Lead React UI Engineer for Enterprise Web Apps

Ethereum Technologies; Chicago (IL); On-site; USD 150,000 - 210,000; Full time

Job summary

Ethereum Technologies is seeking an senior front-end engineer in Chicago to design, develop, and maintain enterprise-scale web applications using React.js. You will lead front-end architecture, build scalable UI components, and collaborate with product, UX, and backend teams.

You will ensure cross-browser compatibility, accessibility, and high performance while contributing to CI/CD, testing, and deployment processes. Strong communication and problem-solving skills are essential.

Qualifications

• Minimum 8+ years in front-end development.
• 5+ years with React.js.
• Strong expertise in JavaScript (ES6+), TypeScript, HTML5, and CSS3.
• Experience with Redux, Context API, and state management.
• Experience with REST APIs and Git.

Responsibilities

• Design, develop, and maintain enterprise-scale web applications using React.js.
• Lead front-end technical design and architecture discussions.
• Build reusable, scalable, and responsive UI components.
• Collaborate with product owners, UX designers, architects, and backend teams.
• Integrate RESTful APIs and third-party services.
• Optimize performance, accessibility, and user experience.
• Conduct code reviews and promote front-end best practices.
• Troubleshoot and resolve complex UI issues.
• Contribute to CI/CD, testing, and deployment processes.

Skills

Front-end development

React.js

JavaScript/TypeScript/HTML5/CSS3

REST APIs/Git/Agile

Responsive design

Tools

Redux

Context API

Jest

React Testing Library

Cypress

Git

Job description

Ethereum Technologies is seeking an senior front-end engineer in Chicago to design, develop, and maintain enterprise-scale web applications using React.js. You will lead front-end architecture, build scalable UI components, and collaborate with product, UX, and backend teams.

You will ensure cross-browser compatibility, accessibility, and high performance while contributing to CI/CD, testing, and deployment processes. Strong communication and problem-solving skills are essential.