Get new jobs for this search by email

Join to apply for the Senior Web Application Developer role at AMERICAN SYSTEMS 2 weeks ago Be among the first 25 applicants Join to apply for the Senior Web Application Developer role at AMERICAN SYSTEMS Overview AMERICAN SYSTEMS is an Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS! As a Senior Web Application Developer with AMERICAN SYSTEMS you will have the opportunity to do the following: Modernize and maintain web apps for scalability and performance Write modular code in React.js, Node.js, JavaScript, HTML, and CSS Refactor legacy code to reduce debt and improve readability Build dashboards, workflows, and visualizations for data-driven apps Optimize SQL queries and ensure database performance and security Define and deliver scalable solutions with stakeholders Work in Agile (Scrum, XP, Kanban) environments Conduct code reviews and mentor junior developers Provide actionable reports and analytics for informed decisions Maintain, modernize, and refactor web applications for improved scalability, performance, and maintainability. #hotjobs Qualifications Active TS clearance w/SCI eligibility Bachelor’s degree in Computer Science or related field ( or equivalent years of relevant experience ). 8-10 years of relevant experience Active Security+ CE certificate or ability to obtain Security+ CE certification within 90 days of hire Proficiency in React.js, Node.js, JavaScript/HTML/CSS, and SQL Experience developing and integrating RESTful APIs. Experience with Git or other version control systems. Ability to analyze, refactor, and improve legacy applications. Familiarity with Linux (RHEL) administration and update management. Experience working in Agile environments, including Scrum or XP methodologies. NOTE : U.S. Citizenship Required for the purposes of obtaining/holding a U.S. security clearance AMS1 Pay Transparency Statement AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $108,100.00/Yr. - USD $180,600.00/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance. EEO Statement EEO Race/Sex/Disability Status/Veteran Status Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Engineering and Information Technology Industries IT Services and IT Consulting Referrals increase your chances of interviewing at AMERICAN SYSTEMS by 2x Get notified about new Senior Web Application Developer jobs in Arlington, VA . Senior Software Development Engineer (Type 2) Bethesda, MD $137,890.00-$218,190.00 1 month ago Sterling, VA $130,355.00-$221,603.00 4 days ago Senior Web Designer/Developer with an Active TS-SCI Security Clearance Software Development Engineer, Senior Leader Experiences - Executive Talent Management Senior Project Manager, Software Engineer and AI Washington, DC $163,200.00-$269,300.00 1 week ago 290 Software Engineer 3 (Senior Java Analytic Developer) Fort Meade, MD $185,000.00-$207,000.00 5 days ago Senior CNO Software Engineer (TKO-SWE3-06.232025) Senior Manager, Software Engineer (Bank Tech) Senior Lead Software Engineer, Full Stack Senior Manager Software Engineer, People Leader (Bank Tech) Senior Staff Perception Software Engineer, Sensor Fusion (R3473) Washington DC-Baltimore Area $220,800.00-$331,200.00 1 week ago Sr. Cyber Software Engr-Python- Antenna Collections Ashburn, VA $110,000.00-$160,000.00 1 month ago Senior Ground Mission Software Engineer, Space Reston, VA $168,000.00-$252,000.00 2 weeks ago Senior Cyber Capability Developer (Reverse Engineer) Lorton, VA $126,100.00-$227,950.00 1 month ago Laurel, MD $90,000.00-$350,000.00 2 weeks ago Chantilly, VA $200,000.00-$250,000.00 1 month ago Senior CNO Middleware Developer (TS/SCI with Polygraph required) Annapolis Junction, MD $165,000.00-$235,000.00 1 year ago Maryland, United States $129,029.52-$187,530.72 2 weeks ago Herndon, VA $129,029.52-$187,530.72 1 week ago Senior Technical Writer/Developer (Salesforce Web Support) Washington, DC $110,000.00-$135,000.00 2 months ago Arlington, VA $137,000.00-$153,000.00 2 weeks ago Arlington, VA $115,000.00-$130,000.00 5 days ago Senior Software Developer I - Full Stack Washington, DC $115,000.00-$135,000.00 3 weeks ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr