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Mid Level User Interface Designer Jobs (NOW HIRING)

NS2 Mission

Mid-level UI Developer

Chantilly, VA · On-site

$125K - $169K/yr

NS2 Mission is looking for a Mid-level UI Developer with strong Vue.js experience to craft modern ... Collaborate with UX/UI designers to refine user workflows and interactions * Integrate front-end ...

Navtech, Inc.

Mid-Level UI developer

Atlanta, GA · On-site

$48 - $62.50/hr

I have an opportunity for a " Mid-Level UI Developer " - ( Atlanta, GA - Onsite) and I am looking for a candidate who can join Immediately if you are interested, reply to me with your updated resume ...

ADP, Inc.

Mid-level UI Developer

Chantilly, VA · On-site

$125K - $169K/yr

NS2 Mission is looking for a Mid-level UI Developer with strong Vue.js experience to craft modern ... Collaborate with UX/UI designers to refine user workflows and interactions * Integrate front-end ...

NS2 Mission

Mid-level UI Developer

Chantilly, VA · On-site

$125K - $169K/yr

NS2 Mission is looking for a Mid-level UI Developer with strong Vue.js experience to craft modern ... Collaborate with UX/UI designers to refine user workflows and interactions * Integrate front-end ...

IMCS Group

UX/UI Designer

Irving, TX · Remote

Junior to mid-level (1-5 years experience) Title: UI/UX Designer Description This designer will be designing screens for software used in labs that use lab equipment. The applications are incredibly ...

ProSidian Consulting

UX/UI Designer

Alexandria, VA · Hybrid

... Team Mid Level Professional aligned under services related to NAICS: 541611 - Management and ... We seek UX/UI Designer | Human Capital Technology Support - Self-Service Portals [NSF0062062 ...

Leidos

Mid-Level UI/UX Developer

Gaithersburg, MD · On-site

$87K - $157K/yr

This is an opportunity to see your designs move beyond the screen and directly support real-world ... experienced Mid-Level UI/UX Developer for the Maru Program. The Maru Program delivers mission ...

Leidos

Mid-Level UI/UX Developer

Gaithersburg, MD · On-site

$87K - $157K/yr

This is an opportunity to see your designs move beyond the screen and directly support real-world ... experienced Mid-Level UI/UX Developer for the Maru Program.The Maru Program delivers mission ...

Via Logic LLC

Mid-Level UI/UX Developer

Gaithersburg, MD · On-site

$87K - $157K/yr

This is an opportunity to see your designs move beyond the screen and directly support real-world ... experienced Mid-Level UI/UX Developer for the Maru Program. The Maru Program delivers mission ...

Collabera

User Interface (UI) Designer

New York, NY · On-site

... mid-size companies to meet their talent needs with high quality IT resources through Staff ... The UI Designer will work closely with an existing team of high performing UX Designers, User ...

Collabera

User Interface (UI) Designer

Phoenix, AZ · On-site

... mid-size companies to meet their talent needs with high quality IT resources through Staff ... The UI Designer will work closely with an existing team of high performing UX Designers, User ...

C2 Technologies, Inc.

UI Designer

Arlington, VA · On-site

$50K - $100K/yr

UI Designer C² Technologies seeks a UI Designer to collaborate with instructional designers, web ... Our salary ranges are determined by role, level, and structural alignment. Individual pay is ...

C2 Technologies

UI Designer

Arlington, VA · On-site

$50K - $100K/yr

UI Designer C² Technologies seeks a UI Designer to collaborate with instructional designers, web ... Our salary ranges are determined by role, level, and structural alignment. Individual pay is ...

Collabera

Jr. User Interface (UI) Designer

Phoenix, AZ · On-site

... mid-size companies to meet their talent needs with high quality IT resources through Staff ... The Junior UI Designer will work closely with an existing team of high performing UX Designers ...

Strong Tower Consulting

UI Designer

Palo Alto, CA · On-site

Present and defend designs and key milestone deliverables to peers and executive level stakeholders ... Demonstrable UI design skills with a strong portfolio * Solid experience in creating wireframes ...

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As of Sep 10, 2026, the average hourly pay for mid level user interface designer in the United States is $48.34, according to ZipRecruiter salary data. Most workers in this role earn between $38.46 and $60.58 per hour, depending on experience, location, and employer.

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Mid-level UI Developer

Chantilly, VA • On-site

NS2 Mission
See more jobs at NS2 Missionexternal

$125K - $169K/yr

Full-time

Re-posted 22 days ago

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

  • 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. 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: NS2Mission.Careers@sapns2.com.

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.