Software Engineer II – UI/UX (Contract)

Filled
February 25, 2026
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Job Description

Location: Folsom, CA
Domain: ISR & Advanced Web Applications
Employment Type: Contract

About the Opportunity

We are partnering with a leading engineering organization developing advanced airborne ISR technologies and next-generation defense solutions. This team operates at the cutting edge of mission-focused software, supporting critical national security programs.

We are seeking a Software Engineer II with strong UI/UX expertise to join the ISR Engineering team. This role sits at the intersection of user experience, human factors, and modern web engineering, delivering intuitive, high-performance interfaces for mission-critical applications.

Responsibilities

  • Translate UX requirements into wireframes, mockups, and working prototypes.
  • Design intuitive web applications using modern front-end frameworks.
  • Apply human factors principles to optimize workflow efficiency and usability.
  • Collaborate with senior engineers and stakeholders to refine UI direction.
  • Develop and enhance features within an existing MERN-based system.
  • Evaluate and integrate emerging web technologies.
  • Present designs and technical solutions in internal and customer reviews.
  • Contribute to Agile development cycles.
  • Make informed technical decisions that shape product direction.

Required Experience & Skills

Experience:

  • 2–4 years in software engineering with UI/UX focus.
  • Experience in Agile development teams.
  • Full stack web application experience preferred.

Technical Skills:

  • Languages: JavaScript, TypeScript, HTML/CSS, Java
  • Frameworks: React, Node.js, Express, Next.js, Material UI
  • 3D / Visualization: Cesium, Resium, WebGL, WebGPU
  • Databases: MongoDB
  • DevOps & Tooling: Git, Docker, Kubernetes, Helm
  • Strong understanding of RESTful APIs
  • Familiarity with security and encryption principles

Education:

  • Bachelor’s degree in Computer Science, Engineering, or related field

Additional Requirements:

  • Strong written and verbal communication skills
  • Comfortable presenting technical material to stakeholders
  • Able to work independently with minimal supervision
  • Willingness to travel up to 10%
  • Must be eligible to obtain and maintain a U.S. Security Clearance

Why This Role?

  • Join a highly collaborative, engineering-led team where your UI/UX decisions directly impact mission-critical systems.
  • Work with senior technical leadership from day one.
  • Solve complex problems and apply human factors to real-world defense applications.
  • Build high-performance, secure web systems with cutting-edge technologies.