Senior Software Engineer, Frontend

Job description:

Only-- W2, W2, W2, W2, W2, W2, W2

No C2C, No C2C, No C2C ----- No H1B, No H1B, No H1B

Job Title: Senior Software Engineer (Frontend React)

Location: Alameda, CA (Local only)

Visa: USC / GC/ GC EAD/ H4 EAD/ L2/ F1

Experience: 7+ years

A job description and salary discussion will be conducted after speaking with the applicants. Interested can call me at 510-347-8901 or share their updated resume at Pardeep@mobileappsus.com

Note: H1B and C2C are not considered for this position

Job Title: Senior Software Engineer – Frontend (React)

Location: Alameda, CA (3 Days Onsite – Local Candidates Only)
Rate: $45–48/hr on W2

Role Overview

The Senior Software Engineer – Frontend (React) will design, develop, and optimize responsive web applications using React, Next.js, and modern frontend frameworks. This role requires close collaboration with backend engineers, product managers, and UI/UX designers to deliver high-performance, accessible, and visually engaging applications.

Key Responsibilities

• Design and develop responsive, performant, and accessible web applications using Next.js and React.
• Collaborate with backend engineers, product managers, and designers to deliver seamless user experiences.
• Implement and maintain CI/CD pipelines using GitHub Actions, Vercel, or similar platforms.
• Optimize frontend performance and web vitals across various devices and browsers.
• Contribute to and evolve the design system and component libraries.
• Ensure code quality through unit testing, integration testing, and code reviews.
• Participate in sprint planning, estimation, and technical discussions.
• Troubleshoot and resolve complex frontend issues in production environments.

Required Skills & Experience

• Strong proficiency in JavaScript, TypeScript, React, and Next.js.
• Deep understanding of React Hooks, Context API, and state management tools (Redux).
• Experience with Server-Side Rendering (SSR) and Static Site Generation (SSG) in Next.js.
• Proficient with HTML5, CSS3, SASS/SCSS, and responsive design principles.
• Familiar with API integration, GraphQL, and RESTful services.
• Hands-on experience with testing frameworks (e.g., Jest).
• Knowledge of frontend performance optimization and accessibility standards.
• Experience integrating with authentication systems (OAuth2, OpenID Connect).
• Understanding of web security principles (XSS, CSRF, CORS).
• Experience with monorepos and tools like Turborepo.
• Familiarity with analytics and tracking tools (Google Analytics, Segment).
• Exposure to Agile methodologies and DevOps culture.
• Familiarity with design systems and tools like Storybook, Figma, or Adobe XD.

A job description and salary discussion will be conducted after speaking with the applicants. Interested can call me at 510-347-8901 or share their updated resume at Pardeep@mobileappsus.com

Job Type: Contract

Pay: $45.00 - $50.00 per hour

Work Location: On the road