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 advanced Solidity expertise, 70% of smart contracts suffer exploits like Ronin (625M$ stolen) or Poly Network (611M$).
Excessive gas inflates costs by 50% on Layer 2, missed audits expose to reentrancy (The DAO, 50M$).
Miss proxy upgrades, your DAOs lock on irrecoverable bugs.
Lose 40% competitiveness against certified devs.
Invest 28h to secure millions, scale DeFi flawlessly, dominate Web3 audits.
Dive into inline assemblies, custom errors and optimized storage, code reusable libraries to reduce gas by 40%, test via Foundry with intensive fuzzing, analyze patterns like diamond proxy on real Uniswap V3 cases, produce a deliverable: gas-efficient library deployed on testnet.
Master EIP-4844 blobs and ERC-4337 account abstraction, refactor contracts for zk-rollups, simulate gas wars with Hardhat exercises, integrate blobs for cheap data, measure gains up to 90% on Polygon, deliverable: optimized contract deployed on Sepolia with performance report.
Detect sandwich attacks and MEV via Slither scans, implement emergency pauses and Gnosis multisig, fuzz with Echidna on 1000+ scenarios, audit protocols like Aave flashloans, simulate Ronin hacks (625M$ lost), deliverable: full DeFi contract audit with fixes.
Build yield farm with Chainlink oracles, deploy upgradable DAO via OpenZeppelin, integrate EIP-2612 permits for gasless approvals, test end-to-end on Anvil mainnet fork, challenge on NFT fractional ownership, deliverable: complete DeFi protocol with governance, deployed and pitched in groups.
The Solidity Expert Training - Develop Secure Smart Contracts 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 Solidity Expert Training - Develop Secure Smart Contracts 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 Solidity Expert Training - Develop Secure Smart Contracts 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.
Registration is possible up to 48 business hours before the start of training. All our programs are eligible for corporate training budgets and employer-funded plans.
« 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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