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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
Sans maîtrise experte Web3.js, 65% des DApps connaissent des bugs critiques, entraînant des pertes de 50k€ à 200k€ par incident selon Chainalysis.
Délais de développement doublent, gas fees explosent de 300%, exposant à hacks reentrancy coûteux.
Vos concurrents intègrent layer 2 en jours, pendant que vous luttez avec providers instables.
Risque de rejet utilisateurs : 80% abandonnent DApps lentes.
Investissez 21h pour éviter 6 mois de refactoring, sécurisez revenus DeFi et NFT, dominez le marché Web3 dès demain.
The Formation Web3.js Expert - Développez DApps blockchain avancées 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 Formation Web3.js Expert - Développez DApps blockchain avancées 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 Formation Web3.js Expert - Développez DApps blockchain avancées 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.
Plongez dans la configuration experte de providers multi-réseaux, testez connexions sécurisées avec Ganache et Infura, manipulez ABI pour decoder événements complexes, réalisez exercices pratiques sur wallets MetaMask, produisez un script de connexion optimisé prêt pour production, tout en maîtrisant les erreurs courantes pour des intégrations fluides.
Maîtrisez les transactions asynchrones avancées, codez appels mutables avec gas optimisé, souscrivez à des événements filtrés en temps réel, intégrez hybridation ethers.js pour performances supérieures, appliquez sur cas concrets DeFi, générez livrables comme un listener d'événements NFT, boostez votre expertise pour DApps réactives.
Construisez DApps full-stack avec IPFS pour stockage décentralisé, intégrez ENS pour résolutions noms, auditez sécurité contre reentrancy et front-running, déployez sur Polygon Optimism via Hardhat, réalisez un projet final audit-ready, exportez code source et rapport, repartez avec compétences pour scaler vos projets blockchain en production.
Target audience
Développeurs blockchain seniors, ingénieurs full-stack Web3, architectes DApps pour une montée en compétences avancée.
Prerequisites
Maîtrise JavaScript ES6+, expérience Ethereum et Solidity, développement décentralisé réalisé.
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