Senior React.js Developer

Instantserve — United States · Posted ~1 day ago

Senior

Skills

React.js JavaScript JSX REST APIs RPC APIs Responsive web development Web application development Debugging Performance optimization Software architecture Agile development Data structures Algorithms Babel REST RPC DOM

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Summary ✨ AI‑Generated

Take a senior engineering role in modernizing large-scale enterprise web applications. You will design, develop, test, deploy, and maintain responsive interfaces using React and JavaScript, integrate backend APIs, improve existing applications, and contribute to architecture and design decisions. The position emphasizes clean, scalable code, security, performance, collaboration, and Agile delivery throughout the application lifecycle.

Highlights

Opportunity to work on a large-scale enterprise modernization initiative using modern web technologies. The role covers the full application lifecycle, offers hands-on work with React and APIs, and involves collaboration on architecture, security, performance, and Agile practices.

Description

We are seeking a Senior React JS Developer to design, develop, test, deploy, and support modern web applications for the DC Department of Motor Vehicles (DMV) modernization initiative. The developer will work across the development, QA, and production lifecycle and help modernize DMV enterprise applications using modern technologies while maintaining security, performance, and enterprise standards. Key Responsibilities Design, develop, test, deploy, and maintain applications using React JS.Develop responsive, user-friendly web interfaces based on wireframes and designs.Write clean, scalable JavaScript/React code and integrate REST/RPC APIs.Work with JSX, Babel, DOM manipulation, object models, data structures, and algorithms.Refactor, debug, optimize, and enhance existing applications.Collaborate with internal teams on software architecture and design.Support Agile development and application lifecycle activities.Ensure applications meet enterprise architecture, security, and compliance standards.Troubleshoot application and system issues and provide technical support.Monitor application performance and identify complex technical issues.Provide technical guidance to District agencies, stakeholders, and development teams.Identify and recommend development best practices and standards.Support integration with statewide systems and enterprise applications.Interact with senior business users and technical experts.May coordinate activities of other application developers.May serve as a technical Subject Matter Expert (SME).Required Technical Skills Strong React JS development experience.Advanced JavaScript knowledge.Experience with JSX and Babel.Strong understanding of DOM manipulation and event handling.Experience with REST/RPC APIs and application integration.Strong knowledge of object-oriented concepts, data structures, and algorithms.Experience developing responsive web applications.Experience with Agile methodologies.Experience with application testing, debugging, deployment, and support.Understanding of application architecture, security, and enterprise standards.Education Bachelor’s degree in Information Technology or a related field, or equivalent professional experience.