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.
Dive into the evolution of Web3.js toward 2026 with installation of compatible environments for Polygon and Optimism, configuration of multiple providers for professional resilience, exploration of extended APIs for V6 smart contracts, practical exercises on connecting to Infura/Alchemy nodes, creation of a first scalable blockchain interaction script, unit tests with Mocha to validate live connections, and generation of an enterprise-ready setup report.
Master Web3.js 2026 transactions by managing dynamic ABIs for complex contracts, implement hardware signers like Ledger for certified security, optimize gas via batching and predictive estimates, practice on real DeFi cases with Uniswap V4 swaps, develop a real-time fee monitoring module, simulate network congestion scenarios, and produce an immediately applicable production blockchain optimization toolkit.
Deepen Web3.js calls to ERC-721/1155 smart contracts and DAO governance, set up event listeners for real-time streaming, deploy advanced filters on historical logs, integrate Gnosis multisig wallets for enterprise approvals, conduct exercises on live contract audits via Etherscan, build a custom events dashboard, and document reusable patterns to accelerate professional Web3 developments.
Integrate Web3.js 2026 with Chainlink oracles for reliable DeFi price feeds, configure cross-chain bridges like Wormhole for multi-network transfers, implement LayerZero protocols for inter-chain messaging, test on real arbitrage scenarios, develop an automated relayer with smart retries, analyze latency and security via simulations, and generate a scalable enterprise-ready cross-chain dApp prototype.
Finalize your Web3.js 2026 expertise by deploying dApps on Vercel/Netlify with IPFS pinning, strengthen security against reentrancy and frontrunning via advanced guards, integrate monitoring with The Graph and Tenderly, perform automated Slither audits, build a complete red-thread project with GitHub Actions CI/CD, present your dApp in a live defense, and receive a professional blockchain skills certificate.
The Training Web3.js 2026 - Developing Scalable Blockchain dApps 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 Web3.js 2026 - Developing Scalable Blockchain dApps 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 Web3.js 2026 - Developing Scalable Blockchain dApps 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.
Développement BlockchainIndustry-certified
Développement BlockchainIndustry-certified
Développement BlockchainIndustry-certified
Développement BlockchainIndustry-certified
Développement BlockchainIndustry-certified
Développement BlockchainIndustry-certified
Développement WebIndustry-certified
Développement WebIndustry-certified
Développement WebIndustry-certified
Développement WebIndustry-certified
Développement WebIndustry-certified
Développement WebIndustry-certified
CryptographieIndustry-certified
CryptographieIndustry-certified
CryptographieIndustry-certified
CryptographieIndustry-certified
CryptographieIndustry-certified
CryptographieIndustry-certified
Analyse de DonnéesIndustry-certified
Analyse de DonnéesIndustry-certified
Analyse de DonnéesIndustry-certified
Analyse de DonnéesIndustry-certified
Analyse de DonnéesIndustry-certified
Analyse de DonnéesIndustry-certified30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.