LIGHTFEATHER IO LLC

LIGHTFEATHER IO LLC

Senior Full Stack Engineer

Alexandria, Virginia · Senior · Full-time

No sponsorshipDetected 21 days ago
JavaScriptJavaReactHTMLSpringBackend DevelopmentFull-Stack DevelopmentCode ReviewRESTCommunication

About the role

  • The current environment includes large legacy systems managing operational workflows such as processing, tracking, and encounter management.
  • These systems carry layers of business rules, manual processes, and tightly coupled functionality.
  • This role does not offer sponsorship for a Public Trust - applicants without a current, active Public Trust will not be considered.

Responsibilities

  • Design, develop, and maintain full stack applications supporting modernization of DHS ICE systems.
  • Translate operational requirements into scalable, modern application designs.
  • Develop backend services, APIs, and integration layers connecting legacy environments to modern platforms.
  • Build and enhance user-facing components using modern front-end technologies.
  • Support the full SDLC: analysis, design, development, testing, deployment, and maintenance.
  • Collaborate with stakeholders to clarify requirements and improve system behavior.

Requirements

  • U.S. citizenship is required for this position due to federal contract requirements.
  • U.S. Citizenship is required with the ability to obtain and maintain a Public Trust clearance.

Nice to have

  • Experience with legacy system modernization or transformation efforts.
  • Experience supporting federal or mission-driven environments.
  • Exposure to enterprise data platforms or large-scale system integrations.
  • Experience working in environments where requirements must be derived from real-world usage rather than formal documentation.

Skills

  • Bachelor's degree in Computer Science or related field (or equivalent experience).
  • 7+ years of hands-on full stack software development experience.
  • Experience working in complex or enterprise system environments.
  • Strong experience with Java and frameworks such as Spring Boot.
  • Experience designing and implementing RESTful APIs.
  • Experience with front-end technologies including JavaScript, React, HTML, and CSS.
  • Experience working with relational databases and data access patterns.
  • Ability to troubleshoot across multiple layers of an application stack.
  • Experience working in Agile or iterative delivery environments.
  • Ability to analyze and simplify complex systems and workflows.
  • Strong systems thinking and problem-framing capability.
  • Comfort working in ambiguous, poorly documented environments.

Benefits

  • High learning agility and willingness to adopt new platforms and tools.

Visa & Work Authorization

  • This role does not offer sponsorship for a Public Trust - applicants without a current, active Public Trust will not be considered.

This listing is sourced directly from LIGHTFEATHER IO LLC's careers page and normalized into a canonical job model.