UI Engineer; React JS

Responsibilities

• Build reusable, scalable React components following best practices.
• Implement React Hooks
  , state management (Redux / Context API), and component lifecycle methods.
• Integrate and consume RESTful APIs and GraphQL services.
• Use React ecosystem tools such as Webpack, Enzyme, Redux, and Flux
  .
• Work on application performance tuning, code splitting, and rendering optimizations
  .
• Follow front-end security best practices to ensure secure UI development.
• Develop and maintain unit tests using Jest, React Testing Library, or similar frameworks.
• Collaborate closely with designers, backend engineers, and product managers to deliver high-quality UI.
• Debug, troubleshoot, and resolve UI /UX issues across the application.
• Stay updated with the latest React updates, patterns, and industry best practices
  .
• Work with version control tools like Git/Git Hub for code management.

• 8–10 years of hands‑on experience in UI / Front-End Development
  .
• Advanced experience working with React.js
  , React Hooks, Redux, Flux, and component-based architecture.
• Experience with Webpack, Enzyme
  , and other front-end build/testing tools.
• Familiarity with REST APIs, GraphQL
  , and third‑party service integration.
• Awareness of front-end security practices (CSP, XSS prevention, etc.).
• Hands‑on experience writing unit tests and maintaining high test coverage.
• Excellent problem‑solving, communication, and collaboration skills.

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