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.
Founded by passionate learning and innovation experts, Learni's mission is to make professional training accessible to everyone, anywhere in the world. Our team operates in major hubs — London, New York, Boston — and internationally, to support talents and organizations in upskilling.
Don't let this gap widen
Without this upskilling, your team accumulates a technological gap that translates directly into productivity loss.
Organizations that don't train their talents on key topics see their competitiveness drop.
Every quarter without training is a gap widening with competitors who invest.
The cost of inaction quickly exceeds that of well-targeted training.
Quick installation of the Ethers.js v6 environment in Node.js, connection to public providers like Infura or Alchemy, creation of a first wallet via ethers.Wallet, exploration of the Ethereum mainnet and testnets blockchain, practical exercises on retrieving ETH and ERC20 token balances, development of a simple block reading script with personalized code review to validate your professional skills from the first day.
Loading ABI of existing smart contracts via Ethers.js, instantiation of Contract instances to interact with DeFi protocols like Uniswap, writing read-only functions for real-time queries, setting up a Hardhat project integrated with Ethers.js, real business cases on querying past events, production of a basic dashboard displaying on-chain data to demonstrate immediate value in certified training.
Generation and signing of transactions with ethers.Signer, estimation and optimization of gas fees to avoid overcosts, sending transactions to ERC721 and ERC1155 smart contracts, simulation of NFT minting operations on Sepolia testnet, management of confirmations and receipts via waitForTransaction, exercises on real business scenarios like tokenized payments, delivery of an automated script ready for enterprise production.
Setup of event listeners with ethers.Interface and provider.on, parsing Transfer logs for ERC20 tokens live, integration of Ethers.js into a React frontend app via Vite, development of a user interface reactive to on-chain changes, practical cases on multicall for batching queries, creation of a red thread project with real-time notifications, highlighting your Web3 skills for rapid professional deployments.
Deployment of a complete Ethers.js DApp on Vercel with MetaMask wallet connection, advanced gas optimization via batching and multicall, security audit of contract interactions to prevent reentrancy, end-to-end tests on mainnet fork via Hardhat, finalization of the red thread project with complete documentation, provision of certifying resources and action plan to integrate Ethers.js into your enterprise projects right after the training.
The Training Ethers.js - Interacting with Ethereum and Web3 program is delivered onsite or remote (blended-learning, e-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.
For the smooth delivery of the Training Ethers.js - Interacting with Ethereum and Web3 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.
Assessment of skills acquired during the Training Ethers.js - Interacting with Ethereum and Web3 program is performed through:
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.
Learni programs are available inter-company and intra-company, onsite or remote. Enrollments are possible up to 48 business hours before the program starts. Our programs are eligible for corporate funding paths. Contact us to discuss your training project and funding options.
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
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.
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
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.
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Analyse de DonnéesIndustry-certified30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.