Rigorous trainer selection
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
- Triple validation: technical, pedagogical, sectoral.
- Minimum rating 4.8/5 over the last 12 sessions.
Describe your need, get a tailored program and a pre-filled quote in 3 min. A 100% free call with an advisor.
Founded by passionate learning and innovation experts, Learni's mission is to make professional training accessible to everyone, anywhere in the world. Our team operates in major hubs — London, New York, Boston — and internationally, to support talents and organizations in upskilling.
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.
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.
The Next.js Expert Training - Ultra-High-Performance Scalable Apps program is delivered onsite or remote (blended-learning, e-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.
The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.
For the smooth delivery of the Next.js Expert Training - Ultra-High-Performance Scalable Apps program, the following equipment is required:
For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.
Assessment of skills acquired during the Next.js Expert Training - Ultra-High-Performance Scalable Apps program is performed through:
Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.
Registration is possible up to 48 business hours before the start of training. All our programs are eligible for corporate training budgets and employer-funded plans.
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
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Infrastructure & RéseauxIndustry-certified30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.