Lead Engineer, AEM (US)

We are seeking an experienced AEM Front-End Lead Developer to architect, lead, and deliver modern, scalable, and high-performance digital experiences using Adobe Experience Manager (AEM Sites & Edge). The ideal candidate will lead UI engineering initiatives, establish enterprise front-end standards, and drive implementation of responsive and personalized web experiences aligned with brand guidelines and accessibility standards. This role requires deep expertise in AEM front-end architecture, ClientLibs, Edge Delivery Services, enterprise design systems, cloud deployments, and AI-assisted development workflows using Cursor, GenAI coding assistants, and modern developer tooling. Our engineers are AI native and engage in and advance the state of the art in the practice of software development with AI. WHAT YOU'LL DO Lead front-end architecture and development for enterprise AEM Sites and Edge implementations. Design and develop scalable AEM front-end components using HTL (Sightly), React, Angular,JavaScript, and TypeScript Define reusable UI frameworks, enterprise design systems, component libraries, and front-end governance standards Implement and maintain enterprise brand guidelines across websites, landing pages, microsites, and digital campaigns Architect and manage scalable AEM Client Libraries (ClientLibs) including categories, embeds, dependencies, and proxy configurations Drive adoption of AI-assisted development workflows using Cursor IDE, GenAI coding assistants, and automated UI code-generation tools Lead implementation of Content Fragments, Experience Fragments, Edge Delivery Services, and headless CMS architectures Collaborate with AEM backend developers for Sling Models, GraphQL APIs, REST APIs, and headless content delivery Optimize Core Web Vitals, Lighthouse scores, accessibility compliance (WCAG), and overall front-end performance Mentor development teams through code reviews, architecture discussions, UI governance, and best-practice enforcement Collaborate with UX/UI teams to ensure pixel-perfect implementation of Figma, Adobe XD, or Sketch designs Troubleshoot complex issues related to ClientLibs, caching, CDN behavior, Edge delivery, browser compatibility, and responsive rendering WHAT YOU'LL NEED Expert-level knowledge of HTML5, CSS3, JavaScript, TypeScript Strong experience with React, Angular or SPA architecture within AEM Expertise in responsive web design, mobile-first development, and modern CSS techniques Strong experience with HTL (Sightly), Sling Models, AEM Client Libraries (ClientLibs), and AEM Core Components Deep understanding of AEM Sites, Edge Delivery Services, Content Fragments, and Experience Fragments Experience integrating front-end applications with RESTful APIs and GraphQL APIs Strong expertise in Bootstrap, Tailwind CSS, Material UI, Foundation, or similar CSS frameworks Experience implementing enterprise design systems and reusable component libraries Knowledge of CSS methodologies such as BEM, OOCSS, SMACSS, or Atomic Design Experience translating Figma, Adobe XD, Sketch, or Storybook assets into reusable UI components Strong understanding of Core Web Vitals, Lighthouse optimization, lazy loading, caching, critical CSS, and image optimization Expertise in WCAG accessibility standards and cross-browser compatibility testing Experience using Cursor IDE, GitHub Copilot, GenAI coding assistants, or AI-powered development workflows NICE TO HAVE Experience with AEM SPA Editor and micro-frontend architectures Familiarity with Adobe Experience Platform (AEP), Workfront, and Adobe Journey Optimizer Knowledge of headless commerce integrations and omnichannel delivery Basic understanding of AEM backend architecture (OSGi, Sling, JCR) ABOUT US Born in 2001, Cobalt Streamworks is a digital-first creative agency that sits at the center of creativity and technology. We pride ourselves on not only solving consumer and business problems, but also helping to establish new capabilities for our clients. With a global client roster of Fortune 100s and start-ups alike, we crave the hardest problems to solve. We have teams distributed across North America, South America, Europe, and Asia. The Cobalt Streamworks global network of agencies is growing and includes Kettle, Instrument, Left Field Labs, Create Group, Current, and TrueLogic. Striving never to be pigeonholed, we work across every major category: from tech to CPG, financial services to travel & hospitality, government and education to media and publishing. We value the collaboration with our client partners, including but not limited to Adidas, Amazon, Con Edison, Diageo, EY, J.P. Morgan Chase, Lenovo, Marriott, Mars, Microsoft, Thomson Reuters, and TikTok. The Cobalt Streamworks network is comprised of nearly 2,000 people with 50% engineers and 50% creative talent. We’re always on the lookout for smart, driven, and forward-thinking people to join our team. The base compensation range for this role is $120,000 – $170,000 and spans multip