Ethereum Technologies LLC is hiring: Senior UI Developer (React) in Chicago

Responsibilities

• Lead the migration from Angular to React, ensuring best practices and maintainable patterns.
• Design and implement a robust UI architecture for a greenfield application.
• Build the entire UI within tight timelines (less than one month).
• Collaborate closely with backend developers working on Node.js services.
• Implement microfrontend architecture for modular and scalable UI components.
• Develop SDKs (primarily for Node.js integration) to support UI functionality.
• Participate in code reviews, provide technical guidance, and ensure high-quality deliverables.
• Work onsite during the first week and maintain a hybrid schedule thereafter.

Company Information

ETHEREUM TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. ETHEREUM TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will ETHEREUM TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract.