Hallef Vieira
Web Developer(Backend) at Brisanet Telecomunicações
Ceará, Brazil
Summary
👤
Senior🎓
Top SchoolHallef Vieira is a backend-focused web developer with a decade of hands-on experience building scalable APIs, microservices, and full-stack solutions across telecom, recruitment, and agribusiness domains. With a Bachelor in Information Systems and training from Rocketseat, he combines Node.js/TypeScript, PHP/Laravel, and robust database skills (MySQL, PostgreSQL, MongoDB) to deliver reliable systems guided by SOLID and clean architecture. At Catho he shipped recommendation and automation microservices that measurably increased user engagement and subscription conversions, and at Brisanet he develops integrations and automations for sales, credit scoring, and 5G SIM provisioning. Comfortable across the full development lifecycle, Hallef emphasizes testing (unit and E2E), observability, and pragmatic automation to improve operational efficiency. Colleagues describe him as organized, communicative, and eager to both learn and mentor, with practical experience applying industrial automation thinking to software for agribusiness production and logistics.
10 years of coding experience
🎓 Bacharelado em Sistemas de Informação, Software Engineer, 🎓 Bacharelado em Sistemas de Informação, Software Engineer at University ParaísoTécnico em manutenção industrial, Automação industrial, Técnico em manutenção industrial, Automação industrial at Centro de Tecnologia do Ceará - CENTEC🎓 Bootcamp GoStack 13, Software developer, 10, 🎓 Bootcamp GoStack 13, Software developer, 10 at Rocketseat
Stackoverflow
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Github Skills (11)
blockchain6
golang5
styled-components3
layout3
react3
hero2
frontend2
javascript1
nodejs1
redux1
storybook1
Programming languages (3)
Github contributions (5)
HallefHLVieira/NodejsCrud-API
Jul 2019 - Mar 2022
Studying technologies
Contributions:21 commits, 18 pushes, 3 branches in 2 years 8 months
studyingtechnologies
HallefHLVieira/ti-serve-api
Jun 2024 - Oct 2024
Contributions:4 PRs, 141 pushes, 7 branches in 4 months
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