Web Application Developer, Senior
$155k - $175kAmerican Systems
OverviewAMERICAN SYSTEMS, a 100% employee-owned federal government contractor, is seeking a Senior Web Applications Developer to support mission-critical initiatives at Joint Base Anacostia-Bolling (JBAB), Washington, DC. In this role, you will lead the modernization, enhancement, and maintenance of secure web applications that support data-driven decision-making and operational effectiveness. The ideal candidate brings deep experience in React.js, Node.js, JavaScript, HTML, CSS, SQL, and RESTful API integration, along with the ability to refactor legacy systems, improve application scalability and performance, and collaborate with stakeholders in Agile development environments. THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS!ResponsibilitiesAs 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 performanceWrite modular code in React.js, Node.js, JavaScript, HTML, and CSSRefactor legacy code to reduce debt and improve readabilityBuild dashboards, workflows, and visualizations for data-driven appsOptimize SQL queries and ensure database performance and securityDefine and deliver scalable solutions with stakeholdersWork in Agile (Scrum, XP, Kanban) environmentsConduct code reviews and mentor junior developersProvide actionable reports and analytics for informed decisionsMaintain, modernize, and refactor web applications for improved scalability, performance, and maintainability.#hotjobsQualificationsActive TS clearance w/SCI eligibility REQUIREDBachelor’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 hireProficiency in React.js, Node.js, JavaScript/HTML/CSS, and SQLExperience 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 clearanceTHIS POSITION INCLUDES A $5,000 SIGN-ON BONUS!AMS1Pay Transparency StatementAMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $155,000.00/Yr. - USD $175,000/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 StatementEEO Race/Sex/Disability Status/Veteran StatusJob SummaryCategory: IT / Cyber Security / Network SystemsPosition Type: Full-TimeRemote: NoClearance Required: Top Secret/SCI
$116k - $122k
Responsibilities Technica Corporation is seeking a Web Application Developer, Senior who will design, develop, and maintain advanced solutions using Power Apps (Canvas and Model-Driven), Power Automate, Dataverse, and Power BI. Lead architectural design sessions and...SeniorWork experience placementRemote work$115k
...talent locally available. Key Responsibilities: -Design, develop, and maintain advanced solutions using Power Apps (Canvas and... ...C# plugins for extending business logic in Power Apps applications -Solid understanding of solution layering, ALM, and managed/...SeniorFlexible hours$112.13k - $186.88k
...partnered with educators and institutions to develop learning integrity solutions that... ...grading and feedback functionality. The Senior Software Engineer - Backend Services will... ...integrate backend services with frontend applications.Implement and maintain CI/CD pipelines with...SeniorRemote workHome office- ...deliver stronger results for our clients. As a Senior Drupal Front-End Developer you will use your exceptional web development skills and experiences to architect... ...of responsive Drupal websites and web applications. You’ll work on innovative and inspired work across...SeniorFull timeVisa sponsorship
$92.3k - $166.85k
Leidos is seeking a Senior SharePoint System Administrator to support a large enterprise IT contract for the DOD. The SharePoint... ...distinguish isolated user problems from enterprise-wide application/system problems. Develop solutions for complex problems, update Knowledge...SeniorFull timeContract workRemote work$165k
...program managers represent some of the best talent locally available. The Senior Full Stack Developer is responsible for the design, development, testing, and management of application development projects in support of IT infrastructure. This includes...SeniorFull timeFlexible hours$119.7k - $199.3k
...Why This Role MattersThe Washington Post is seeking a Senior Software Engineer with expertise in personalization,... ...the MissionDesign, build, and maintain full-stack web applications using Python and AWS services.Develop and optimize database schemas and queries, primarily...SeniorFull timePart timeFlexible hours- ...build a diverse workforce. All qualified applicants will receive consideration for... ...professional, organized, and adaptable Senior SharePoint Developer including Power Platforms (PowerApps,... ...within Azure. This team develops in-house Web applications and customizations to...SeniorFull timeContract workFor contractorsWork at office
- ...Senior Web Developer This is a future/general interest posting. Axiom Consultants, Inc, is seeking an experienced Senior Web Developer... ...and outreach events in coordination with the COR and/or applicable TPOC(s) (reference TPOC paragraph) and external partners...Senior
$95.55k - $195.25k
...Recruiting for this role ends on May 31, 2027. What You’ll Do As a Deloitte Tax Full Stack Engineer, Senior you’ll design, develop, and deploy cutting-edge web applications and features that solve key business challenges. You’ll work hands-on across the entire technology...SeniorWork at officeLocal areaVisa sponsorshipShift work2 days per week3 days per week- Senior Full Stack Developer Required Skills: Java/J2EE Spring Boot Rest/Restful API Microservices React JS AWS/AZURE (Cloud exp required) Basic Qualification: Yes Drug Screen: Yes Candidate must be your W2 Employee: No Interview Process:Senior
$130k - $170k
...We are seeking a Senior Full-Stack Developer with a strong background in building and architecting complex... ..., you’ll design and deliver modern applications, APIs, and services that process... ...building and maintaining enterprise-grade web applications using modern languages...SeniorFull timeCasual work- ...NetServices (NSI) is seeking a Senior Full Stack Developer to design, develop, test, and manage application development projects in support of IT infrastructure. The role involves integrating third-party components, adding new capabilities, and automating operations under...Senior
$137k - $200.2k
...MAXAR TECHNOLOGIES, INC. is seeking an experienced API/Java/Python Developer to join its team in Washington, DC. The role focuses on developing high-performance, API-driven services, ensuring secure coding practices, and collaborating with multidisciplinary teams to implement...Senior- ...Leidos is seeking a Senior SharePoint System Administrator in Alexandria, Virginia. This position supports a large enterprise IT contract for the DOD, focusing on the deployment, operation, and maintenance of SharePoint services along with permissions management and troubleshooting...SeniorContract work
$125k
...managers represent some of the best talent locally available. As a Front-End Developer , you will contribute to the design, development, and maintenance of modern, user-focused web applications that support mission operations. You will build responsive and high-...SeniorFull timeFlexible hours- ...BackEnd Software Engineer (2+ years - Senior Level) Locations: Arlington, VA, Reston... ...us to work on cloud-native full-stack web applications, advanced data analysis tools, and... ...customers. Our engineer-led software teams develop technical solutions on an aggressive...SeniorFull timeFor subcontractor2 days per week3 days per week
- ...Leidos in the United States is seeking a Senior SharePoint System Administrator to support a large enterprise IT contract with the DoD... ...implement, troubleshoot, and maintain SharePoint environments, develop solutions for complex problems, and oversee SharePoint projects...SeniorContract work
$185k - $225k
...A leading financial technology company in Austin is looking for a full-stack developer. This role requires 5+ years of software engineering experience, with expertise in JavaScript, Node.js, and React desired. You'll work on building scalable APIs and user experiences...Senior$145k - $165k
...How You'll Make an Impact: As a Senior Fullstack Engineer on the Distribution Team, you'll be instrumental in developing and enhancing the products that connect Cloudbeds... ...You Up for Success: ~5+ years of PHP web application software engineering experience ~5+...SeniorFull timeWork at officeLocal areaRemote workWork from homeWorldwideHome officeWeekend work- ...International Executive Service Corps seeks a talented Senior Full Stack Developer for a remote federal program opportunity. This role involves designing and supporting secure, high-performing web applications with modern technologies. The ideal candidate will collaborate...SeniorRemote work
- ...One Federal Solution (OFS) seeks a Senior Web Developer (Subject Matter Expert - Senior) to support a potential Federal Government client.... ..., enhancement, and maintenance of financial management web applications and reporting tools supporting financial operations and business...Senior
- ...industry player is on the lookout for a talented Power Platform Developer to enhance business productivity through innovative solutions. This role will involve designing and implementing custom applications using Microsoft Power Platform tools, including Power Apps,...Senior
- ...Job Title Responsibilities: Knowledge in developing responsive web applications with JavaScript and related frameworks (React, Vue, etc.). Knowledge of server-side programming languages and frameworks such as Node.js, Python and working with open-source libraries...Senior
- ...Senior Web Developer HarmonyTech is currently looking for a talented and self-motivated Senior Web Developer specializing in Microsoft.... ...environment, translating business requirements into software applications and modules, designing and implementing improvements to the...SeniorContract workTemporary workLocal area
- ...designed for both commercial and government applications. Our engineers and space scientists are... ....Position OverviewWe are seeking a Senior Full Stack AI Application Engineer (Frontend... ...) with to design and build sophisticated web applications that surface advanced AI capabilities...SeniorWork at officeRemote work
$145k
...Maximus is seeking a Senior Back-End Developer to join our team! The Senior Back-End Developer provides... ...experience performing back-end web design and development. ~ Demonstrated... ...years of experience testing web-based applications. ~5 years of experience leading...SeniorContract workRemote work$131k - $145k
Responsibilities Technica Corporation is seeking a Senior Full Stack Software Engineer who will support... ...experience delivering large-scale enterprise applications from concept through deployment.Key Responsibilities:Design, develop, implement, test, and maintain front-end and...SeniorWork experience placementRemote work- ...Senior Full Stack Developer, Washington DC We are seeking a Senior Full Stack Developer to work on... ...recent track record of delivering modern web solutions using Agile methods. –... ...REST, and Entity Framework. – Cloud application services using Azure, AWS, or Google....SeniorLocal area
- ...for both commercial and government applications. Our engineers and space... ...Position OverviewWe are seeking a Senior Full‑Stack AI Application Engineer... ...integration across mobile, spatial, and web platforms.Key ResponsibilitiesDesign, develop, and maintain native iOS (Swift/...SeniorWork at officeLocal area
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