leobelizquierdo
Senior Software Engineer
Senior software engineer with 10+ years of experience building reliable, high-performance software across web, mobile, and backend systems. Strong background in APIs, Web3, Blockchain, UX/UI and scalable architectures.
Experience: 10 years
Yearly salary: $110,000
Hourly rate: $60
Nationality: 🇺🇾 Uruguay
Residency: 🇺🇾 Uruguay
Experience
Co-founder
Tangocrypto 2021 - 2023
Co-founded and led end-to-end development of a scalable Web3 SaaS API-first startup. Built NFT minting service, custom IPFS gateway, real-time event notifications and in-house payment gateway, achieving a 99.9% availability with average response time of ~200ms. Ensured data security through cryptographic measures, protecting more than 5M ADA (Cardano Token) in revenue from our clients. Led a development team, resulting in a platform with a seamless user experience and a solid infrastructure capable of process thousand of requests per second. Created and implemented a highly scalable on-edge Payment Gateway Interface, significantly reducing latency during platform checkout processes. Implemented CIP68 specification for seamless integration of dynamic NFT minting in the Tangocrypto platform, with support for staking and native script capabilities. Designed and developed a robust dashboard empowering real-time decision-making through efficient management of business logic and analytics.
Skills
aws
backend
blockchain
docker
front-end
serverless
zk-snark
node
english
spanish