Senior Front-End Software Engineer (TS/SCI)

Company: Vantor
Location: Herndon
Posted on: March 2, 2026

Job Description:

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. To be eligible for this position, you must be a U.S. Citizen. 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. Vantor is seeking a Senior Front-end Software Developer to support the development and integration of various intelligence capabilities into a test and operational environment. You will be a member of a project team supporting a user base with a mission to solve unique and challenging problems in support of national security. Your work will support the development of a GIS user interface to ensure that it meets the requirements of our users. You will work with a team of other front-end and back-end software developers and engineers, DevSecOps engineers, Systems Engineers, and GIS experts to build the user interface components supporting the development team. Responsibilities: Implement UI/UX designs and other front-end components ensuring that the user experience is intuitive and effective for operational users. Develop and implement user interfaces for web-based GIS applications, ensuring a seamless and engaging analyst user experience. Ensure that newly developed components and features adhere to our design systems and guidelines to ensure consistency across applications. Thoroughly test and review code and make sure it meets acceptance criteria. Minimum Qualifications: Must be a U.S. citizen with an active TS/SCI required (willing to obtain CI poly). Bachelor’s degree in computer science or software engineering (or equivalent experience) with 7 years of relevant software development experience. Strong JavaScript proficiency (Vue, React, Angular) with experience in modern software development, CI/CD pipeline integration, and deployment. Agile development experience using Jira. Experience working with geospatial data (multiple coordinate systems, projections, formats). Proficient with Git version control, peer code reviews, and collaborating effectively with distributed and cross-functional teams. Desired Qualifications: Experience leading in an agile development environment as a product owner or scrum master. Proficient in design tools such as Adobe Creative Suite, Sketch, Figma, or similar is a bonus as UI/UX design work is done in collaboration with frontend developers. Experience with automated end-to-end testing using tools such as Playwright, Selenium, or Cypress. Familiarity with observability and monitoring tools such as Grafana or Loki. 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 California, Colorado, Hawaii, New Jersey, the Washington, DC metropolitan area, and for all other states is: $165,000.00 - $200,000.00 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.

Keywords: Vantor, Frederick , Senior Front-End Software Engineer (TS/SCI), IT / Software / Systems , Herndon, Maryland