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 engineers and learning experts, Learni's mission is to make high-impact tech training accessible to teams everywhere. We work remotely with organizations across the US and Canada, in your time zone, to help teams upskill fast.
Don't let this gap widen
Without Fastify, your Node.js APIs remain slow, losing 40% speed vs competitors, costing 25% of customers in mobile e-commerce where 3s latency = cart abandonment.
Developing with Express doubles coding time, multiplying security bugs by 3 according to Stack Overflow, exposing to costly breaches (average 4M€).
Are you missing freelance opportunities at 80€/h higher?
70% of tech companies require lightweight frameworks like Fastify to scale.
Are you risking obsolescence against NestJS or Hapi, or boost your career today?
Dive into Fastify by installing the framework and creating a complete API server, configure plugins like @fastify/jwt, @fastify/cors and @fastify/merge-json-schemas, develop asynchronous routes with Ajv validation on real e-commerce cases, integrate hooks for logging and errors, perform unit tests with Tap on secure endpoints, and simulate a Docker deployment ready for production, while measuring speed gains x2 compared to Express.
The Training Fastify - Build Ultra-Fast Node.js APIs program is delivered onsite or remote (blended-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 Fastify - Build Ultra-Fast Node.js APIs 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 Fastify - Build Ultra-Fast Node.js APIs 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.
Registration is possible up to 48 business hours before the start of training. All our programs are built for corporate L&D budgets and delivered onsite or remotely.
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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JavaScript DevelopmentIndustry-certified
JavaScript DevelopmentIndustry-certified
JavaScript DevelopmentIndustry-certified
JavaScript DevelopmentIndustry-certified
JavaScript DevelopmentIndustry-certified
Web DevelopmentIndustry-certified
Web DevelopmentIndustry-certified
Web DevelopmentIndustry-certified
Web DevelopmentIndustry-certified
Web DevelopmentIndustry-certified
Web DevelopmentIndustry-certified
Frameworks & LibrariesIndustry-certified
Frameworks & LibrariesIndustry-certified
Frameworks & LibrariesIndustry-certified
Frameworks & LibrariesIndustry-certified
Frameworks & LibrariesIndustry-certified
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Data AnalysisIndustry-certified
Data AnalysisIndustry-certified
Data AnalysisIndustry-certified
Data AnalysisIndustry-certified
Data AnalysisIndustry-certified
Data AnalysisIndustry-certifiedAvailable on-site and remotely. Pick your city to see the local training center.
30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.