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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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Artificial Intelligence training in Cardiff in May 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Professional Training training in Memphis in October 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Artificial Intelligence training in Raleigh in June 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
No-Code / Low-Code training in Leeds in November 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Don't let this gap widen
Sans maîtrise du développement d’APIs performantes avec Fastify et Node.js, vos APIs Node.js accumulent des latences excessives, multipliant par 3 les temps de réponse et surchargeant les serveurs.
Cela génère en moyenne 12 000 € de pertes mensuelles en ressources cloud et bande passante, avec 40 % des utilisateurs qui abandonnent face à des performances médiocres.
65 % des incidents de production chez les entreprises tech proviennent de bottlenecks API non optimisés, compromettant la scalabilité et exposant votre carrière à l’obsolescence.
Chaque mois sans ces compétences aggrave les coûts et freine la croissance business.
The Maîtriser le Développement d’APIs Performantes avec Fastify et Node.js 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 Maîtriser le Développement d’APIs Performantes avec Fastify et Node.js 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 Maîtriser le Développement d’APIs Performantes avec Fastify et Node.js 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.
Découverte de Fastify : philosophie, avantages, installation. Création d’un projet Node.js avec Fastify. Construction de routes simples. Gestion des requêtes et réponses HTTP. Manipulation du cycle de vie d’une requête. Première API CRUD simple.
Gestion et validation des schémas avec JSON Schema. Utilisation des hooks Fastify pour intercepter et transformer les requêtes/réponses. Utilisation des middlewares, plugins et gestion avancée des erreurs. Introduction aux politiques de sécurité (CORS, Helmet, limitation du débit). Démonstrations pratiques.
Optimisation des performances (gestion du throughput, logs, analyses). Documentation automatisée avec Swagger (fastify-swagger). Authentification JWT/OAuth et gestion des sessions sécurisées. Tests automatisés (unitaires, intégration) avec tap/ava/jest. Bonnes pratiques pour le déploiement (Docker, hébergement cloud, CI/CD).
Target audience
Développeurs web, back-end, ou fullstack souhaitant créer des APIs modernes et performantes avec Node.js et Fastify
Prerequisites
Connaissance de base de Node.js et du JavaScript asynchrone
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