jsuisjuan

Junior Full Stack Developer

Computer Science student at CEFET/RJ (expected graduation: June 2026) with hands-on experience in blockchain development, full-stack engineering, and software design. During my internship at IBM, I contributed to building and optimizing systems using Hyperledger Fabric, Angular, and IBM Cloud, focusing on automation, usability, and performance.

Passionate about technology and innovation, I have developed projects involving decentralized applications, tokenization, and smart contracts. Proficient in TypeScript, JavaScript, Solidity, and Rust, I thrive in collaborative environments and enjoy tackling complex challenges to deliver impactful solutions.

Currently I am studying about Solana but I looking for Full-Stack and Web3 (Ethereum) jobs.

Experience: 3 years

Yearly salary: $24,000

Hourly rate: $15

Nationality: 🇧🇷 Brazil

Residency: 🇧🇷 Brazil

Experience

Application Developer Intern

IBM

2022 - 2024

Blockchain and Full-Stack developer for a large-scale guarantee and legal process control system. Created user stories, prototypes, estimates, developed features, and homologated them with the client (AngularTS, JavaScript, Hyperledger Fabric, CouchDB, PostgreSQL, IBM Cloud, Apache Kafka). Redesigned the interface and improved system usability using Material UI and Adobe XD. Developed spreadsheet export models with SheetJS, streamlining processes for the client. Contributed to the development of a critical system flow and supported bug resolution in production. Assisted in the implementation of the GenAI (WatsonX) assistant to help with code refactoring, analysis, and building unit tests through prompt engineering.

Skills

angular

c-plus-plus

couch

docker

full-stack

ganache

hardhat

hyperledger-fabric

java

javascript

kubernetes

mongo

postgres

python

react

rust

solidity

typescript

web3

web3js

english

portuguese

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