Principle React Developer (Only W2 - Onsite)

Performix Andover, Massachusetts, United States

IT Services and IT Consulting · 51-200 employees

7 h ago

react Principal (10+ yrs) Contractor United States

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About the role

Lead the frontend architecture and development of modern web applications while providing technical direction and mentorship to the engineering team. Collaborate with cross-functional teams including UX, product, and backend engineers to deliver scalable, secure, and high-performing digital solutions.

What they look for

ReactJS TypeScript JavaScript HTML5 CSS3 Frontend Architecture Technical Leadership REST APIs GraphQL Node.js CI/CD Git Automated Testing DevOps Agile Component Architecture

Requirements

Requires a bachelor's degree in a technical field and over 8 years of software development experience with advanced expertise in ReactJS and TypeScript. Candidates must demonstrate strong leadership skills and experience with enterprise-scale web applications, CI/CD practices, and API integration.

Full description

Job Description:

· Reports to the Engineering Manager.

· Works with Eng Mgr. & Architect at high level.

· Must be able to understand and collaborate at high level to execute

· Location: Andover, MA (north of Boston)

· Must be onsite 2-3 days per week to collaborate with manager and architect

· Duration: One year. Right to hire if the employee performs well.

Duties in Short:

· Frontend Technical Lead to guide the architecture, development, and delivery of modern web applications and digital platforms.

· The role combines hands-on engineering with technical leadership to deliver secure, scalable, accessible, and high-performing user experiences.

· The successful candidate will provide technical direction, mentor engineers, and collaborate with Product Owners, UX teams, architects, backend engineers, and DevOps teams across our global organization.

· Sr React Developer that can stand alone with no support and take direction from senior engineer and senior architect and intimately know how to accomplish the needed work.

· The role is tied to a new platform and installing a portal for internal engagement and use by the company business units.

Key Responsibilities

· Lead frontend architecture and development using ReactJS and TypeScript.

· Define engineering standards, reusable patterns, code quality practices, and technical guardrails.

· Partner with UX designers to deliver intuitive, responsive, and accessible experiences using Figma and shared design systems.

· Integrate applications with REST and GraphQL APIs, including Node.js backend-for-frontend services where appropriate.

· Drive CI/CD, automated testing, observability, performance, security, and production reliability.

· Resolve complex technical issues and proactively manage technical debt.

· Mentor engineers through technical coaching, architecture reviews, and code reviews.

· Collaborate with global product, architecture, platform, and business teams to deliver enterprise digital solutions.

Required Qualifications

· Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

· 8+ years of software development experience, including experience as a Technical Lead or senior technical contributor.

· Advanced expertise in ReactJS, TypeScript, JavaScript, HTML5, CSS3, component architecture, and state management.

· Experience delivering enterprise-scale web applications with strong knowledge of performance, scalability, accessibility, and secure development.

· Experience integrating REST and/or GraphQL APIs; working knowledge of Node.js is preferred.

· Hands-on experience with CI/CD, Git, automated testing, and modern DevOps practices.

· Ability to influence technical decisions, communicate clearly, and lead across teams in an Agile environment.

Preferred Qualifications

· Experience with Next.js, micro-frontends, monorepos, design systems, or reusable component libraries.

· Experience with Azure, Azure DevOps, Terraform, GitHub Actions, Docker, or Kubernetes.

· Strong product mindset and ability to balance user experience, technical quality, business value, and delivery speed.

Leadership Expectations

· Own outcomes across delivery, technical quality, system health, and maintainability.

Set frontend direction and raise the bar for engineering excellence

across teams.