Front End Developer - Senior

Full-Visbility; Winchester (VA); Hybrid; USD 120,000 - 165,000; Full time

Job summary

Full Visibility LLC is seeking a Senior Web Application Developer located in Winchester, VA. This hybrid role requires an active Top Secret/SCI eligibility and CI Polygraph readiness after start.

You will design, test, and develop web-based software, translating UI/UX designs into robust interfaces while documenting all aspects of the application and environment. The candidate will work across technologies including Angular/Typescript, AWS, Python, Java, and C#, ensuring maintainable code and

Qualifications

• Minimum of eight(8+) years of Web Application Engineering experience.
• Experience translating UI/UX design wireframes.
• Experience with Angular/Typescript and UI frameworks.
• Experience in AWS, Python, Java or C# within the past 6 years.

Responsibilities

• Design, test, and develop well designed web-based software using best practices.
• Translate UI/UX wireframes into functional interfaces and document work.
• Recommend software upgrades and maintain systems across lifecycle.

Skills

Web app engineering

Angular/Typescript

UI frameworks

AWS cloud services

Python

Java

C#

Job description

Winchester, United States | Posted on 07/24/2026

Full Visibility LLC is a federally certified Small Business that delivers innovative technical solutions to address the nation’s most critical and sensitive missions. Founded in 2006, our extensive technical capabilities and expertise support federal and state government agencies with over 100 cleared technical experts specializing in mission solution areas of Digital, AI & Analytics, Cyber, and Engineering.

With offices in the National Capital Region, Quantico, VA, and Huntsville, AL -- we deliver critical technical solutions to various federal government agencies and departments.

Job Description

FullVisibilityisseeking aWeb Application Developer Senior -levellocatedin Winchester, VA and is a Hybrid Role. Candidate must possessan active Top Secret/SCI Eligibility C learance. Individuals selected for this position will be subject to Counterintelligence (CI) Polygraph examinations based on their assignment after their start date and must be able to obtain andmaintainany required CI Polygraph eligibility throughout the duration of their employment.

The Web Application Developer Senior wil l be r esponsible for designing, testing, and developing well designed web based software coding that is testable, and efficient by using best software development practices to meet user’s needs; recommending software upgrades for current and future systems; as well as translating the User Interface (UI)/User Experience (UX) design wireframes, ensuring software continues to function normally through software maintenance and testing; and documenting every aspect of the application, service or environment as a reference for future maintenance and upgrades.

Requirements

• Minimum of eight(8+) years ofWeb Application Engineeringexperience.
  
• Understanding of translating UI/UX design wireframes.
  
• experience with Angular/Typescript and UI frameworks
  
• Minimum of 2years' experiencein the past 6 years in one of the following fields ofexpertise:
  
• AWS Cloud-based Services
  
• Python
  
• Java
  
• C#
  

This range is based on our market pay structures. However, individual salaries aredeterminedby a variety of factors including, but not limited to: local market conditions, and candidate qualifications, such as skills, education, and experience. A reasonable salary range for this position is $120 -165 k . #CJ

About Full Visibility

Full Visibility LLC is a federally certified Small Business that delivers innovative technical solutions to address the nation’s most critical and sensitive missions. Founded in 2006, our extensive technical capabilities andexpertisesupport federal and state government agencies with over 100 cleared technical experts specializing in mission solution areas of Digital, AI & Analytics, Cyber, and Engineering.

Our technologists are recognized as industry leaders withdemonstratedexpertisein innovating and transforming our client environments in support of national security and law enforcement. Headquartered in Tysons, VA – with locations in Chantilly, VA, Quantico, VA, and Huntsville, AL – we have specialized experience supporting sensitive missions and an understanding of the niche skillsets required to overcome challenges in these environments. Our clientsbenefitfrom an enthusiastic and reliable team of talent with high employee morale and retention based on our FULL EMPLOYEE approach where each employee’s professional and personal well-being is considered. Our focus on employee development, success, and morale isdemonstratedby our consecutive top ranking as the Best Place to Work by the Washington Business Journal as a thirteen-time honoree. Full Visibility has also been included on the Inc. 5000 Fastest-Growing Private Companies in America list eight times since 2014.

Full Visibility currently has over 20 active contracts with 100 billable staff supporting 21 clients in the Intelligence and Law Enforcement communities. As part of our commitment to partnerships, we are teammates with 13 prime contract holders. Additionally, Full Visibility holds contracts on several vehicles, such as GSA Multiple Award Schedule (MAS), DISA SETI, DIA SITE III, HCaTS , as well as several classified vehicles. Our portfolio includes experience serving the Department of Defense, Department of Homeland Security, Department of Justice, and Department of Veterans Affairs, as well as commercial clients.

Full Visibility LLC is an Equal Opportunity Employer and does not discriminate on the basis of race or ethnicity, religion, sex, national origin, age, veteran status, disability or genetic information or any other reason prohibited by law in employment.