Front-End Software Development Engineer

Vantor; Herndon (VA); On-site; USD 116,000 - 169,000; Full time

Benefits offered by this job

401(k) with match

Mental health resources

Student loan repayment

Adoption reimbursement

Pet insurance

Job summary

Vantor is seeking a Front-End Software Engineer to modernize a mission-critical analytics platform for a U.S. Government client. You will design secure, scalable web apps for analysts, collaborating with product, UX, back-end, data, and cybersecurity teams in an Agile environment.

The role requires U.S. citizenship and an active TS/SCI clearance with CI poly. Expect hybrid work with 3 days on-site and site access in SCIF as needed.

Qualifications

• U.S. citizenship and active TS/SCI clearance required for consideration.
• Minimum 4 years in a technical/engineering role working with front-end systems.
• Strong UI/UX skills with responsive, accessible interfaces.
• Experience with modern front-end frameworks and API-driven data.
• Familiar with Agile, DevSecOps, Git, and CI/CD pipelines.
• Experience designing geospatial data solutions and visualization.

Responsibilities

• Design, develop, test, and maintain modern web-based interfaces for analytics.
• Build responsive, high-performance front-end solutions using JS frameworks.
• Collaborate with back-end/data teams to integrate APIs and data services.
• Develop dashboards and interactive data exploration capabilities.
• Mentor junior developers and contribute to technical strategy.
• Support Agile ceremonies and ensure security/compliance requirements.
• Troubleshoot production issues and improve performance.
• Work at corporate site 3 days per week; SCIF as needed.

Skills

UI/UX skills

Frontend development

REST APIs

JavaScript

Python

Java

R

HTML5/CSS3

Agile

Git/CI/CD

Geospatial data

Communication skills

Education

Bachelor's degree in Software Eng./UI Design or related

Tools

React

Angular

Vue.js

D3.js

Plotly

Kubernetes

AWS/Azure

CI/CD tooling

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. Person, defined as a U.S. citizen, permanent resident, Asylee, or Refugee.

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).

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

We are seeking a Front-End Software Engineer to support the development and modernization of a mission-critical big data analytics platform for a United States Government customer. The successful candidate will design and build secure, scalable, and intuitive web applications that enable analysts and decision-makers to access, visualize, and interact with large-scale datasets. This role requires close collaboration with product owners, UX designers, back-end engineers, data engineers, and cybersecurity personnel within an Agile development environment.

Principal Responsibilities

• Design, develop, test, and maintain modern web-based user interfaces for enterprise-scale analytics applications.
• Build responsive, accessible, and high-performance front-end solutions using contemporary JavaScript frameworks.
• Collaborate with back-end and data engineering teams to integrate APIs, data services, and visualization components.
• Develop dashboards, reporting tools, and interactive data exploration capabilities for large and complex datasets.
• Participate in architecture discussions and contribute to front-end technical strategy and best practices.
• Ensure compliance with government security, accessibility, and software quality requirements.
• Perform code reviews, mentor junior developers, and promote engineering excellence across the team.
• Support Agile ceremonies, including sprint planning, backlog refinement, and retrospectives.
• Troubleshoot and resolve production issues while continuously improving application performance and usability.
• Work at corporate office site 3 days per week.
• Work in a SCIF as program and team needs dictate.

Required Qualifications

• US citizenship and an active TS/SCI clearance is mandatory for this position and required for consideration. Must be willing to obtain a CI Poly.
• Minimum of 4 years of total professional experience in a technical support role.
• Strong UI/UX skills with a focus on building responsive, user-friendly interfaces
• Proficient in front-end and scripting languages such as JavaScript, Python, Java, and R; experienced in data extraction, manipulation, and visualization
• Experience with modern front-end frameworks such as React, Angular, or Vue.js.
• Experience consuming RESTful APIs and working with JSON-based data services.
• Strong understanding of HTML5, CSS3, responsive design, and web accessibility standards.
• Experience with state management, component-based architectures, and front-end build tools.
• Familiarity with Agile software development methodologies and DevSecOps practices.
• Experience using Git-based source control and CI/CD pipelines.
• Experience designing software solutions with geospatial data types/formats and standards.
• Bachelor's degree or equivalent experience in Software Engineering, User Interface Design, Graphics, or like technical fields

Preferred Qualifications

• Experience supporting federal government, defense, intelligence, or national security programs.
• Experience developing user interfaces for big data, analytics, AI/ML, or data visualization platforms.
• Proficiency with data visualization libraries such as D3.js, ECharts, Plotly, or similar technologies.
• Experience with cloud-native environments, including AWS, Azure Government, or Kubernetes-based platforms.
• Familiarity with microservices architectures and API-driven application design.
• Experience with automated testing frameworks such as Jest, Cypress, Playwright, or Selenium.
• Strong oral and written communication skills.

Pay Transparency: To support pay transparency, Vantor includes salary ranges in all U.S. job postings. Starting pay for this role will fall within the listed range and will be based on factors such as experience, qualifications, skills, location, and market conditions. Candidates who meet the minimum requirements for the role should not expect to receive compensation at the top of the range. The listed range reflects the expected pay for this position, and final offers will be determined based on each candidate’s experience, expertise, and alignment with the role.

• The base pay for this position within the Washington, DC metropolitan area is: $116,000.00 - $154,000.00 - $169,400.00 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

• robust 401(k) with company match
• mental health resources
• student loan repayment assistance
• adoption reimbursement
• pet insurance

You can find more information on our benefits at: https://www.Vantor.com/careers

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.