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.
1 seat held for the next session
Request a call back and an advisor reaches you within 24 business hours, Monday to Saturday.

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 mastery of Polygon 2026, your dApps on Ethereum face gas fees multiplied by 10, driving explosive operational costs up to 50 000€ annually per project.
Untrained teams lose 60% of time on slow transactions, missing 70% of Web3 opportunities in 2026.
Each scalability incident costs an average 25% user loss, halting company growth.
Recruiters reject 80% of profiles without layer 2, jeopardizing your career shift.
Act now to scale without limits.
Immersive discovery of the Polygon 2026 ecosystem, quick installation of the development environment via MetaMask and Hardhat, exploration of the layer 2 architecture to scale Ethereum, first deployments of simple contracts on Mumbai testnet, practical exercises on real use cases like NFTs, creation of your first Polygon 2026 wallet with secure key management, and analysis of reduced gas fees to boost your professional projects.
Hands-on dive into Solidity adapted for Polygon 2026, writing and testing smart contracts via Remix IDE and Truffle, integration of cross-chain bridges to migrate assets from Ethereum, simulations of scalable transactions with up to 2000 TPS, solving concrete cases like a decentralized marketplace, automated deployment via Hardhat scripts, and code optimization for enterprise performance, with personalized feedback from the trainer on your deliverables.
Full construction of a full-stack dApp connected to Polygon 2026, front-end integration with React and Web3.js for smooth user interactions, data querying via The Graph for decentralized indexing, deployment on IPFS and Vercel with CI/CD, security tests against reentrancy and monitoring via Polygonscan, finalization of a professional ongoing project like a basic DeFi app, and scalable production rollout plan for your company.
The Training Polygon 2026 - Deploying Scalable dApps on Layer 2 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 Training Polygon 2026 - Deploying Scalable dApps on Layer 2 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 2026 - Deploying Scalable dApps on Layer 2 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.
Blockchain & Web3Industry-certified
Blockchain & Web3Industry-certified
Blockchain & Web3Industry-certified
Blockchain & Web3Industry-certified
Blockchain & Web3Industry-certified
Blockchain & Web3Industry-certified
Storage & backupIndustry-certified
Storage & backupIndustry-certified
Storage & backupIndustry-certified
Social mediaIndustry-certified
Social mediaIndustry-certified
Social mediaIndustry-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.
We will call +1 (United States) 🇺🇸 — change the country code on the left if your number is from elsewhere.