UI/UX Developer

Help create intuitive digital experiences that make complex mission systems easier to understand and use. Join NS2 Mission as a UI/UX Developer in Chantilly, VA , where you'll combine user-centered design principles with modern front-end development to create effective, accessible, and visually cohesive applications.

You'll work closely with product managers, software engineers, and mission stakeholders to understand user needs, translate requirements into thoughtful designs, and bring those concepts to life through functional interfaces. From early research and wireframes through prototyping and implementation, you'll help ensure applications are intuitive, consistent, and built around the people who rely on them.

Key Responsibilities

• Conduct user research and gather feedback to better understand user needs, behaviors, workflows, and pain points.
• Translate user and business requirements into wireframes, prototypes, user flows, and high-fidelity interface designs.
• Develop intuitive, responsive user interfaces using React, Next.js, JavaScript, and TypeScript.
• Apply HTML and CSS along with modern front-end practices to create accessible and visually consistent experiences.
• Collaborate with product managers, developers, and stakeholders throughout the design and development lifecycle.
• Build reusable interface components and contribute to scalable design systems and component libraries.
• Apply principles of color theory, typography, layout, and grid systems to create cohesive visual experiences.
• Evaluate designs through usability testing, stakeholder feedback, and iterative refinement.
• Promote accessibility and responsive design practices across applications and user experiences.
• Support the transition from design concepts and prototypes into production‑responsive front‑end components.
• Contribute to Agile/Scrum ceremonies and collaborate closely with development teams to ensure designs are implemented as intended.

Required Qualifications

• Bachelor's degree in Computer Science, Human-Computer Interaction, Interaction Design, Graphic Design, Information Systems, or a related discipline (or equivalent combination of education and experience).
• Professional experience in UI/UX design, front-end development, interaction design, or a related field.
• Demonstrated ability to conduct user research and translate findings into effective interface designs.
• Experience creating wireframes, prototypes, and user flows using modern design and prototyping tools.
• Strong proficiency with JavaScript and TypeScript.
• Hands‑on experience with React, Next.js, or comparable modern front-end frameworks.
• Solid knowledge of HTML and CSS and modern responsive web development practices.
• Understanding of user-centered design principles, visual design fundamentals, and usability best practices.
• Strong attention to detail with the ability to balance user needs, design requirements, and technical considerations.
• Experience collaborating with both technical and non‑technical stakeholders.

Preferred Qualifications

• Experience with prototyping and design tools such as Figma, Sketch, or Adobe XD.
• Familiarity with accessibility standards including WCAG and ARIA.
• Experience designing responsive and mobile‑first interfaces.
• Background contributing to design systems, reusable components, and UI libraries.
• Experience creating animations, transitions, and micro-interactions that enhance usability.
• Experience planning or conducting usability testing and incorporating findings into iterative designs.
• Familiarity with Agile or Scrum development methodologies.
• Experience working with development teams to translate design specifications into production‑ready components.

Position Clearance Requirement

TS/SCI FSP

Salary and Benefits Information

The salary range for this position is $131,644.00 to $190,789.00. The proposed range is intended as a general guideline. Final compensation will be determined based on qualifications, experience, location, and contractual considerations and may fall outside of the stated range. We offer a great benefits package designed to support you and your family. View our benefits information here:

Please be aware many of our positions require the ability to obtain or maintain a U.S security clearance which requires U.S citizenship.

We win with inclusion

NS2 Mission's culture of inclusion, focus on health and well-being, and flexible working models help ensure that everyone - regardless of background - feels included and can run at their best. At NS2 Mission, we believe we are made stronger by the unique capabilities and qualities that each person brings to our company, and we invest in our employees to inspire confidence and help everyone realize their full potential. We ultimately believe in unleashing all talent and creating a better world.

NS2 Mission is committed to the values of Equal Employment Opportunity and provides accessibility accommodations to applicants with physical and/or mental disabilities. If you are interested in applying for employment with NS2 Mission and are in need of accommodation or special assistance to navigate our website or to complete your application, please send an e-mail with your request to Recruiting Operations Team: View email address on click.appcast.io.

Qualified applicants will receive consideration for employment without regard to their age, race, religion, national origin, ethnicity, age, gender (including pregnancy, childbirth, et al), sexual orientation, gender identity or expression, protected veteran status, or disability, in compliance with applicable federal, state, and local legal requirements.