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 passionate learning and innovation experts, Learni's mission is to make professional training accessible to everyone, anywhere in the world. Our team operates in major hubs — London, New York, Boston — and internationally, to support talents and organizations in upskilling.
Don't let this gap widen
Without advanced Express expertise, your APIs saturate at 1000 req/s, causing 30% customer churn due to latency frustrations.
OWASP security breaches expose 40% of user data, generating GDPR fines up to 4% of revenue.
Manual deploys fail 70% of the time, delaying product launches by weeks.
Unoptimized performance inflates cloud costs x3, AWS bills explode.
Competitors on Next.js/Express scale 10x better, leaving you 25% market share behind.
Invest 28h to avoid 50k€ annual losses, transform vulnerabilities into competitive advantages tomorrow.
Dive into refactoring your routing with Express Router for modular APIs, configure custom middlewares for JWT authentication and structured logging with Winston, complete exercises on real e-commerce cases, build a secure user API prototype, test data flows live, gain fluidity and scalability from the first session.
Master native Node clustering for multi-core usage, integrate Redis for intelligent caching and distributed sessions, apply Gzip compression to heavy APIs, simulate loads with Artillery to identify bottlenecks, optimize concrete analytics dashboard cases, generate before/after performance reports, feel the immediate acceleration of your apps.
Strengthen security with Express-rate-limit rate limiting and strict Joi validation, implement OWASP top 10 protections via dedicated middlewares, write end-to-end tests with Supertest and Jest, challenge SQLi/XSS attack scenarios on vulnerable APIs, produce a test suite with 90% coverage, validate defenses in groups, leave with an impenetrable API.
Containerize your Express apps with multi-stage Docker, orchestrate on Kubernetes for auto-scaling, deploy via PM2 in cluster mode, integrate CI/CD GitHub Actions for microservices, migrate a monolith to decomposed services live, generate production-ready Helm charts and manifests, celebrate zero-downtime deployment, launch your projects with confidence.
The Express Training - Develop Scalable and Secure APIs program is delivered onsite or remote (blended-learning, e-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 Express Training - Develop Scalable and Secure 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 Express Training - Develop Scalable and Secure 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.
Learni programs are available inter-company and intra-company, onsite or remote. Enrollments are possible up to 48 business hours before the program starts. Our programs are eligible for corporate funding paths. Contact us to discuss your training project and funding options.
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
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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Cloud ComputingIndustry-certified30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.