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Victor – Solidity, React, GraphQL, experts in Lemon.io

Victor

From Chile (UTC-3)flag

Solidity Developer|Senior
Blockchain Engineer|Senior
Lemon.io stats
1
projects done
201
hours worked

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!

12 years of commercial experience in
Art and creativity
Asset management
Blockchain
Computer science
Cryptocurrency
Fintech
NFT
Real estate
Scientific research
Platforms
Main technologies
Solidity
6 years
Additional skills
React
GraphQL
Node.js
Angular
.NET
Nest.js
Typescript
Crypto
Cryptography
Hyperledger
ERC20
ERC721
Web 3.0
Direct hire
Possible
Ready to get matched with vetted developers fast?
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Experience Highlights

Blockchain Developer and Researcher
Feb 2020 - Ongoing6 years
Project Overview

R&D for a secure Tokenization Platform for Real World Assets. It is an exchange where software is built with SOC-2 compliance.

Responsibilities:
  • Researched, audited and forked open source code bases;
  • Focused on custodian safety, auditability, and production reliability;
  • Worked primarily for EVM, responsible for hosting and maintaining private blockchains such as Hyperledger Besu;
  • Created demos and full environments with Hyperledger;
  • Maintained thegraph.com private nodes and EVM block explorer;
  • Acted as a Team Lead and Project Manager.
Project Tech stack:
Blockchain
Hyperledger
Angular
Figma
React
Senior Blockchain Developer
Sep 2025 - Nov 20252 months
Project Overview

Worked as a Lemon Developer on a contract basis for Zero Protocol Chronicles. It was for an ai-related book series that was recently released with some interesting on chain dynamics.

Responsibilities:
  • Helped create NFT environment with ZPC team;
  • Put together staking and yield bearing contracts with full test coverage;
  • Created GraphQL mappings and react frontend for their future endeavors;
  • Delivered with full documentation as a turnkey solution that can be used by developers in the future to deploy their token ecosystem.
Project Tech stack:
Solidity
Typescript
React
Solidity Developer and Full-stack Developer
Aug 2022 - Feb 20236 months
Project Overview

Subscription service for ERC20 tokens, similar to the stripe for credit cards, with a complete end-to-end project delivered.

Responsibilities:
  • 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.
Project Tech stack:
Solidity
GraphQL
Nest.js
Node.js
React
Typescript
Solidity and Back-end Developer
Jul 2022 - Nov 20223 months
Project Overview

Created a novel system for burning NFTs and creating new ones with the same traits.

Responsibilities:
  • 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.
Project Tech stack:
React
GraphQL
Solidity
Typescript
Engineering Manager and Lead Solidity Developer
Dec 2020 - Sep 20221 year 8 months
Project Overview

A large NFT token project for digital art.

Responsibilities:
  • 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.
Project Tech stack:
Solidity
GraphQL
Typescript
React
Middleware Engineer
Jan 2019 - Oct 20199 months
Project Overview

A platform for digitizing real-world assets represented as security tokens and operated through smart contracts.

Responsibilities:
  • 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.
Project Tech stack:
Solidity
Typescript

Education

2014
Computer Engineering
Bachelors

Languages

English
Advanced

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