> Markdown version of [/jobs/ext/4165813-web-application-developer](https://www.wearedevelopers.com/jobs/ext/4165813-web-application-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). --- # Web Application Developer - **Company:** Phoenix Vanguard, Inc. - **Location:** Miami, FL, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Big Data, Collaborative Software, Computer Engineering, Continuous Integration, Data Files, Web Development, Design of User Interfaces, Human-Computer Interaction, Open Source Technology, Performance Tuning, Ui Patterns, Software Engineering, TypeScript, Web Applications, ReactJS, Backend, Material UI, Information Technology, Build Tools, Front End Software Development - **Published:** October 26, 2026 - **Apply:** https://www.careerbuilder.com/job-details/web-application-developer-miami-fl--ae46f09d-b095-48db-ad61-2e3eb002e19b ## About the Role Web Programming, Web Programming, Government, Software Development, User Interface/Experience (UI/UX), Problem Solving Skills, Data Sets, Resource Management, Usability Engineering, Operations, * Tech Stack: TypeScript and React, with a component library for shared UI patterns, plus a mix of open-source and internal tooling. Standard CI/CD tooling for build, test, and deploy. * Has built complex frontend applications - data-intensive UIs, real-time collaborative tools, mapping/visualization, or systems where multiple apps interact * Has owned or shipped projects/features independently through the full product lifecycle (design ship maintain) * BS in Computer Science or Computer Engineering * Eligible to obtain a security clearance * 2-5 years of frontend or full-stack software engineering experience with strong CS fundamentals * Experience at a Big Tech company or a high-bar startup * Strong proficiency in React, TypeScript, and JavaScript * Based in or willing to relocate to Washington, D.C. Preferred Qualifications: * Experience or strong interest in defense or government technology * Founder experience, significant open-source contributions, or strong extracurricular involvement (campus clubs, hackathons, side projects) ## Description * Our client, a software development firm, is looking for a Web Application Developer to help build applications that support mission-critical government and defense operations. * This is a frontend-focused role for someone who wants to solve complex problems and build tools that enable data-driven decision-making for public sector clients. * You'll work on products that integrate and visualize large datasets, powering workflows like common operating pictures, alert-triaging inboxes, and resource allocation planning tools. * These are systems relied on daily for real operations, so the bar for quality, usability, and reliability is high. * Applicants must be authorized to work in the United States on a full-time basis without the need for current or future visa sponsorship, * Architect and build interfaces that make sophisticated, data-intensive workflows approachable including for non-technical users * Work directly with users to understand their needs and identify product gaps * Collaborate with teammates on UX for intricate, high-stakes workflows * Scope technical solutions and find incremental paths to shipping new features * Own APIs and schemas powering your frontend work, partnering closely with backend engineers * Get hands-on with a range of technical challenges: mapping/visualization, real-time collaboration, performance optimization, and complex state management