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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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Professional Training training in New York in September 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Explore the projected return on investment from no-code training programs for businesses by March 2026, including cost savings, productivity gains, and real-world case studies.
Professional Training training in Dallas in July 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
No-Code / Low-Code training in Leeds in November 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Don't let this gap widen
Without advanced React expertise, your apps suffer 3x slower renders in CPU, memory leaks causing 25% mobile crashes according to Google studies.
Chaotic state management generates 4x more bugs, +40% bounce rate and customer loss (Stack Overflow 2023 figures).
Endless debugging steals 30% dev productivity.
In 7 hours, avoid these pitfalls, double performance, scale without limits and secure critical projects against competition.
The Training React Expert - Optimize Performance and Advanced State 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 React Expert - Optimize Performance and Advanced State 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 React Expert - Optimize Performance and Advanced State 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 expert React through live exercises: create custom hooks for reusable logic, integrate React Query for optimized queries and intelligent caching, apply useMemo and useCallback on real components to boost performance by 50%, manage global state with Zustand on a concrete e-commerce case, profile with React DevTools, end with a scalable project deliverable that transforms your slow apps into smooth machines.
Target audience
Senior React developers, tech leads, frontend architects advancing their skills.
Prerequisites
Mastery of React (hooks, Context, components), JavaScript ES6+, 2 years of experience on complex apps.
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