Senior Frontend Engineer — Build High-Impact UI & SPA

Entefy; United States; Remote; USD 140,000 - 180,000; Full time

Job summary

Entefy is seeking an experienced frontend engineer to join a hands-on team of software and ML engineers and designers. You will build features across web application layers and contribute to a beautiful, powerful user interface.

You should have 6+ years of experience with web apps, strong ReactJS, HTML5, CSS3 skills, and expertise in Redux, AJAX/REST APIs, and modern JavaScript patterns. Full stack experience and advanced data visualization are a plus.

Qualifications

• 6+ years’ experience building web applications, not brochure-ware.
• Demonstrable experience building JavaScript SPAs.
• Proficiency in ReactJS, HTML5, CSS3, OO JavaScript, and jQuery.
• Good understanding of CSS preprocessors (LESS/SASS) and responsive design.
• Expertise in Redux for activity state management.
• Strong experience with asynchronous requests, AJAX, RESTful services/APIs.
• Knowledge of cross-browser compatibility issues and workarounds.
• Proficiency with Git and version control.
• Solid understanding of databases and data structures.
• Excellent verbal and written communication skills.

Responsibilities

• Hands-on role building features across all layers of web applications.
• Collaborate with software engineers, ML engineers, and designers to deliver new functionality.
• Develop and maintain reusable UI components and frontend architecture.
• Ensure performance, accessibility, and cross‑browser compatibility of web apps.

Skills

JavaScript SPA development

ReactJS

HTML5

CSS3

OO JavaScript

jQuery

Redux

CSS preprocessors (LESS/SASS)

AJAX/REST APIs

Git/version control

Cross-browser compatibility

Data structures

Communication

Full stack (plus)”

Job description

Entefy is seeking an experienced frontend engineer to join a hands-on team of software and ML engineers and designers. You will build features across web application layers and contribute to a beautiful, powerful user interface.

You should have 6+ years of experience with web apps, strong ReactJS, HTML5, CSS3 skills, and expertise in Redux, AJAX/REST APIs, and modern JavaScript patterns. Full stack experience and advanced data visualization are a plus.