Frontend Developer

Ethereum Technologies; Chicago (IL); Presencial; USD 90.000 - 140.000; Jornada completa

Descripción de la vacante

Ethereum Technologies in Chicago is seeking a frontend developer to build and maintain scalable UI components and SPAs using React.js, Angular, and TypeScript. You will translate UI/UX designs into responsive interfaces and collaborate with backend teams to deliver feature-rich experiences.

You will implement state management with Redux, ensure accessibility and performance, and contribute to code reviews, testing with Jest and RTL, and Agile/Scrum rituals.

Formación

• Experience building reusable UI components and frontend modules.
• Experience with SPAs using React.js and Angular.
• Translating UI/UX designs and wireframes into responsive web interfaces.
• Experience with state management using Redux/Context API.
• Familiarity with RESTful APIs and frontend-backend integration.
• Experience with frontend testing using Jest and RTL.
• Agile/Scrum methodologies and collaborative development.

Responsabilidades

• Develop reusable UI components and frontend modules using React.js, Angular, and TypeScript.
• Implement interactive web pages and dynamic user interfaces to enhance UX and performance.
• Translate UI/UX designs into high-quality, responsive web interfaces.
• Develop SPAs and integrate with backend services via RESTful APIs and JSON.
• Manage application state using Redux, Context API, and other state managers.
• Implement responsive designs across devices and utilize CSS frameworks.

Conocimientos

React.js

Angular

TypeScript

Redux

UI components

RESTful APIs

Jest

Testing Library

Git

CSS frameworks

Herramientas

GitHub

Jest

RTL

Jasmine

Descripción del empleo

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

Roles and Responsibilities:

Developed reusable UI components and frontend modules using React.js, Angular, and TypeScript.

Implemented interactive web pages and dynamic user interfaces to enhance user experience and application performance.

Translated UI/UX designs and wireframes into high-quality, responsive web interfaces.

Developed single-page applications (SPAs) using React.js and Angular.

Integrated frontend applications with backend services using RESTful APIs and JSON.

Managed application state using Redux, Context API, and other state management libraries.

Implemented responsive web designs to ensure compatibility across desktops, tablets, and mobile devices.

Used CSS frameworks such as Bootstrap, Material UI, and Tailwind CSS to build consistent user interfaces.

Optimized frontend performance by reducing page load times, minimizing bundle sizes, and implementing lazy loading.

Implemented form validations, error handling, authentication, and authorization mechanisms.

Collaborated with UI/UX designers and backend developers to deliver seamless application functionality.

Used Git and GitHub for version control, branching strategies, and collaborative development.

Participated in code reviews, unit testing, integration testing, and defect resolution.

Worked with Jest, React Testing Library, and Jasmine for frontend application testing.

Followed Agile/Scrum methodologies and participated in sprint planning, daily stand-ups, and project reviews.

Supported application deployment and maintenance across development, testing, and production environments.

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.