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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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Don't let this gap widen
Without expert WebSocket mastery, your real-time apps risk latencies over 500ms, causing 40% user drop-offs according to Stack Overflow studies.
WSS security breaches expose to DDoS attacks, with 25% of incidents reported by OWASP.
Faulty scaling leads to crashes under 10k simultaneous connections, losing up to 200k€/an in revenue for SaaS.
Junior developers waste 3x more time debugging without optimized protocols.
Invest 14h to avoid these pitfalls, scale to millions of users, and dominate the real-time market.
The Training WebSocket - Master Scalable Real-Time Apps 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 Training WebSocket - Master Scalable Real-Time Apps 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 Training WebSocket - Master Scalable Real-Time Apps 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 the WebSocket protocol by coding custom handshakes, manage binary framing with Node.js and the ws library exercises, test multiplexed real-time messages via Socket.io, analyze scalable chat case studies, build a functional prototype with detailed logs, while mastering HTTP fallbacks for optimal resilience.
Advance to expertise by securing WSS connections with TLS and JWT, scale via Redis Pub/Sub and NGINX load balancer in practical workshops, integrate with React frontends for live dashboards, deploy on Docker Swarm with Prometheus monitoring, resolve massive disconnection scenarios, and deliver a production-ready project that boosts your apps 10x in performance.
Target audience
Senior backend developers, fullstack architects, lead developers upskilling on real-time protocols.
Prerequisites
Expertise in JavaScript/TypeScript, advanced Node.js, HTTP/REST APIs, TCP/IP and networking basics.
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