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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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Artificial Intelligence training in Mesa in September 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Artificial Intelligence training in Glasgow in June 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.
The Training Web3.js - Master Scalable Ethereum 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 Training Web3.js - Master Scalable Ethereum 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 Training Web3.js - Master Scalable Ethereum 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 optimized RPC connections, configure multiple providers for high availability, manipulate dynamic ABIs via JSON/bytecode, perform exercises on batch requests to reduce latency by 80%, build a custom provider wrapper with automatic fallback, test live on Sepolia testnets, deliverable: robust production-ready connection script.
Master EIP-712 signatures, deploy batch transactions for up to 70% gas savings, integrate Gnosis Safe multisig via Web3.js, simulate bundles via MEV, code exercises on Gas Station Network relayers, analyze EVM traces for debugging, produce a reusable transaction manager module with retry logic, ready to scale your DApps without excessive fees.
Decode complex ABI calls for UUPS proxies, migrate contracts via Web3.js without downtime, implement factories for scalable deployments, practice on OpenZeppelin upgrades, test cross-contract interactions with callbacks, build a live contract monitoring dashboard, deliverable: upgradeable contracts toolkit, boost your professional deployments.
Filter massive logs via bloom filters, subscribe to websockets for live streams, aggregate events into TheGraph-like dashboards, integrate Dune Analytics queries via Web3.js, code whale transaction monitoring bots, analyze MEV patterns in real exercises, deploy a custom event indexer, transform blockchain data into actionable insights.
Secure ENS resolutions and wallet connects via SIWE, integrate Chainlink oracles for reliable off-chain data, upload IPFS metadata via Web3.js, debug via parity traces and revm simulations, protect against reentrancy/exploits, finalize complete DApp project with multisig and monitoring, deliverable: secure full-stack GitHub repo, certify your expert skills.
Target audience
Senior blockchain developers, Ethereum engineers, lead DApp devs advancing to expert level.
Prerequisites
Advanced mastery of JavaScript ES6+, expert Solidity, EVM and RPC providers, real Ethereum projects.
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