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.

To fight inequalities in access to education, Learni donates a complete school kit to a child in need for every training booked. You build your skills, a child heads back to school.
Founded by engineers and learning experts, Learni's mission is to make high-impact tech training accessible to teams everywhere. We work remotely with organizations across the US and Canada, in your time zone, to help teams upskill fast.
Don't let this gap widen
Without expert Hardhat mastery, 70% of deployments fail due to faulty configs, exposing you to hacks like the 600M$ lost in 2022 on Ronin (test errors).
Your gas-inefficient contracts cost 40% more in fees, delaying launches and losing investors.
Manual audits miss 25% of reentrancy vulnerabilities, leading to lawsuits and reputational losses.
In production, lack of CI/CD multiplies bugs by 5, with critical DeFi downtimes.
Invest 35h to avoid these pitfalls, deploy securely and scalably starting tomorrow.
Install Hardhat in a real Ethereum project, configure hardhat.config.js with custom networks, advanced compilers, explore essential plugins like @nomicfoundation/hardhat-toolbox, perform your first compile and local test, generate coverage reports, while resolving concrete multi-chain cases to boost your productivity from day 1.
Create dynamic deployment scripts with HRE, manage environment variables, implement proxy upgrades with OpenZeppelin, deploy to Sepolia and Goerli, verify transactions via Etherscan API, produce verifiable artifacts, apply to a complete DeFi DApp to master scalable and secure deployments.
Develop exhaustive test suites with Hardhat fixtures, integrate Chai matchers for precise assertions, simulate mainnet forks, test reentrancy and gas limits, generate detailed HTML reports, debug with stack traces, apply to ERC-721/1155 contracts for 100% coverage and early vulnerability detection.
Integrate gas-reporter and storage-layout plugins, optimize contracts via Slither static analysis, verify source code on Etherscan, configure Tenderly for simulations, profile gas on mainnet fork, produce automated audits, test on a lending protocol to reduce costs by 30% and accelerate Web3 launches.
Automate CI/CD pipelines with GitHub Actions and Hardhat tasks, integrate Tenderly and The Graph monitoring, deploy with zero downtime, manage multisig via Gnosis Safe, simulate advanced attacks, finalize a capstone project deployed and indexed, leave with a pro workflow to scale smart contracts in production flawlessly.
The Hardhat Training - Deploy Advanced Ethereum Smart Contracts program is delivered onsite or remote (blended-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 Hardhat Training - Deploy Advanced Ethereum 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 Hardhat Training - Deploy Advanced Ethereum 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 built for corporate L&D budgets and delivered onsite or remotely.
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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Data AnalysisIndustry-certifiedAvailable on-site and remotely. Pick your city to see the local training center.
30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.