Full Stack Engineer

Full Stack EngineerArlington, VA 22202OverviewSalary Range $120,000.00 - $150,000.00 Salary Position Type Full Time Job Shift Day Education Level 4 Year Degree Travel Percentage None Category Professional ServicesDescriptionMayvin is seeking a Full Stack Engineer to support the Judicial Security Division (JSD) of the United States Marshals Service (USMS) by building, testing, deploying, and maintaining full stack applications that support investigative and analytic workflows.Must be a U.S. Citizen.Must have an active Top-Secret with SCI eligibility.Responsibilities:Develop and implement investigative/analytic tool, organizational processes, procedures, and policies for passive and interactive online activityParticipate in the entire application lifecycle, including design, coding, testing, implementation, deployment, support, and maintenanceWork front-end and back-end coding languages, development frameworks, and third-party librariesIdentify Internet-managed Attribution Systems, which enable anonymous investigative activities onlineIdentify occupational standards, skill sets, investigative tools, and capabilities for open source/social media exploitationQualificationsRequired Qualifications:Bachelor's degree in computer scienceExperience developing web applications using front-end technologies such as JavaScript frameworks (Angular, React) and back-end technologies such as Node.js and PythonExperience with the full software development lifecycle (SDLC) and proficiency in Microsoft Power Platform, SharePoint Online, and Azure DevOpsExperienced with relational and NoSQL databases (MySQL, MongoDB), web server technologies (Apache), and UI/UX design principlesPreferred Qualifications:Prior experience supporting Law Enforcement or intelligence communitiesAbout Mavyin:Mayvin is more than a workplace - it's a community built on innovation, ingenuity, and impact. Enjoy outstanding benefits and amenities, a truly supportive work environment, and continuous opportunities for professional growth. Your contributions are recognized and rewarded, and—most importantly—your voice matters. Here, you're treated with the dignity and respect you deserve.Mayvin is proud to support the national security mission of the United States through exceptional service to the Departments of Defense, Homeland Security, and Justice. Join us in solving the nation's toughest challenges—because at Mayvin, #PeopleMatter and it's time to #ReimagineYourMission.