Lead React developer

Integration International Inc.; Andover (MA); Hybrid; USD 83,000 - 152,000; Full time

Job summary

Integration International Inc. in Andover, MA seeks a Principal React Developer / Lead React Developer for a 12+ month contract (W2). Hybrid/local work arrangement preferred.

You will lead frontend architecture, build scalable React applications, mentor engineers, and collaborate with Product, UX, Architecture, Backend and DevOps teams to drive performance and quality.

Qualifications

• 8+ years of software development experience.
• Strong HTML5 & CSS3.
• Experience with REST APIs and/or GraphQL.
• Experience with Git, CI/CD & automated testing.
• Experience with enterprise-scale, scalable and high-performing applications.
• Strong technical leadership, code reviews & mentoring experience.

Responsibilities

• Lead frontend architecture and technical direction.
• Develop scalable, secure and accessible React applications.
• Mentor frontend engineers and conduct code reviews.
• Collaborate with Product, UX, Architecture, Backend and DevOps teams.
• Drive engineering quality, performance and maintainability.

Skills

HTML5

CSS3

REST APIs

GraphQL

Git

CI/CD

Automated testing

Technical leadership

Tools

Git

CI/CD pipelines

Job description

Location: Andover, MA – Hybrid/Local preferred

Duration: 12+ Months Contract | Potential Right-to-Hire

Only Looking for W2 Candidate

Principal React Developer / Lead React Developer

Must Have:

• 8+ years of software development experience
• Strong HTML5 & CSS3
• REST APIs and/or GraphQL
• Git, CI/CD & automated testing
• Experience with enterprise-scale, scalable and high-performing applications
• Strong technical leadership, code reviews & mentoring experience

Preferred:

• Node.js
• GitHub Actions

Key Responsibilities:

• Lead frontend architecture and technical direction
• Develop scalable, secure and accessible React applications
• Mentor frontend engineers and conduct code reviews
• Collaborate with Product, UX, Architecture, Backend and DevOps teams
• Drive engineering quality, performance and maintainability