React.js Frontend Developer

Ethereum Technologies; New York (NY); On-site; USD 90,000 - 140,000; Full time

Job summary

Ethereum Technologies is seeking a talented React.js Frontend Developer to build scalable, responsive web applications and deliver exceptional user experiences.

You will develop interactive interfaces, implement reusable components, integrate REST APIs, and collaborate with design and backend teams to ensure high performance and maintainable code. Proficiency with TypeScript and UI libraries like Material UI or Tailwind, plus testing tools, is essential.

Qualifications

• Experience building UIs with React.js and modern frontend tooling.
• Experience with state management using Redux or Context API.
• Familiarity with REST API integration and responsive design.
• Knowledge of frontend testing frameworks (Jest, RTL, or Cypress).

Responsibilities

• Develop responsive web applications using React.js.
• Build reusable UI components and frontend libraries.
• Integrate REST APIs and backend services.
• Manage application state with Redux or Context API.
• Optimize performance and improve page loading speed.
• Collaborate with UI/UX designers and backend developers.
• Troubleshoot frontend issues and maintain quality.
• Participate in code reviews and frontend improvements.

Skills

TypeScript

HTML5

CSS3

Responsive Web Design

REST API Integration

Git

Testing with Jest/RTL/Cypress

UI state management (Redux/Context)

Tools

Redux

Context API

Material UI/Bootstrap/Tailwind

Jest/RTL/Cypress

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

We are seeking a talented React.js Frontend Developer with strong expertise in building responsive, scalable, and user-friendly web applications. The candidate will be responsible for developing interactive user interfaces and integrating frontend applications with backend services.

Key Responsibilities:

• Develop responsive web applications using React.js.
• Build reusable UI components and frontend libraries.
• Integrate REST APIs and backend services.
• Manage application state using Redux, Context API, or similar tools.
• Optimize application performance and improve page loading speed.
• Collaborate with UI/UX designers and backend developers.
• Troubleshoot frontend issues and maintain application quality.
• Participate in code reviews and frontend development improvements.

Required Skills:

• TypeScript.
• HTML5 and CSS3.
• Redux and Context API.
• REST API Integration.
• Responsive Web Design.
• Material UI, Bootstrap, or Tailwind CSS.
• Git and Version Control.
• Jest, React Testing Library, or Cypress.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.