Senior Frontend UI / MERN Stack Developer Hybrid Seattle, WA (Locals Only)

Senior Frontend UI / MERN Stack Developer

• Job Title: Senior Frontend UI Developer
• Location: Hybrid Seattle, WA (4 days onsite)
• Client: Cognizant / Lululemon
• Experience Required: 8+ Years (Strictly hands-on)

Job Summary

We are seeking a Senior Frontend UI Developer with extensive MERN stack expertise to build high-performance, consumer-facing web applications. This is a strictly hands-on role focused on daily React.js development, creating scalable UI components, and optimizing cross-browser compatibility. You will collaborate with backend teams to integrate REST APIs and ensure the frontend architecture is responsive, performant, and aligned with modern JavaScript (ES6+) standards.

Key Responsibilities & Technical Core

React & Frontend Engineering

• Component Architecture: Design and develop scalable, reusable UI components using React.js to maintain a consistent design system.
• Advanced JavaScript: Utilize ES6+, HTML5, and CSS3 to build complex interactive features and ensure high-quality code through modern patterns.
• Performance Optimization: Debug and optimize production UI issues, focusing on rendering speeds, responsive design, and cross-browser stability.

Full-Stack Integration

• Data Persistence: Leverage MongoDB for efficient data handling and schema management within the MERN ecosystem.
• Backend Connectivity: Utilize Node.js and Express.js to facilitate seamless integration with REST APIs.
• State Management: (Nice to have) Implement robust state management solutions using Redux, Context API, or Zustand.

Collaborative Development

• Agile Workflow: Participate in Scrum ceremonies and manage version control via Git to ensure timely delivery of features.
• Testing & Quality: (Nice to have) Write unit and integration tests using Jest or Cypress to ensure frontend reliability.
• UI Frameworks: Apply styles and layouts using modern libraries like Tailwind CSS, Material UI, or Ant Design.

Required Skills & Qualifications

1. Frontend Mastery: 8+ years of strictly hands-on experience with React.js, JavaScript (ES6+), and modern CSS.
2. MERN Proficiency: Solid experience with MongoDB and working knowledge of Node.js/Express.js.
3. API Integration: Proven track record of integrating complex REST APIs into frontend applications.
4. UI/UX Standards: Strong understanding of responsive design, accessibility, and UI performance metrics.

Aditya Jain | New York Technology Partners

120 Wood Avenue S | Suite 504 | Iselin NJ 08830

Email: Direct: EXT: 482

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