Senior Frontend Developer (Sitecore Headless / Next.js)

The Firm:Arcsen is a leading global technology consulting firm specializing in providing innovative solutions and expert guidance to businesses across EMEA. With a commitment to excellence, Arcsen partners with industry giants such as Salesforce, MuleSoft, Tableau, Slack, and Sprout, Certinia, and Splunk, ensuring clients receive top-tier services tailored to their unique needs.

Job Description

A Senior Frontend Developer with strong expertise in Next.js, React, TypeScript, and Sitecore Headless development to join our team on a large-scale enterprise Digital Experience Platform (DXP) project.The project involves developing high-performance, multilingual, multi-country websites integrated with Sitecore CMS, enterprise backend APIs, and complex customer-facing digital services.The ideal candidate is a hands-on developer who can deliver scalable, maintainable frontend solutions while following modern development standards and collaborating with solution architects, designers, and backend teams.

Key Responsibilities

Develop and maintain enterprise websites using Next.js, React, and TypeScriptImplement Sitecore headless components using Sitecore Content SDK / JSS and Experience Edge GraphQLConvert UX/UI designs into responsive, reusable, accessible frontend componentsIntegrate Sitecore-managed content, templates, and components with the frontend applicationImplement multilingual websites, localization, and Arabic RTL layoutsDevelop frontend integration with REST and GraphQL APIs for customer-facing servicesImplement modern rendering strategies, including SSR, SSG, and ISR where appropriateOptimize frontend performance, Core Web Vitals, caching, image loading, and bundle sizesImplement SEO best practices, including metadata, structured data, sitemaps, and hreflangEnsure accessibility compliance with WCAG 2.2 standardsSupport authentication flows, secure API consumption, and error handlingCollaborate with Sitecore architects and backend teams on technical design and integrationParticipate in code reviews, technical discussions, effort estimation, and sprint planningDevelop automated unit, integration, and end-to-end testsMentor junior and mid-level developers and maintain code quality standardsRequirements4-7 years of professional frontend development experience, including at least 2 years working with React and Next.js in productionStrong hands-on expertise in Next.js, React, TypeScript, JavaScript, HTML5, and CSS3Experience with Sitecore Headless / XM Cloud / SitecoreAI, or another enterprise headless CMSGood understanding of Sitecore Content SDK / JSS, component rendering, placeholders, and content deliveryExperience integrating REST and GraphQL APIsStrong knowledge of responsive design, component-based architecture, and reusable frontend patternsExperience developing multilingual websites with Arabic RTL supportUnderstanding of SSR, SSG, ISR, caching, and frontend performance optimizationStrong knowledge of SEO, Core Web Vitals, and web accessibilityExperience with frontend authentication and secure API integrationExperience with Git, pull requests, CI/CD pipelines, and automated testingFamiliarity with testing tools such as Jest, React Testing Library, Playwright, or CypressGood English communication and problem-solving skillsPreferred QualificationsHands-on experience with Sitecore XM Cloud / SitecoreAI and Next.js in productionSitecore certificationExperience with Sitecore Pages visual editing and Experience EdgeExperience with Tailwind CSS, SCSS, Storybook, or enterprise design systemsExperience with Azure, Vercel, Cloudflare, or similar hosting and CDN platformsExperience implementing frontend integrations with MuleSoft, Salesforce, or other enterprise API platformsExperience with high-traffic e-commerce, airline, travel, banking, or telecommunications platformsExperience with multi-site and multi-country enterprise digital platformsArabic language skillsBenefitsCompetitive salary and benefits packageCollaborative and supportive work environmentCareer growth opportunitiesArcsen is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Different makes us better.By applying, you give your consent to the processing of your personal data which are necessary to the Personal Data Administrator for the purpose of the recruitment process, and the future recruitment processes. This consent will allow us to contact you in connection with our recruitment. We will process your data for two years.