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Next.js Expert Training - Ultra-High-Performance Scalable Apps

Ref: YTD641
10 people max.
$6,300 HT / per person
−15% from 2 people−30% from 3 people−50% from 5 people
Pay in 3 installments · +$180/day onsite · +$540 with certification exam
5 days
Remote

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Learning objectives

  • Master the App Router for smooth navigation and optimal SEO
  • Implement Server Components and Actions for efficient server-side rendering
  • Optimize performance with SSG, ISR, and advanced streaming
  • Secure authentication and custom API routes
  • Deploy and monitor scalable Next.js apps in production
  • Integrate Turbopack and middleware for speed boosts
  • Produce modular and maintainable architectures

The Learni story

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

Why this program matters

  • 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.

Allan Busi
Allan Busi

Learni Trainer · Expert

73%productivity gap
×3cost of inaction

Program

Module 1Next.js App Router: Advanced Routing and Dynamic Layouts

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.

Module 2Server Components and Actions: Powerful Hybrid Rendering

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.

Module 3Next.js Optimizations: SSG, ISR, Advanced Caching

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.

Module 4Authentication and API: Middleware, Secure Sessions

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.

Module 5Deployment and Monitoring: Turbopack, Vercel Pro

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.

Evaluation method

  • Daily technical quizzes, final certifying project, pair-programming feedback

Learning method

  • 70% hands-on practice on real cases, 30% applied theory, individual mentoring

Methods, materials and delivery

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.

Equipment required

For the smooth delivery of the Next.js Expert Training - Ultra-High-Performance Scalable Apps program, the following equipment is required:

  • Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, projector or interactive touch screen (for remote sessions)
  • Training environments installed on workstations or accessible online
  • Course materials, hands-on exercises and complementary resources
  • Post-training access to materials and educational resources

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.

* contact us for remote delivery feasibility** ratio varies depending on the program

Skills assessment methods

Assessment of skills acquired during the Next.js Expert Training - Ultra-High-Performance Scalable Apps program is performed through:

  • During training: case studies, hands-on labs and professional scenarios
  • End of training: self-assessment questionnaire and skills evaluation by the trainer
  • After training: completion certificate detailing acquired skills

Program accessibility

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.

Enrollment terms and lead times

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.

Verified reviews

What our learners

4.9 · +100 verified reviews
★★★★★

« cool, j'ai appris des trucs »

TomFormation AWS — Cloud Practitioner
★★★★★

« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »

Eva CarpentierFormation LLM en Entreprise — Claude, ChatGPT, Mistral
★★★★★

« la formation dev etait intense mais grave bien. merci Anthony Khelil »

NolanDWWM - Développeur Web et Web Mobile
★★★★★

« 😊👍 »

AmbreDWWM - Développement Web & Mobile React
★★★★★

« bien 👍 »

Léo BlanchardFormation AWS — DevOps Engineer Professional
★★★★★

« Allan Busi t'es au top, continue comme ça. formation géniale »

MargotFormation Claude & ChatGPT — Comparatif et Cas d'Usage
★★★★★

« cool, j'ai appris des trucs »

TomFormation AWS — Cloud Practitioner
★★★★★

« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »

Eva CarpentierFormation LLM en Entreprise — Claude, ChatGPT, Mistral
★★★★★

« la formation dev etait intense mais grave bien. merci Anthony Khelil »

NolanDWWM - Développeur Web et Web Mobile
★★★★★

« 😊👍 »

AmbreDWWM - Développement Web & Mobile React
★★★★★

« bien 👍 »

Léo BlanchardFormation AWS — DevOps Engineer Professional
★★★★★

« Allan Busi t'es au top, continue comme ça. formation géniale »

MargotFormation Claude & ChatGPT — Comparatif et Cas d'Usage
★★★★★

« cool, j'ai appris des trucs »

TomFormation AWS — Cloud Practitioner
★★★★★

« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »

Eva CarpentierFormation LLM en Entreprise — Claude, ChatGPT, Mistral
★★★★★

« la formation dev etait intense mais grave bien. merci Anthony Khelil »

NolanDWWM - Développeur Web et Web Mobile
★★★★★

« 😊👍 »

AmbreDWWM - Développement Web & Mobile React
★★★★★

« bien 👍 »

Léo BlanchardFormation AWS — DevOps Engineer Professional
★★★★★

« Allan Busi t'es au top, continue comme ça. formation géniale »

MargotFormation Claude & ChatGPT — Comparatif et Cas d'Usage
Read all reviews
Our method

Training quality, guaranteed at every step

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.

Step 1

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.
Step 2

You meet the trainer beforehand

30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.

  • Live briefing on goals and team context.
  • Veto right — we swap the trainer for free if needed.
Step 3

Content tailored to your context

No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.

  • Hands-on cases drawn from your stack and projects.
  • Program co-written then validated by your team.
Step 4

Continuous quality follow-up

Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.

  • NPS, knowledge quizzes and skills self-assessment.
  • Satisfaction guarantee: fully satisfied or free rework.

A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.

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