UI DEVELOPER

MACHINE LEARNING TECHNOLOGIES LLC; Seattle (WA); On-site; USD 86,000 - 123,000; Full time

Job summary

Machine Learning Technologies LLC in Seattle seeks a highly experienced Senior UI Developer to design and build responsive, scalable web applications. You will lead frontend work across HTML5, CSS3, JavaScript/TypeScript and frameworks such as React.js or Angular, delivering polished interfaces and robust components.

The role collaborates with UX/UI designers and backend teams in a fast-paced Agile environment.

Qualifications

• 12+ years of UI/frontend development experience.
• Proficient with HTML5, CSS3, JavaScript, TypeScript.
• Hands-on with React.js or Angular frameworks.
• Experience building responsive web apps and UI components.
• Proficient with REST APIs and JSON.
• Familiar with Redux, Context API or NgRx.
• Experience with Git, Jenkins, and CI/CD pipelines.
• Strong debugging and problem-solving skills.

Responsibilities

• Design, develop, and maintain responsive and scalable web applications.
• Build interactive UIs using HTML5, CSS3, JavaScript, TypeScript, and React.js or Angular.
• Develop reusable UI components and frontend libraries.
• Collaborate with UX/UI designers, backend developers, and business teams.
• Integrate frontend applications with RESTful APIs and backend services.
• Ensure cross-browser compatibility and mobile responsiveness.
• Optimize application performance, scalability, and page load times.
• Implement state management solutions such as Redux, Context API, or NgRx.
• Perform code reviews, debugging, and unit testing.
• Follow frontend development best practices and coding standards.
• Mentor junior developers and provide technical guidance.
• Participate in Agile/Scrum ceremonies and sprint planning.

Skills

HTML5

CSS3

JavaScript

TypeScript

React

Angular

Redux

Context API

NgRx

REST APIs

CI/CD

Tools

Git

Jenkins

Job description

Job Description

• Job ID: J54585
• Job Title: UI DEVELOPER
• Location: Seattle, WA
• Duration: 13 Months + Extension
• Domain Exposure: Consumer Staples
• Client: To Be Discussed Later
• Employment Type: W-2, 1099, C2C
• Work Authorization: US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Bill Rate: $76/hour (C2C)

Job Overview

We are looking for a highly experienced Senior UI Developer with 10+ years of experience in designing and developing responsive, user-friendly web applications. The ideal candidate should have strong expertise in modern frontend technologies, JavaScript frameworks, UI architecture, and performance optimization.

Key Responsibilities

• Design, develop, and maintain responsive and scalable web applications.
• Build interactive user interfaces using HTML5, CSS3, JavaScript, TypeScript, and React.js or Angular.
• Develop reusable UI components and frontend libraries.
• Collaborate with UX/UI designers, backend developers, and business teams.
• Integrate frontend applications with RESTful APIs and backend services.
• Ensure cross-browser compatibility and mobile responsiveness.
• Optimize application performance, scalability, and page load times.
• Implement state management solutions such as Redux, Context API, or NgRx.
• Perform code reviews, debugging, and unit testing.
• Follow frontend development best practices and coding standards.
• Mentor junior developers and provide technical guidance.
• Participate in Agile/Scrum ceremonies and sprint planning.

Required Skills

• 12+ years of experience in UI / Frontend Development.
• Strong expertise in HTML5, CSS3, JavaScript, and TypeScript.
• Hands-on experience with React.js or Angular.
• Experience with responsive web design and CSS frameworks.
• Strong knowledge of REST APIs and JSON.
• Experience with Redux, Context API, or NgRx.
• Knowledge of UI architecture and reusable component development.
• Experience with Git, Jenkins, and CI/CD pipelines.
• Strong debugging and problem-solving skills.

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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