Lead Full Stack Developer (React / Node.js)

About the role

The Lead Full Stack Developer (React / Node.js) role is within the Concentrix Technical Products and Services team. This role is open to candidates based in the United States and offers remote work flexibility, with availability required during Mountain Time business hours.

Responsibilities

• Lead the architecture, design, and development of enterprise-scale web applications using React, Node.js, and Express.js
• Define frontend architecture and establish best practices for reusable, accessible, scalable, and high-performing React applications
• Build and maintain responsive, modern user interfaces using React, TypeScript, Hooks, and component-driven design
• Design and support backend APIs for online ordering, menu management, loyalty programs, customer accounts, payments, POS, and third-party integrations
• Collaborate with Product Managers, UX/UI Designers, QA, DevOps, and business stakeholders to translate requirements into technical solutions
• Contribute hands-on code, review pull requests, troubleshoot complex issues, and support production environments
• Mentor and guide developers through code reviews, technical coaching, and engineering best practices
• Support the full software development lifecycle, including planning, estimation, development, testing, deployment, and production support
• Partner with DevOps on CI/CD pipelines, cloud deployments, and release planning
• Identify technical risks, manage technical debt, and provide daily, weekly, or monthly client updates as needed

Qualifications

• 10+ years of professional software development experience
• 5+ years of hands-on experience with React, JavaScript, and TypeScript
• 3+ years of backend development experience with Node.js and Express.js
• 3+ years of technical leadership and mentoring experience
• 2+ years of experience with Microsoft Azure and cloud-based deployments
• Strong expertise in React architecture, state management, accessibility, performance optimization, responsive design, and component reusability
• Experience building and consuming RESTful APIs, secure authentication and authorization flows, and scalable backend integrations
• Proven experience with CI/CD pipelines, Git, Agile delivery, and collaborative development workflows
• Strong understanding of secure software development, networking, troubleshooting, and code quality practices
• Excellent communication, stakeholder management, and client-facing consulting skills

Preferred Skills

• Experience with Next.js, React Query (TanStack Query), Storybook, Jest, React Testing Library, Playwright, or Cypress
• Familiarity with Redux or similar state management libraries
• Experience with HTML5, CSS3, LESS, SASS, responsive design, and mobile-first development
• Knowledge of Atomic Design, headless architecture, server-side rendering, SEO optimization, and WCAG accessibility standards
• Experience with Azure Cloud Functions, Azure DevOps, and modern build tools such as npm, Webpack, Vite, and Babel
• Experience with monitoring and observability tools such as DataDog, Splunk, Azure Application Insights, or New Relic
• Experience designing microservices or event-driven architectures
• Background in restaurant technology, hospitality, retail, e-commerce, SaaS, POS, online ordering, loyalty platforms, or payment integrations