Site core front end developer

A Sitecore Next.js FrontEnd Developer builds highperformance, componentdriven digital experiences using Next.js, React, and Sitecore's headless CMS (XM Cloud or JSS). This role focuses on developing reusable UI components, integrating Sitecore content APIs, optimizing performance, and collaborating with designers and content teams to deliver scalable, enterprisegrade web experiences. Core Responsibilities Develop reusable Next.js/React components that consume Sitecore headless content (Layout Service, GraphQL, REST). Integrate Sitecore JSS with Next.js including environment configuration, API setup, and editing capabilities. Build and maintain page layouts using Sitecore components, placeholders, and rendering structures. Work in disconnected and connected development modes to streamline component development. Optimize UI/UX performance using SSR, SSG, ISR, caching, accessibility, and responsive design best practices. Collaborate with designers, marketers, and backend teams to translate requirements into scalable frontend solutions. Support Sitecore content teams by ensuring components are authorfriendly, flexible, and aligned with content models. Troubleshoot and enhance Sitecore search/indexing when required. Maintain code quality through Git workflows, code reviews, and best practices. Core Technical Skills Next.js — SSR, SSG, ISR, routing, API routes, performance optimization React — hooks, state management, component architecture Sitecore JSS — headless integration, Layout Service, disconnected/connected mode Sitecore XM Cloud / XP — content modeling, components, renderings, templates GraphQL — querying Sitecore content via Sitecore GraphQL endpoint REST APIs — consuming Sitecore and external APIs TypeScript — strong typing, interfaces, generics CSS frameworks — Tailwind, SCSS, CSS Modules, or Styled Components Node.js — build tooling, serverside logic, package management Git — branching strategies, pull requests, code reviews Azure DevOps / CI-CD — pipelines, deployments, environment management Vercel or Azure hosting — Next.js deployment and optimization Sitecore Search / Indexing — optional but valuable Accessibility & SEO — WCAG, semantic HTML, structured data Performance optimization Nice to Have Skills Sitecore Personalization — rules, variants, A/B testing Sitecore Content Serialization — SXA, templates, items Docker — local development environments Headless CMS experience — Contentful, Optimizely, etc. Design systems — Storybook, component libraries Our Commitment to a Culture of Inclusion & Belonging Ecolab is committed to fair and equal treatment of associates and applicants and furthering the principles of Equal Opportunity to Employment. We will recruit, hire, promote, transfer and provide opportunities for advancement based on individual qualifications and job performance in all matters affecting employment, compensation, benefits, working conditions, and opportunities for advancement. Ecolab will not discriminate against any associate or applicant for employment because of race, religion, color, creed, national origin,citizenship status, sex, sexual orientation, gender identity and expressions, genetic information, marital status, age, or disability.