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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 San Francisco in October 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
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The Advanced Fastify Training - Ultra-High-Performance and Scalable APIs 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 Advanced Fastify Training - Ultra-High-Performance and Scalable APIs 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 Advanced Fastify Training - Ultra-High-Performance and Scalable APIs 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 custom plugins, configure dependency injection, define rigorous JSON schemas with Ajv to validate inputs and outputs, explore lifecycle hooks to intercept requests, complete exercises on an e-commerce API project, produce immediately testable deliverables, gain speed from the first day.
Accelerate your APIs via streaming and compression, integrate Fastify-swagger for auto-generated docs, optimize routes with regex and pre-validation, simulate high loads on real cases like a payment service, measure 5x throughput gains, create custom middlewares, leave with a scalable production-ready server.
Implement advanced JWT with refresh tokens, enable rate limiting and secure CORS, connect Prisma for SQL or Mongoose for NoSQL, manage ACID transactions, test on banking intrusion scenarios, develop a complete auth module, secure your APIs against 99% of common attacks, boost your security expertise.
Deploy in PM2 cluster and Docker Compose, automate CI/CD with GitHub Actions, write unit/integration tests with Tap, aim for 90% coverage, debug live on microservices, finalize a full-stack deliverable API project, master monitoring with Prometheus, launch your first confident Fastify production.
Target audience
Senior Node.js developers, backend architects, technical leads upskilling on high-performance APIs.
Prerequisites
Mastery of Node.js, Express.js or similar framework, JavaScript/TypeScript ES6+, REST API management.
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