Vyzaldy Rosario
Software Engineer at Chainlink Labs
Dominican Republic
Summary
🤩
Rockstar🎓
Top SchoolVyzaldy Rosario is a software engineer with 11 years of experience who blends backend systems and software architecture expertise with hands-on development in Go, JavaScript/TypeScript, and functional programming. Currently at Chainlink Labs, he contributes to a widely used decentralized oracle (Chainlink), implementing core backend endpoints and improving validation and logging for production-grade blockchain infrastructure. His background spans full-stack and serverless systems, DApps and Solidity, and scalable backend design for high-throughput decentralized ecosystems. A fast learner and collaborative teammate based in the Dominican Republic, he gravitates toward elegant architecture and pragmatic design patterns that make distributed systems more reliable. Notably, he brings practical blockchain experience from both core oracle work and decentralized casino platforms, giving him a rare mix of infrastructure-grade and application-level crypto expertise.
11 years of coding experience
7 years of employment as a software developer
Engineer's degree, Computer Software Engineering, Engineer's degree, Computer Software Engineering at Universidad APECFull Stack Web Development Certification, Computer Software Engineering, Full Stack Web Development Certification, Computer Software Engineering at Free Code CampTécnico en Informática, Informática, Técnico en Informática, Informática at Instituto Politécnico Cardenal SanchaSoftware Development Technologist, Computer Software Engineering, Software Development Technologist, Computer Software Engineering at Instituto Tecnológico de las Américas
English, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (13)
api-rest10
rest-api10
go10
api-design10
restful-api10
testing10
blockchain9
ethereum9
golang9
solidity8
oracle8
unit-testing8
oracles8
Programming languages (10)
Github contributions (5)
smartcontractkit/chainlink
Oct 2021 - Jan 2023
node of the decentralized oracle network, bridging on and off-chain computation
Role in this project:
Back-end Developer
Back-end DeveloperContributions:826 reviews, 159 commits, 230 PRs in 1 year 2 months
Contributions summary:Vyzaldy focused on developing and testing core backend functionalities within the Chainlink project. Their contributions involved creating new endpoints and tests for the chains controller, including the implementation of create, show, index, update, and delete operations. Furthermore, the user addressed issues related to logging and validator validation.
golangcomputationethereumblockchaindecentralized
vyzaldysanchez/pokedex
Dec 2017 - Oct 2019
A pokedex created using Laravel and React
Contributions:16 commits, 26 PRs, 20 pushes in 1 year 10 months
reactlaravel-mixjavascriptphpphp7
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