Front-End Developer/ 508 Compliance Specialist
Confirmed on the employer's own hiring board on Nov 11, 2026. First seen by Alion on Nov 11, 2026.
Description
Markon is seeking an experienced Front-End Developer / Section 508 Compliance Specialist to support an a customer in the Annapolis Junction, MD area. This role will focus on developing, modernizing, and maintaining mission-critical intelligence reporting and dissemination applications, with an emphasis on Section 508 accessibility compliance. The position will support front-end enhancements, user interface redevelopment, and integration efforts to improve application accessibility, usability, and performance.
Responsibilities
Develop, maintain, and enhance front-end applications supporting intelligence reporting and dissemination systems.
Modernize existing user interfaces to meet Section 508 accessibility requirements and improve user experience.
Design and develop accessible, responsive web interfaces using HTML, CSS, JavaScript, and Angular.
Support application development and sustainment using Java, GWT, PrimeFaces, and Quarkus.
Evaluate existing applications for accessibility issues and implement solutions to improve compliance.
Develop and test accessible user interface components, including navigation, forms, and interactive elements.
Troubleshoot application interfaces, integration issues, and performance concerns across interconnected systems.
Collaborate with software engineers, testers, and stakeholders to implement accessibility improvements and new application features.
Support application testing, debugging, documentation, and ongoing maintenance.
Participate in Agile development activities, including sprint planning, code reviews, and technical discussions.
Qualifications
Active TS/SCI clearance with Polygraph required.
Experience developing and maintaining front-end web applications.
Proficiency with Java 8 or higher.
Advanced experience with HTML, CSS, and JavaScript.
Experience with GWT, Angular, PrimeFaces, and Quarkus.
Experience maintaining, integrating, and troubleshooting interfaces between multiple applications.
Understanding of Section 508 accessibility requirements and accessible web development practices.
Experience troubleshooting application functionality, user interface issues, and software integration challenges.
Strong analytical, problem-solving, and communication skills.
Desired Qualifications
Experience using screen readers and accessibility testing tools.
Knowledge of Section 508 standards and WAI-ARIA accessibility guidelines.
Experience with Oracle databases.
Familiarity with Amazon Web Services (AWS).
Experience supporting Intelligence Community reporting and dissemination tools.
Knowledge of Intelligence Community classification policies and information handling requirements.
Experience working in an Agile development environment using Jira and Confluence.
Experience modernizing legacy applications and developing accessible user interfaces.
Work Arrangement: On-site position; no telework available.
Salary Range
USD $160,000.00 - USD $185,000.00 /Yr.The Markon pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.Overview
Eager to join a team where your skills are valued, your growth is nurtured, and your impact is profound? Look no further than Markon, a premier consulting firm deeply dedicated to advancing our nation's most critical missions.
At Markon, we don't just offer jobs - we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but celebrated. As a perennial Washington Post Top Workplace, we prioritize the well-being and success of our team members, ensuring they can bring their best selves to work.
Headquartered in Falls Church, Virginia, Markon has garnered national recognition for our unwavering dedication to excellence in serving the intelligence community, as well as federal civilian and defense agencies. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.
Markon values people and the tremendous impact each individual can make - which is why we’re consistently recognized as one of the best places to work in federal government consulting. Here, you can help solve the nation’s most important challenges, surrounded by colleagues who help you grow, advance, and succeed. We are deeply dedicated to what matters - bringing out the best in each other to advance our clients’ missions.Join us and make a meaningful impact.
Markon is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, national origin, age, protected veteran status, or disability status. This job posting will remain open until the position is filled.
Benefits Offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Training and Tuition Assistance, Paid Time Off, and Holidays.