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Founded by passionate advocates of learning and innovation, Learni set out to make professional training accessible to everyone, everywhere in the world. Our team works in the largest cities such as Paris, Lyon, Marseille, and internationally, to support talents and organizations in their skills development.
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30 free minutes with a training advisor — no commitment.
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Don't let this gap widen
Without expert Next.js mastery, your React apps stagnate: loading times >3s lead to 53% user drop-offs (Google Analytics), server costs explode by 200% without ISR/SSG, SEO penalized with Google rankings dropping 40 positions, teams stuck on complex routing bugs wasting 15h/week in debugging, competitors surpass with scalable apps handling 1M users/month, estimated revenue losses of 150k€/year for tech SMEs, stay behind on React 19 and App Router or invest now for 5x ROI in performance and conversions.
The Next.js Expert Training - Ultra-High-Performance Scalable Apps training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.
The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.
To ensure the quality of the Next.js Expert Training - Ultra-High-Performance Scalable Apps training, Learni provides the following teaching resources:
For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.
The assessment of skills acquired during the Next.js Expert Training - Ultra-High-Performance Scalable Apps training is carried out through:
Learni is committed to the accessibility of its professional training programs. All our training programs are accessible to people with disabilities. Our teams are available to adapt teaching methods to your specific needs. Do not hesitate to contact us for any accommodation request.
Learni training programs are available for inter-company and intra-company settings, both in-person and remote. Registration is possible up to 48 business hours before the start of training. Our programs are eligible for OPCO, Pôle emploi, and FNE-Formation funding. Contact us to discuss your training project and funding possibilities.
Dive into the Next.js App Router, configure nested layouts, manage parallel routes and intercepting routes via practical exercises on a real e-commerce project, test error boundaries, produce a navigable prototype with automated SEO metadata, everything for smooth and Google-indexable apps.
Explore Server Components for direct server data, implement Server Actions with revalidation, code secure mutable forms on concrete cases like an admin dashboard, integrate streaming and Suspense for instant UX, generate production-ready deliverables, boost your full-stack expertise.
Master static SSG, dynamic ISR, and Partial Prerendering, optimize images with next/image, configure granular fetch caching and revalidation via workshops on high-traffic apps, measure Core Web Vitals, produce an ultra-fast site with under 1s load times, ready to scale without limits.
Develop advanced NextAuth.js authentication, API routes with Zod validation, middleware for route protections, integrate OAuth and JWT on real projects like SaaS, manage persistent sessions, code scalable endpoints, secure your apps against common attacks, immediately usable deliverables.
Deploy on Vercel with custom CI/CD, enable Turbopack for 10x faster builds, configure Sentry monitoring and analytics, horizontal scaling best practices, finalize a complete portfolio app with observability, leave with a production-ready roadmap, transform your projects into commercial successes.
Target audience
Senior React developers, technical leads, full-stack architects upskilling.
Prerequisites
Advanced mastery of React, TypeScript, Node.js; 3 years of experience in full-stack web apps.
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