Principle React Developer (Only W2 - Onsite) Performix - 4.8 Andover, MA Job Details Contract 9 hours ago Qualifications Secure web application development Software engineering CSS Enterprise software Front-end state management Scalable systems Enterprise software systems development Managing engineering teams Leading team collaboration initiatives Developing automated testing protocols Accessible front-end development Scalability Agile software development Front-end component implementation DevOps automation Project leadership TypeScript HTML Cross-functional communication

Full Job 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. Requirements 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.