Senior Frontend DeveloperIntegration International Inc • Andover, MA, United States

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Senior Frontend Developer

Integration International Inc • Andover, MA, United States

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Senior Information Technology Recruiter at Integration International Inc.

Position : Senior React Developer

Work Mode : Hybrid (2-3 days onsite)

Duration : 9 Months Contract

Start Date : Jan 19, 2026

Role Summary

Our client is seeking a Senior Front-End React Developer to design, build, and optimize modern, scalable web applications. The role focuses on developing high-quality user interfaces using React.js, improving front-end performance, and collaborating with cross-functional teams to deliver business-critical solutions.

Key Responsibilities

Develop and maintain user-facing features using React.js
Build reusable components and front-end libraries
Convert UX / UI designs and wireframes into production-ready code
Collaborate with backend developers and designers
Ensure technical feasibility of UI / UX designs
Document front-end architecture and codebase
Stay updated with emerging front-end technologies

Required Qualifications

Strong experience as a React Developer / Front-End Developer

Deep understanding of React core concepts

Experience with Redux / Flux

Familiarity with JWT-based authentication

Experience with modern build tools and pipelines

Strong performance tuning and optimization skills

Proficiency with Git / version control systems

Bachelors degree in Computer Science or equivalent experience

Seniority level

Mid-Senior level

Employment type

Contract

Job function

Information Technology

Industries

Appliances, Electrical, and Electronics Manufacturing, Manufacturing, and Industrial Machinery Manufacturing

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