state management, component-based architecture, and responsive design
  • Familiarity with Git, CI/CD pipelines, and cloud environments (AWS/Azure/GovCloud a plus)
  • Experience working with UX/UI and systems engineers to implement accessible interfaces

Desired Qualifications

  • Experience with tiered architectural systems
  • Experience in Linux/Ubuntu environments

Security Clearance

  • TS/SCI with Full-Scope Polygraph

About Reflexive Concepts

Reflexive Concepts is a software engineering organization providing technical solutions in support of mission-critical programs. The posting specifically references work on Nightwing CODEX, focused on developing and delivering front-end user interfaces for mission customers.

Scraped 7/22/2026