UI React developer

MACHINE LEARNING TECHNOLOGIES LLC; Chicago (IL); On-site; USD 100,000 - 170,000; Full time

Job summary

MACHINE LEARNING TECHNOLOGIES LLC in Chicago, IL is seeking an experienced UI React developer to drive the design and development of modern, scalable web applications focused on front-end architecture and performance. This hands-on role centers on React, modern JavaScript, and best practices for building high-quality user interfaces.

The ideal candidate will lead front-end design discussions, build reusable UI components, and collaborate with product owners, UX designers, architects, and backend

Qualifications

• 8+ years of front-end development experience.
• 5+ years of hands-on experience with React.js.
• Strong expertise in JavaScript (ES6+), TypeScript, HTML5, and CSS3.
• Experience with Redux, Context API, and state management frameworks.
• Solid understanding of responsive web design and cross-browser compatibility.
• Experience with REST APIs, Git, and Agile development methodologies.
• Strong problem-solving and communication skills.

Responsibilities

• Design, develop, and maintain enterprise-scale web applications using React.js.
• Lead front-end technical design and architecture discussions.
• Build reusable, scalable, and responsive UI components.
• Collaborate with product owners, UX designers, architects, and backend teams.
• Integrate RESTful APIs and third-party services.
• Optimize application performance, accessibility, and user experience.
• Conduct code reviews and promote front-end best practices.
• Troubleshoot and resolve complex UI and application issues.
• Contribute to CI/CD, testing, and deployment processes.

Skills

Front-end development

React.js

JavaScript (ES6+)

TypeScript

HTML5

CSS3

Redux

Context API

REST APIs

Git

Agile

Communication

Tools

Jest

React Testing Library

Cypress

CI/CD tooling

Job description

Job Overview

Job ID: J53707

Job Title: UI React developer

Location: Chicago, IL

Duration: 10 Months + Extension

Domain Exposure: Utilities/ Energy

Client: To Be Discussed Later

Employment Type: W-2, 1099, C2C

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

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Job Description

We are seeking a highly skilled UI React developer to drive the design and development of modern, scalable web applications. This is a hands‑on individual contributor role focused on front-end architecture, application development, and technical leadership. The ideal candidate will possess deep expertise in React, modern JavaScript frameworks and best practices for building high-performance user interfaces.

Key Responsibilities

• Design, develop, and maintain enterprise-scale web applications using React.js.
• Lead front-end technical design and architecture discussions.
• Build reusable, scalable, and responsive UI components.
• Collaborate with product owners, UX designers, architects, and backend teams.
• Integrate RESTful APIs and third-party services.
• Optimize application performance, accessibility, and user experience.
• Conduct code reviews and promote front-end best practices.
• Troubleshoot and resolve complex UI and application issues.
• Contribute to CI/CD, testing, and deployment processes.

Required Skills

• 8+ years of front-end development experience.
• 5+ years of hands‑on experience with React.js.
• Strong expertise in JavaScript (ES6+), TypeScript, HTML5, and CSS3.
• Experience with Redux, Context API, and state management frameworks.
• Solid understanding of responsive web design and cross-browser compatibility.
• Experience with REST APIs, Git, and Agile development methodologies.
• Strong problem-solving and communication skills.

Preferred Skills

• Experience in Retail or eCommerce environments.
• Exposure to cloud platforms such as GCP, AWS, or Azure (not mandatory).
• Experience with Micro Frontend architecture.
• Familiarity with Jest, React Testing Library, or Cypress.

Equal Opportunity Employer

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.

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