UI Engineer

Longfinch Technologies

Sunnyvale, CA

Posted On: Nov 06, 2025

Posted On: Nov 06, 2025

Job Overview

Job Type

Full-time

Experience

8 - 10 Years

Salary

Depends on Experience

Work Arrangement

On-Site

Travel Requirement

0%

Required Skills

  • JavaScript / React / Node.js
Job Description

We are seeking a highly skilled UI Engineer / JavaScript Engineer with strong experience in front-end and back-end web development using React.js, Node.js, and modern JavaScript frameworks. The ideal candidate will have a passion for building responsive, user-friendly applications, a solid understanding of UX design principles, and experience developing 2D visualizations. This role requires a self-driven individual with strong technical, communication, and problem-solving skills who can take ownership of end-to-end deliverables.


Must Have Technical / Functional Skills

  • Strong coding proficiency in JavaScript, HTML5, and CSS3.
  • Hands-on experience applying UX/UI design principles to enhance user experience.
  • Familiarity with 2D visualization and related tools/libraries (e.g., D3.js).
  • Excellent understanding of web development best practices, responsive design, and cross-browser compatibility.

Roles & Responsibilities

  • Design and develop responsive, user-friendly web applications using React.js, Redux, Node.js, and Express.
  • Implement and maintain RESTful APIs for data exchange and integration.
  • Develop reusable components and maintain modular, scalable, and maintainable front-end architecture.
  • Ensure high performance and quality standards through unit testing using Jest, Enzyme, or equivalent libraries.
  • Manage dependencies and builds using npm and webpack.
  • Participate actively in UI/UX design discussions and contribute to product usability improvements.
  • Apply best practices for code quality, security, and performance optimization.
  • Work collaboratively with cross-functional teams to deliver reliable and high-quality features.
  • Demonstrate ownership, effective communication, and a proactive attitude toward achieving project goals.


Job ID: LF250134


Posted By

Dhirendra Deo


Related Jobs
  • Full-time

  • Company
  • COMPANY

    Longfinch Technologies

  • Company
  • experience

    8 - 10 Years

  • Travel Requirements
  • Work Arrangement

    On-Site

  • Wallet
  • SALARY

    Depends on Experience

  • Skills
  • SKILLS

    • JavaScript / React / Node.js

Posted On: Nov 06, 2025

  • Full-time

  • Company
  • COMPANY

    Neshent Tech

  • Company
  • experience

    8 - 15 Years

  • Travel Requirements
  • Work Arrangement

    On-Site

  • Wallet
  • SALARY

    $110,000 - $130,000 Per Year

  • Skills
  • SKILLS

    • React
    • ES6+
    • JavaScript/TypeScript

Posted On: May 28, 2025

  • Contract - W2

  • Company
  • COMPANY

    Techvilla Solutions

  • Company
  • experience

    10 - 20 Years

  • Travel Requirements
  • Work Arrangement

    Hybrid

  • Wallet
  • SALARY

    $60 - $70 Per Hour

  • Skills
  • SKILLS

    • UI/UX
    • React UI
    • TypeScript
    • CSS
    • +1 more

Posted On: Mar 26, 2025