UI / UX Developer

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what’s happening now and shape what’s coming next. Vantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world differently, and in doing so, be seen differently. Come be part of a mission, not just a job, where you can : Shape your own future, build the next big thing, and change the world.

Please ensure you read the below overview and requirements for this employment opportunity completely.

To be eligible for this position, you must be a U.S. Person, defined as a U.S. citizen, permanent resident, Asylee, or Refugee.

Note on Cleared Roles : If this position requires an active U.S. Government security clearance, applicants who do not currently hold the required clearance will not be eligible for consideration. Employment for cleared roles is contingent upon verification of clearance status.

Export Control / ITAR : Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).

Please review the job details below.

This position requires an active U.S. Government Security Clearance at the TS / SCI level with CI Polygraph.

Vantor is seeking a frontend-focused software developer with strong user interface (UI) and user experience (UX) skills to join our team. This role blends technical expertise in modern web development with an eye for design and usability. You’ll be responsible for creating intuitive, responsive, and visually appealing interfaces that make our applications easy and enjoyable to use.

If you have some or all of the following skills and experience, along with a passion for building usable and engaging applications that make real-world mission impact, we would love to talk with you.

Responsibilities :

Willing to work onsite in Reston, VA.

Develop, test, and maintain frontend features using modern web frameworks (e.g., React or Angular).

Translate wireframes, prototypes, and design concepts into high-quality, responsive code.

Collaborate closely with product managers and backend developers to deliver seamless user experiences that meet mission requirements.

Advocate for UX best practices and ensure accessibility and usability across all platforms.

Own the design and usability of multiple applications and mentor junior developers.

Optimize applications for performance, scalability, and cross-browser / device compatibility.

Contribute to design discussions, user testing, and iterative improvements of our products.

Stay current with frontend and design trends, tools, and best practices.

Minimum Qualifications :

Top Secret / SCI Security Clearance

Bachelor’s degree in Computer Science, Design, Human-Computer Interaction, or related field; or equivalent professional experience.

5+ years of experience in frontend development (JavaScript, TypeScript, HTML5, CSS3).

Experience with at least one modern frontend framework (Angular or React).

Strong understanding of UI / UX principles, design systems, and accessibility standards.

Proficiency with design tools (Figma, Sketch, or Adobe XD) and experience taking designs from wireframes and mockups to working user interfaces.

Excellent written and verbal communication skills, capable of engaging with and presenting to users and senior stakeholders.

Preferred Qualifications :

Familiarity with agile development methodologies.

Experience in a government or defense contracting environment.

Pay Transparency : In support of pay transparency at Vantor, we disclose salary ranges on all U.S. job postings. The successful candidate’s starting pay will fall within the salary range provided below and is determined based on job-related factors, including, but not limited to, the experience, qualifications, knowledge, skills, geographic work location, and market conditions. Candidates with the minimum necessary experience, qualifications, knowledge, and skillsets for the position should not expect to receive the upper end of the pay range.

The base pay for this position within the Washington, DC metropolitan area is : $113,000.00 - $188,000.00 annually.

For all other states, we use geographic cost of labor as an input to develop market-driven ranges for our roles, and as such, each location where we hire may have a different range.

Benefits : Vantor offers a competitive total rewards package that goes beyond the standard, including a robust 401(k) with company match, mental health resources, and unique perks like student loan repayment assistance, adoption reimbursement and pet insurance to support all aspects of your life. You can find more information on our benefits at : https : / / www.Vantor.com / careers

The application window is three days from the date the job is posted and will remain posted until a qualified candidate has been identified for hire. If the job is reposted regardless of reason, it will remain posted three days from the date the job is reposted and will remain reposted until a qualified candidate has been identified for hire.

The date of posting can be found on Vantor's Career page at the top of each job posting.

To apply, submit your application via Vantor's Career page.

EEO Policy : Vantor is an equal opportunity employer committed to an inclusive workplace. We believe in fostering an environment where all team members feel respected, valued, and encouraged to share their ideas. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender identity, sexual orientation, disability, protected veteran status, age, or any other characteristic protected by law.