![Victor – Solidity, React, GraphQL, experts in Lemon.io](https://magic.lemon.io/lemon-avatar.png)
Victor
From Chile (GMT-3)
11 years of commercial experience
Lemon.io stats
Victor – Solidity, React, GraphQL
Victor is an experienced Senior Solidity developer with 6 years of experience. During his technical interview, he demonstrated extensive experience and a proven track record of delivering high-quality software solutions. He is particularly interested in smart contracts, NFTs, DeFi, Uniswap, and middleware. Additionally, he has worked as a Lead Developer and collaborated with the Polygon team on a project to create the first-ever ERC721.ERC1155 combo bridge. He is a valuable asset to any blockchain development team!
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Potentially possibleExperience Highlights
Blockchain Engineer
Tokenization platform for bringing real-world assets, companies, and real estate on the chain.
- Worked with thegraph.com technology to set up custom Graph nodes;
- Managed QA team and have managed other developers working on the product;
- Included frontend, backend, and admin panel sub-projects in a very complex solution overall.
Solidity Developer and Full-stack Developer
Subscription service for ERC20 tokens, similar to the stripe for credit cards, with a complete end-to-end project delivered.
- Successfully delivered a Full-stack project utilizing Solidity smart contracts;
- Established a live feed API to track real-time events occurring on the chain;
- Streamlined the customer onboarding process for merchants with a single transaction;
- Implemented a Cron service allowing for Unisub to process merchant's customers' payments, completely hands-off and safer than trusting credit card companies.
Solidity and Back-end Developer
Created a novel system for burning NFTs and creating new ones with the same traits.
- Created a system for burning existing NFTs, selecting traits from them, and sending them to a Back-end for validation;
- Used Back-end off-chain signature technology to validate burning 2+ NFTs and minting a new NFT;
- Sent info back to React Front-end, where users could burn NFTs and mint a new NFT with the old traits in a single transaction, creating new PFPs that were a combination of several old ones to create something very novel in the space;
- Audited old contracts and made a new contract with best practices in Solidity.
Engineering Manager and Lead Solidity Developer
A large NFT token project for digital art.
- Led and provided guidance to a team of four Web3 Engineers proficient in React, overseeing their training and development;
- Oversaw management of large staking pools with significant amounts of assets under management;
- Collaborated directly with the Polygon team to create the first-ever ERC721.ERC1155 combo bridge;
- Built marketplaces, auction house, Polygon Bridges, and Staking Pools;
- Facilitated the highest Polygon NFT single sales to date, utilizing the contracts that I deployed.
Middleware Engineer
A platform for digitizing real-world assets represented as security tokens and operated through smart contracts.
- Worked on middleware for the polymath team;
- Did SDK's and wrote in complex Typescript to filter information from Blockchain;
- Read smart contracts and made recommendations for better use of contracts and technical improvements.