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Training Next.js 2026 - Developing Scalable Web Apps

Ref: NIS501
10 people max.
5250€ HT / per person
−15% from 2 people−30% from 3 people−50% from 5 people
Pay in 3 installments · +$170/day onsite · +$500 with certification exam
5 journées
distanciel

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Learning objectives

  • Master Next.js 2026 to build professional, scalable web applications
  • Develop high-performance interfaces with App Router and Server Components
  • Implement advanced state management and certified Server Actions
  • Optimize SEO and performance for competitive enterprises
  • Design secure full-stack architectures with authentication
  • Deploy Next.js apps in production with modern CI/CD

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 this upskilling, your team accumulates a technological gap that translates directly into productivity loss.

  • Organizations that don't train their talents on key topics see their competitiveness drop.

  • Every quarter without training is a gap widening with competitors who invest.

  • The cost of inaction quickly exceeds that of well-targeted training.

Allan Busi
Allan Busi

Learni Trainer · Expert

73%productivity gap
×3cost of inaction

Program

Module 1Next.js 2026 Fundamentals: setup and App Router (Vite, Turbopack, routing)

Quick installation of a Next.js 2026 project with create-next-app and Turbopack for ultra-fast development, exploration of the App Router for smooth and intuitive navigation, creation of dynamic pages with loading and error states, practical exercises on a real e-commerce case where you structure routes and layouts, production of your first functional prototype with personalized code review by the trainer.

Module 2Next.js 2026 Server Components: hybrid server rendering (RSC, streaming)

Deep dive into React Server Components for optimized and secure server rendering, implementation of HTML streaming for ultra-fast pages, integration of server data without client-side fetching, practical workshops on an enterprise dashboard with PostgreSQL database fetching, creation of reusable shared components, validation through Jest unit tests for a robust professional architecture.

Module 3Next.js 2026 Server Actions and forms: secure mutations (Zod, revalidation)

Development of progressive forms with Server Actions for mutations without external APIs, server-side validation using Zod and React Hook Form, implementation of intelligent revalidation for real-time updates, concrete case of a collaborative blog where you manage secure CRUD operations, exercises on NextAuth.js authentication with OAuth providers, creation of middleware for protected routes, deliverable: complete production-ready module.

Module 4Next.js 2026 Optimizations: SEO, performance, and images (MDX, dynamic metadata)

Mastery of dynamic metadata and Open Graph for explosive SEO, image optimization with next/image and advanced lazy loading, bundle analysis with @next/bundle-analyzer to reduce sizes, workshops on an e-commerce showcase site boosting Core Web Vitals, integration of MDX for dynamic content, Lighthouse tests to score 100/100, production of a complete audit and optimization plan applicable immediately in enterprise settings.

Module 5Next.js 2026 Deployment and scaling: Vercel, Docker, CI/CD (Edge runtime)

Configuration of automated deployments on Vercel and Netlify with Edge Functions, Docker containerization for hybrid environments, GitHub Actions CI/CD setup for branch previews, horizontal scaling with Edge runtime for minimal global latency, final exercise on your ongoing project deployed in simulated production, monitoring with Sentry and integrated analytics, delivery of a complete pipeline certifying your skills for critical enterprise projects.

Evaluation method

  • Certified Next.js 2026 multiple-choice quiz to validate acquired skills
  • Continuous evaluation through exercises and ongoing project
  • Oral defense of the final deployment by the learner

Learning method

  • Sessions led by Next.js experts in enterprise roles
  • Practical exercises on real-world scalable full-stack cases
  • Evolving ongoing project over 5 days with feedback
  • Digital pedagogical support and complete source code

Methods, materials and delivery

The Training Next.js 2026 - Developing Scalable Web 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 Training Next.js 2026 - Developing Scalable Web 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 Training Next.js 2026 - Developing Scalable Web 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

Learni programs are available inter-company and intra-company, onsite or remote. Enrollments are possible up to 48 business hours before the program starts. Our programs are eligible for corporate funding paths. Contact us to discuss your training project and funding options.

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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