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AEM Developer

frenzoft

2 - 5 years

Hyderabad

Posted: 04/01/2026

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Job Description

Dear Connections,


AEM Performance Engineer / AEM Modernization Engineer

Work location Hyderabad

Experience 5 years to 8 Years

Notice Period Immediate to 10 days

Mandatory Skills AEM Developer, AEM 6.5 (Author/Publish, OSGi, Sling, JCR/Oak), JS, CSS


  • Own end-to-end AEM performance analysis and tuning across Author/Publish/Dispatcher/CDN layers.
  • Diagnose and resolve front-end and back-end performance bottlenecks (render times, slow queries, request throughput, thread contention).
  • Improve Core Web Vitals (FCP, LCP, CLS, INP, TBT) through AEM + front-end optimizations, including:
  • JS optimization (reducing bundle size, deferring/non-blocking JS, minimizing third-party scripts, code-splitting)
  • CSS optimization (critical CSS, reducing unused CSS)
  • Lazy loading , image optimization (WebP/AVIF ), and client-side performance best practices
  • Optimize AEM Dispatcher/CDN caching strategy (TTL, cache invalidation, cache keys, hit ratio improvements).
  • Modernize legacy AEM implementations by:
  • Migrating static templates to editable templates
  • Improving component efficiency and reducing custom overlays
  • Enhancing Clientlibs structure and delivery for performance
  • Tune and optimize content structure and repository performance (JCR indexing, Oak query performance, repository growth monitoring).
  • Analyze and optimize performance impact from third-party integrations (tag managers, analytics, personalization, marketing pixels, embedded widgets, APIs).
  • Drive observability and monitoring improvements (dashboards, alerts, logs, traces, performance SLAs).
  • Create and execute performance test plans (load/stress/soak), define baselines, and publish performance reports with clear recommendations.
  • Ensure changes are secure, maintainable , and aligned with enterprise architecture standards.

Required Skills & Experience

  • 56 years in AEM engineering with hands-on performance optimization experience.
  • Strong experience with AEM 6.5 (Author/Publish, OSGi, Sling, JCR/Oak).
  • Performance expertise across:
  • Dispatcher configuration (cache rules, filters, farm files)
  • CDN caching and invalidation patterns
  • Oak indexing / query optimization (Query Performance Tool, index definitions)
  • Strong understanding of AEM component performance (HTL/Sightly, Sling Models, Clientlibs, resource resolution).
  • Front-end performance optimization experience:
  • JavaScript optimization (bundling, minification, code splitting, reducing third-party impact)
  • Modern image formats (WebP/AVIF ), lazy loading, minimizing render-blocking resources
  • Strong web performance tooling knowledge
  • Hands-on experience with performance tools such as Lighthouse, WebPageTest, Chrome DevTools , and load tools like JMeter / Gatling / Locust ; plus AEM profiling/log analysis.
  • Strong communication skills: ability to translate findings into actionable engineering tasks .



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