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

Course created on July 27, 2026Updated on October 5, 2026

On quote$2,310

2 days
Onsite
10 people max.

Request a quote See the program

Ref: VVO333

10 people max.

On quote$2,310

In-company rate: on quotefrom $4,190 for the whole team

On-site and certification exam on quote

2 days

Onsite

Don't let this gap widen

Why this program matters

Without a Next.js expert, your apps suffer load times >3s and bounce rates +32% (Google Analytics).
Mismanaged Server Components waste 45% server CPU and cloud costs explode x3.
68% of competing PWAs scale better, leaving 70% of startups failing (Stack Overflow Survey).
Are you losing qualified leads due to Core Web Vitals FCP >2.5s?
In 14h, boost performance x5, cut costs 50%, and dominate SEO and conversions starting tomorrow.

Trusted by — schools, companies and industrial groups

25,721 programs · 25 countries

Every program built with a dedicated engineer

Companies: Aptar, ArcelorMittal, Equans, EDF, Ubisoft and Microsoft.

Learning objectives

Master the App Router and nested layouts in Next.js 14+
Implement secure Server Components and Server Actions
Optimize performance via Streaming, Suspense, and Partial Prerendering
Develop robust APIs with middleware and authentication
Scale applications with advanced caching and edge runtime
Integrate strict TypeScript and handle expert error management

Program

Module 1App Router and Server Components: Implement Hybrid Architectures (Next.js, React Server, TypeScript)

Dive into the App Router by refactoring an existing React app, configure dynamic layouts and loading states, code Server Components for server-side data fetching, complete exercises on Server Actions with Zod validation, test secure mutations on real e-commerce cases, produce a scalable prototype with improved Core Web Vitals metrics, all while live debugging for immediate gains.

Module 2Optimizations and Deployment: Boost Performance and Scalability (Streaming, Vercel, Caching)

Optimize via Partial Prerendering and Streaming on high-traffic apps, implement React/Next caching with revalidation, secure APIs via middleware and NextAuth, deploy on Vercel with GitHub Actions CI/CD, measure boosts via Lighthouse (scores >95%), generate deliverables like a custom analytics dashboard, apply edge best practices for <100ms latency, leave with production-ready expert source code.

Evaluation method

Daily interactive quizzes, graded practical exercises, certified Qualiopi final project.

Learning method

80% hands-on real projects, 20% applied theory, live personalized feedback.

Methods, materials and delivery

The Training Next.js Expert - Master Scalable Ultra-High-Performance Apps program is delivered onsite or remote (blended-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 Expert - Master Scalable Ultra-High-Performance 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 Expert - Master Scalable Ultra-High-Performance 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 built for corporate L&D budgets and delivered onsite or remotely.

The Learni story

Founded by engineers and learning experts, Learni's mission is to make high-impact tech training accessible to teams everywhere. We work remotely with organizations across the US and Canada, in your time zone, to help teams upskill fast.

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.

A child walking to school with a backpack

Our social commitment

A school kit donated to a child for every training booked

To fight inequalities in access to education, Learni donates a complete school kit to a child in need for every training booked. You build your skills, a child heads back to school.

Backpack, notebooks and essential supplies
Distributed through our partner charities
Included, at no extra cost to you

Enroll and offer a kit

FAQ

Frequently asked questions

Which tools are used in Next.js Expert training?+

Hands-on work runs on next.js, react Server, typeScript, streaming, vercel and caching. Those tools come from the Next.js Expert program itself, delivered on site over 2 days, so participants practise on the stack they will use at work.

What can participants do after Next.js Expert training?+

They can master the App Router and nested layouts in Next.js 14+, implement secure Server Components and Server Actions and optimize performance via Streaming, Suspense, and Partial Prerendering. Those are the stated objectives of the Next.js Expert program at Expert level, checked by the end-of-session assessment.

What does the Next.js Expert program cover, day by day?+

Day 1: App Router and Server Components: Implement Hybrid Architectures (Next.js, React Server, TypeScript). Day 2: Optimizations and Deployment: Boost Performance and Scalability (Streaming, Vercel, Caching). The Next.js Expert program runs over 2 days, delivered on site.

How is Next.js Expert training assessed?+

Assessment relies on daily interactive quizzes, graded practical exercises, certified Qualiopi final project. Learni issues a completion certificate together with the individual assessment report at the end of the Next.js Expert program, which an L&D team can file as evidence.

How much does Next.js Expert training cost per participant?+

Next.js Expert training is priced on quote. The amount depends on headcount, format and how far the syllabus is tailored to your team. A detailed quote is sent within one business day, and team pricing covers the whole group from the second participant.

How long does Next.js Expert training take?+

2 days, available live online (US time zones) or on-site at your offices. Half-day tracks spread over several weeks are possible so the team stays operational.

Who pays for Next.js Expert training?+

Most US teams pay directly through their company L&D or training budget. Learni invoices in US dollars and accepts bank transfer (ACH/wire) or card, with volume pricing for teams. A purchase order is welcome.

What do participants need to know before Next.js Expert training?+

Advanced React mastery (hooks, state management), expert TypeScript, Node.js, REST/GraphQL APIs, cloud deployment.

Is a certificate issued after Next.js Expert training?+

Yes. A Learni completion certificate is issued, along with the individual evaluation report. Learni is a certified training provider and prepares for third-party certifications, but does not award them itself.

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