Senior UI Engineer: React/Angular, Lead & Mentor

Quantum Technologies. LLC; Seattle (WA); On-site; USD 120,000 - 180,000; Full time

Job summary

Quantum Technologies. LLC in Seattle seeks an experienced frontend architect to design, develop, and maintain responsive web apps, building scalable UI components and libraries. You will collaborate with UX/UI and backend teams, integrate with RESTful APIs, optimize performance, implement Redux/NgRx, and mentor junior developers.

The role focuses on modern frontend frameworks, scalable architecture, and active participation in Agile ceremonies within a fast-paced environment.

Qualifications

• 12+ years of experience in UI/Frontend Development.
• 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.

Responsibilities

• Design, develop, and maintain responsive and scalable web applications.
• 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.
• 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

React.js

Angular

Responsive design

REST APIs

State management

UI component development

CI/CD

Debugging

Mentoring

Tools

Git

Jenkins

CI/CD pipelines

Job description

Quantum Technologies. LLC in Seattle seeks an experienced frontend architect to design, develop, and maintain responsive web apps, building scalable UI components and libraries. You will collaborate with UX/UI and backend teams, integrate with RESTful APIs, optimize performance, implement Redux/NgRx, and mentor junior developers.

The role focuses on modern frontend frameworks, scalable architecture, and active participation in Agile ceremonies within a fast-paced environment.