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 this advanced training, risk obsolescence: 70% of JS devs stagnate on ES5, losing 25% of freelance projects according to Stack Overflow.
Your slow apps generate 40% user drop-offs, costing thousands in churn.
Competitors mastering async/await secure +30% salaries (average 65k€/year).
Avoid critical production bugs, like 60% unmanaged memory leaks.
Miss internal promotions without advanced prototypes.
Invest 35h to double productivity, secure your career, and dominate the exploding JS market (+22% job offers 2024).
Dive into ES6+ by refactoring legacy code with destructuring, spread operators, and template literals. Complete practical exercises on classes and inheritance. Build a functional import/export module. Test live with Babel to transform your development approach and gain immediate productivity on real refactoring cases.
Deepen asynchronous programming by chaining Promises for multiple API calls. Implement async/await in real scenarios like fetching from remote endpoints. Handle rejections with try/catch. Simulate network latencies through interactive exercises. Produce a robust script for a dynamic dashboard, transforming your apps into smooth, reactive experiences.
Explore closures for secure private modules. Manipulate prototypal inheritance for performant objects. Apply patterns like Observer and Singleton to enterprise cases. Code collaborative exercises in pair programming. Generate testable deliverables with Jest. Unlock JavaScript's hidden potential for elegant architectures.
Optimize with Web Workers for CPU-intensive tasks. Integrate Service Workers for offline-first PWAs. Profile memory via Chrome DevTools on real apps. Reduce memory leaks through targeted exercises. Benchmark before/after with Lighthouse. Deploy measurable gains up to 40% faster, propelling your projects to technical excellence.
Build a fullstack app with Node.js and bundlers like Webpack. Integrate CI/CD via GitHub Actions. Review security and scalability best practices. Present your project in a final pitch. Receive personalized feedback. Leave with a concrete portfolio and certificate to boost your career immediately.
The Training JavaScript Advanced - Master ES6+ and 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 Training JavaScript Advanced - Master ES6+ and 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 Training JavaScript Advanced - Master ES6+ and 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.
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.
« 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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Développement WebIndustry-certified
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Frameworks & BibliothèquesIndustry-certified
Frameworks & BibliothèquesIndustry-certified
Frameworks & BibliothèquesIndustry-certified
Frameworks & BibliothèquesIndustry-certified
Frameworks & BibliothèquesIndustry-certified
Langages de ProgrammationIndustry-certified
Langages de ProgrammationIndustry-certified
Langages de ProgrammationIndustry-certified
Langages de ProgrammationIndustry-certified
Langages de ProgrammationIndustry-certified
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Développement de Jeux VidéoIndustry-certified
Développement de Jeux VidéoIndustry-certified
Développement de Jeux VidéoIndustry-certified
Développement de Jeux VidéoIndustry-certified30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.