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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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Artificial Intelligence training in Cardiff in May 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Professional Training training in Memphis in October 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Cybersecurity training in Sheffield in November 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Artificial Intelligence training in Raleigh in June 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Don't let this gap widen
Without expert mastery of Ethereum, your smart contracts risk massive hacks like the $600M lost on Ronin in 2022 or Poly Network.
Non-optimized gas fees inflate your costs by 50-200% per transaction, blocking scalability.
Ignoring Layer 2 exposes you to network congestion, losing lucrative DeFi opportunities.
Missing audits lead to reentrancy exploits, draining pools by 30% in minutes.
Stay vulnerable to agile competition, miss 7-figure contracts, and hinder your blockchain career.
The Ethereum Expert Training - Deploy Secure and Optimized dApps 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 Ethereum Expert Training - Deploy Secure and Optimized dApps 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 Ethereum Expert Training - Deploy Secure and Optimized dApps 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 Ethereum smart contract development by handling upgradable proxies and advanced patterns with Hardhat and Foundry, complete hands-on exercises on modular contracts, test with fuzzing and invariant checks, produce deployable deliverables on testnets, optimize bytecode to reduce gas costs by 40%, experience the thrill of coding production-ready solutions that scale.
Build complete Ethereum dApps by integrating Layer 2 like Arbitrum, develop DeFi protocols inspired by Uniswap with security audits against reentrancy, index data via The Graph and IPFS for decentralized frontends, simulate flash loans and attacks in real cases, generate interactive dashboards, feel the power of mastering Ethereum for innovative and profitable projects.
Target audience
Senior Solidity developers, blockchain engineers, DeFi architects upskilling.
Prerequisites
Advanced mastery of Solidity, experience deploying smart contracts, knowledge of EVM and tools like Hardhat.
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