Joel Santos
AI Prompt Engineer at Outlier AI
Bahia, Brazil
Summary
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Senior🎓
Top SchoolJoel Santos is an AI Prompt Engineer and backend developer from Bahia, Brazil, with eight years of hands-on experience building secure, high-performance Java and Spring Boot services. He has delivered production-ready modules—authentication with JWT, password hashing, MongoDB and PostgreSQL integrations—and reduced API response times by optimizing database queries. Self-taught in programming and English while studying systems analysis, Joel combines practical backend expertise with emerging AI prompt engineering work at Outlier AI. Comfortable across Java, Kotlin, React, and TypeScript, he brings a pragmatic focus on security and measurable performance improvements. An early-career contributor to embedded systems training and active learner, he pairs curiosity with a track record of shipping reliable, testable server-side features.
8 years of coding experience
Análise e Desenvolvimento de Sistemas, Análise e Desenvolvimento de Sistemas at Centro Universitário UniFatecieCapacitação em Sistemas Embarcados, Capacitação em Sistemas Embarcados at EmbarcaTech
EnglishProgramming languages (4)
Github contributions (5)
JoelSantos-JS/new-Portfolio
Nov 2022 - Feb 2023
Contributions:33 commits, 30 pushes, 1 branch in 2 months
JoelSantos-JS/JoelSantos-JS
Jan 2022 - Jun 2024
Contributions:11 pushes, 1 branch in 2 years 5 months
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