> Markdown version of [/jobs/ext/1323850-senior-web-developer](https://www.wearedevelopers.com/jobs/ext/1323850-senior-web-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Web Developer - **Company:** One Federal Solution - **Location:** Arlington, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), .NET Framework, Agile Methodology, Artificial Intelligence, Amazon Web Services, Bootstrap (Software), Cascading Style Sheets (CSS), Code Review, Data Structures, Relational Databases, Web Development, Oracle Databases, Scrum Methodology, Software Engineering, SQL Databases, Web Applications, Web Application Frameworks, ReactJS, Software Application Programming, Git, Vue.js, AngularJS, Git Flow, Tools for Reporting, Front End Software Development, Web Api - **Published:** July 17, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9038406/senior-web-developer ## About the Role Bachelor's Degree required. Minimum of twelve (12) years of progressive experience supporting software development or web application development projects. Experience as a Full Stack Web Developer. Strong experience developing applications using Microsoft .NET technologies, frameworks, libraries, and design best practices. Experience with frontend frameworks such as Vue.js, React, or Angular. Vue.js experience preferred. Experience with JavaScript, HTML, CSS, and Bootstrap or similar CSS frameworks. Experience designing and supporting SQL databases and relational data models. Experience working with Git and common code branching strategies. Ability to work independently and communicate effectively with both technical and non-technical stakeholders., Experience supporting financial management systems or financial business processes. Experience supporting CGI Momentum or other commercial off-the-shelf (COTS) financial systems. Experience with Oracle PL/SQL development or Oracle Database Administration. Experience using AI-assisted development tools. AWS certifications including Developer, Solutions Architect, or AI certifications preferred. ## Description One Federal Solution (OFS) seeks a Senior Web Developer (Subject Matter Expert - Senior) to support our Federal Government client within the Drug Enforcement Administration (DEA) Office of Finance. As a Senior Web Developer, you will support the design, development, enhancement, and maintenance of financial management web applications and reporting tools supporting DEA financial operations and business processes., Design, develop, test, deploy, and maintain full-stack web applications supporting financial management business processes and controls. Participate in all phases of the software development lifecycle including requirements gathering, design, implementation, operations, and maintenance. Develop and maintain Single Page Applications (SPA) utilizing modern frontend frameworks. Design and develop middle-tier APIs and web services. Design, develop, and maintain relational database models and data structures. Collaborate with business stakeholders and technical teams to translate requirements into technical solutions. Support application enhancements, maintenance activities, and production issues. Participate in agile development activities including sprint planning, backlog refinement, and code reviews. Develop technical documentation and support deployment activities. Work independently while supporting multiple projects and priorities. ## Related Videos - [Web development best practices in 2021](https://www.wearedevelopers.com/videos/280-web-development-best-practices-in-2021) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Lessons learned from building a thriving Vue.js SaaS application](https://www.wearedevelopers.com/videos/1666-lessons-learned-from-building-a-thriving-vue-js-saas-application) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. Grogg](https://www.wearedevelopers.com/videos/1806-nolojs-avoiding-javascript-cruft-with-html-and-css-aaron-t-grogg) ## Related Articles - [What is a web developer?](https://www.wearedevelopers.com/magazine/18-what-is-a-web-developer) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025)