Mid-level UI Developer with Security Clearance

NS2 Mission; Chantilly (VA); On-site; USD 126,000 - 170,000; Full time

Job summary

NS2 Mission is seeking a Mid-level UI Developer to build clean, responsive interfaces using Vue.js for mission-critical space operations. You will contribute to the EMMETT SDA Indications and Warning system, delivering intuitive dashboards and robust front-end experiences.

The role focuses on translating designs into high-quality code, improving performance, and collaborating with a distributed team to ensure reliable, user-friendly applications. On-site work in Chantilly, VA is required.

Qualifications

• Bachelor’s degree in Computer Science or a related field.
• 5+ years of experience in user interface development.
• Proficiency in Vue.js.
• Experience with JavaScript, TypeScript, HTML5, and CSS.
• Understanding of responsive design and UI/UX principles.
• Experience integrating with RESTful APIs.
• Experience with version control systems (Git).
• Ability to work onsite in Chantilly, VA.

Responsibilities

• Design and develop dynamic, responsive user interfaces using Vue.js.
• Build reusable UI components and maintain consistency across applications.
• Translate wireframes, mockups, and design systems into high-quality code.
• Collaborate with UX/UI designers to refine user workflows and interactions.
• Integrate front-end components with RESTful APIs and backend services.
• Optimize UI performance and initial load times.
• Participate in code reviews and contribute to front-end/UI best practices.
• Troubleshoot and resolve UI/UX issues in production environments.

Skills

Vue.js

JavaScript

TypeScript

HTML5

CSS

RESTful APIs

Git

Responsive UI

UI/UX

Education

Bachelor’s degree in Computer Science or related field

Tools

Git

Job description

Want to build clean, intuitive user interfaces that directly support mission-critical space operations? NS2 Mission is looking for a Mid-level UI Developer with strong Vue.js experience to craft modern, responsive applications that deliver both performance and exceptional user experience.

In this role, you’ll support the EMMETT program, a next-generation Space Domain Awareness (SDA) Indications and Warning (I&W) system. The platform establishes and maintains a repository of resident space objects (RSOs), identifies objects of interest, and delivers critical data to ground operators.

You’ll play a key role in developing user interfaces that make complex space and sensor data accessible and actionable, working alongside a team leveraging programmatic expertise, sensor modeling, and systems engineering to deliver a world-class SDA capability.

Key Responsibilities

• Design and develop dynamic, responsive user interfaces using Vue.js
• Build reusable UI components and maintain consistency across applications
• Translate wireframes, mockups, and design systems into high-quality code
• Collaborate with UX/UI designers to refine user workflows and interactions
• Integrate front-end components with RESTful APIs and backend services
• Optimize UI performance and initial load times
• Participate in code reviews and contribute to front-end/UI best practices
• Troubleshoot and resolve UI/UX issues in production environments

Required Qualifications

• Bachelor’s degree in Computer Science, or a related field
• 5+ years of experience in user interface development
• Proficiency in Vue.js
• Experience with JavaScript, TypeScript, HTML5, and CSS
• Understanding of responsive design and UI/UX principles
• Experience integrating with RESTful APIs
• Experience with version control systems (Git)
• Ability to work onsite in Chantilly, VA

Preferred Qualifications

• Experience with modern build tools and deployment pipelines
• Knowledge of UI testing frameworks
• Exposure to cloud environments (AWS, Azure, or GCP)

What You’ll Bring

Skills

• A strong eye for visual detail, layout, and user experience
• Passion for creating intuitive and aesthetically polished interfaces
• Well-tested, maintainable code
• Ability to balance design fidelity with technical performance
• Strong collaboration and communication skills across geographically distributed team
• A proactive mindset and attention to continuous UI improvement

Position Clearance Requirement

TS/SCI with CI Poly

Salary And Benefits Information

The salary range for this position is $125,899.00 to $169,878.00. 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: https://sapns2.com/ns2-mission-careers/ 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. 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.