Senior React UI Developer

Confiz•Seattle, WA

15h

About The Position

We are seeking an experienced Senior React UI Developer to design, build, and maintain high-quality, scalable user interfaces for modern web applications. The ideal candidate brings deep expertise in React, strong UI/UX sensibilities, and a proven track record of delivering performant, maintainable front-end solutions in complex, large-scale environments. This role requires close collaboration with cross-functional teams and the ability to lead front-end initiatives while upholding best engineering practices.

Requirements

Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent professional experience.
8–10 years of experience in front-end or UI development.
5+ years of hands-on experience with React.js.
Strong proficiency in JavaScript (ES6+), HTML5, and CSS3.
In-depth experience with modern React features including Hooks, Context API, and functional components.
Hands-on experience with state management libraries such as Redux.
Experience integrating front-end applications with RESTful APIs and backend services.
Solid understanding of responsive design principles and cross-browser compatibility.
Strong analytical and problem-solving skills with exceptional attention to detail.

Responsibilities

Design and develop responsive, high-performance web applications using React.js.
Build and maintain reusable components and front-end libraries to ensure scalability and consistency.
Translate UI/UX designs and business requirements into clean, efficient, and maintainable code.
Optimize applications for performance, accessibility, and cross-browser compatibility.
Collaborate closely with product managers, designers, and backend engineers to deliver end-to-end solutions.
Lead front-end architecture decisions and contribute to technical design discussions.
Mentor junior developers and conduct code reviews to maintain high engineering standards.
Enforce best practices in state management, component design, and performance optimization.
Write and maintain unit and integration tests to ensure UI reliability and quality.
Participate in Agile ceremonies, including sprint planning, estimation, and retrospectives.