React UI Engineer — Frontend Architect

Confiz; Seattle (WA); On-site; USD 90,000 - 130,000; Full time

Job summary

Confiz in Seattle is seeking an experienced React UI Developer to design, build, and maintain scalable interfaces for modern web apps. You will translate UI/UX designs into clean, efficient code while driving performance, accessibility, and cross-browser compatibility.

You will collaborate with product, design, and backend teams, mentor junior developers, and contribute to front-end architecture decisions. Experience with AWS/Kubernetes and Terraform is a plus.

Qualifications

• 2-3 years of front-end or UI development.
• 2+ years of hands-on experience with React.js.
• Strong proficiency in JavaScript (ES6+), HTML5, CSS3.
• Experience with modern React features: Hooks, Context, functional components.
• Hands-on experience with state management libraries such as Redux.
• Strong experience with RESTful APIs and integrating front-end with backend services.
• Solid understanding of responsive design and cross-browser compatibility.
• Strong problem-solving skills and attention to detail.

Responsibilities

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

Skills

React.js

JavaScript ES6+

HTML5/CSS3

Redux

REST APIs

UI/UX

Testing (unit/integration)

Leadership / mentoring

Tools

TypeScript

Next.js

Material UI

Ant Design

Job description

Confiz in Seattle is seeking an experienced React UI Developer to design, build, and maintain scalable interfaces for modern web apps. You will translate UI/UX designs into clean, efficient code while driving performance, accessibility, and cross-browser compatibility.

You will collaborate with product, design, and backend teams, mentor junior developers, and contribute to front-end architecture decisions. Experience with AWS/Kubernetes and Terraform is a plus.