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 team integrates digital engineering, creativity, and a deep understanding of human behavior to find and unlock value through tech-powered and intelligence-fueled experiences.

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