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.
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Program
Discover the evolutions of Express 2026 with quick installation via npm, configuration of a high-performance server, creation of dynamic routes, and custom middlewares for logging and authentication. Practice on concrete REST API cases, integrate data validators with Joi, test in real-time with Postman, and produce a first deployable functional prototype, while exploring Node.js optimizations for immediate scalability.
Dive into developing complete REST APIs under Express 2026, implement secure CRUD operations, manage request validation with express-validator, add intelligent pagination and sorting for large data volumes. Work on practical exercises with MongoDB databases via Mongoose, integrate lifecycle hooks for auditing, test endpoints with automated suites via Jest, and deliver a paginated API ready for enterprise production.
Strengthen your Express 2026 APIs against common threats by implementing stateless JWT authentication, configuring advanced CORS for cross-origin frontends, enabling rate limiting with express-rate-limit, and helmets for secure headers. Apply these techniques to real microservices scenarios, practice simulated attacks like SQL injection and XSS, integrate OAuth2, and generate reports on fixed vulnerabilities, ensuring GDPR compliance for your professional projects.
Design distributed microservices architectures with Express 2026, enable Node.js clustering for high availability, integrate Redis for caching and shared sessions, use Kafka for asynchronous messaging between services. Develop practical exercises for service discovery with Consul, test resilience under load with Artillery, monitor via Prometheus and Grafana, and deploy a scalable cluster simulating an enterprise ecosystem, with deliverables ready for Docker.
Finalize your skills by deploying Express 2026 apps in production via Docker and basic Kubernetes, configure CI/CD with GitHub Actions, integrate PM2 for process management and New Relic for real-time monitoring. Practice zero-downtime deployments, analyze logs with Winston and ELK stack, optimize performance under high traffic, and produce a complete pipeline with observability dashboard, certifying your skills for critical professional environments.
The Training Express 2026 - Developing Scalable and Secure 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.
Equipment required
For the smooth delivery of the Training Express 2026 - Developing 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.
Skills assessment methods
Assessment of skills acquired during the Training Express 2026 - Developing Scalable and Secure APIs program is performed through:
Program accessibility
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.
Enrollment terms and lead times
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.
The Learni story
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.
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.
Rigorous trainer selection
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
You meet the trainer beforehand
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
Content tailored to your context
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
Continuous quality follow-up
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.

A school kit donated to a child for every training booked
To fight inequalities in access to education, Learni donates a complete school kit to a child in need for every training booked. You build your skills, a child heads back to school.
30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.
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