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.
Complete installation and configuration of the advanced Polygon environment with Hardhat and Polygon SDK, connection to Mumbai and Mainnet RPC nodes via Alchemy or Infura, creation and deployment of the first smart contract on Polygon testnet, exploration of Layer 2 specifics such as checkpoints and Plasma, practical exercises on migrating from Ethereum to Polygon, transaction validation with code review by the trainer for a solid professional foundation.
Writing complex Solidity smart contracts tailored to Polygon with gas optimization, integration of ethers.js for secure frontend-backend interactions, implementation of advanced patterns such as upgradeable proxies and factories, exhaustive unit tests with Hardhat and Chai, multi-chain deployment with automated scripts, real enterprise cases like ERC20/721 tokens on Polygon, production of tested and documented deliverables for a certifying portfolio.
Configuration of official Polygon bridges for bidirectional ETH/MATIC and ERC token transfers, use of PoS Bridge for secure lock/mint operations, exploration of Plasma Bridge for full withdrawals, development of user interfaces with Web3Modal and WalletConnect, simulation of high-load cross-chain scenarios, security risk management such as reentrancy, exercises on your red thread project with real-time monitoring, creation of enterprise traceability dashboards.
Deep dive into Polygon zkEVM for zero-knowledge proofs and infinite scalability, configuration of AggLayer for ZK chain interoperability, advanced contract optimization with Slither and gas profilers, implementation of transaction batching and state channels, performance benchmarks vs Ethereum L1, practical workshops on refactoring existing dApps to Polygon, development of enterprise solutions like scalable DeFi, deliverables including quantified optimization reports.
CI/CD automation for Polygon with GitHub Actions and Vercel, serverless dApp deployment with IPFS and Polygon Edge, integration of The Graph subgraphs for fast indexing queries, monitoring setup with Sentry and Tenderly for real-time alerts, smart contract security audits via Slither and Mythril, finalization of the red thread project with high availability, delivery of Qualiopi certificates and post-training roadmap for immediate enterprise integration.
The Training Polygon - Developing Scalable Layer 2 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 Polygon - Developing Scalable Layer 2 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 Polygon - Developing Scalable Layer 2 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.
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