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Founded by passionate advocates of learning and innovation, Learni set out to make professional training accessible to everyone, everywhere in the world. Our team works in the largest cities such as Paris, Lyon, Marseille, and internationally, to support talents and organizations in their skills development.
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30 free minutes with a training advisor — no commitment.
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Don't let this gap widen
Without advanced Svelte expertise, your web apps risk load times over 3s, causing 53% user drop-offs according to Google.
Lose SEO opportunities with poor SSR management, increase production state bugs by 40%, and hinder your team with mediocre performance against React competition.
Invest 28h to gain 30% app speed, scale without limits, and boost project revenues by 25%.
Don't let your skills stagnate: become an expert now.
The Training Svelte Expert - Build Ultra-Reactive Web Apps training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.
The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.
To ensure the quality of the Training Svelte Expert - Build Ultra-Reactive Web Apps training, Learni provides the following teaching resources:
For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.
The assessment of skills acquired during the Training Svelte Expert - Build Ultra-Reactive Web Apps training is carried out through:
Learni is committed to the accessibility of its professional training programs. All our training programs are accessible to people with disabilities. Our teams are available to adapt teaching methods to your specific needs. Do not hesitate to contact us for any accommodation request.
Learni training programs are available for inter-company and intra-company settings, both in-person and remote. Registration is possible up to 48 business hours before the start of training. Our programs are eligible for OPCO, Pôle emploi, and FNE-Formation funding. Contact us to discuss your training project and funding possibilities.
Dive into Svelte 5 runes for surgical reactivity, profile your apps with built-in devtools, refactor existing code through practical exercises on real e-commerce cases, produce bundles 40% lighter, test live speed gains for fluid UIs that captivate users.
Build dynamic routes with SvelteKit, implement SSR for perfect Core Web Vitals, manage selective hydration on full-stack projects, integrate external APIs via hooks, deploy a live prototype by end of day, experience the power of a framework that boosts your productivity x3.
Create persistent stores with Svelte 5, synchronize complex states across multiple components, apply reactive patterns on a real-time dashboard app case, integrate RxJS for advanced streams, generate data flow diagrams, master pitfalls for clean, scalable code.
Write end-to-end tests with Vitest and Playwright, set up CI/CD pipelines on Vercel/Netlify, secure your apps with advanced authentication, analyze production metrics via Sentry, deliver a certified final project, adopt best practices that reduce bugs by 70% and accelerate deployments.
Target audience
Senior frontend developers, technical leads, web architects seeking to upskill in Svelte.
Prerequisites
Advanced mastery of JavaScript ES6+, solid experience in React or Vue.js, basics of Svelte and TypeScript.
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