Davi Crystal
CTO at NextQS
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolDavi Crystal is a seasoned software leader and current CTO with 12 years of experience designing and scaling cloud-native platforms and SaaS products from São Paulo. He combines an MBA in Software Architecture with hands-on expertise in microservices, Kubernetes, multi-cloud deployments and CI/CD to solve resilience, availability and scaling challenges across customer-facing operations. As a former solutions architect and team leader he prioritizes coaching and aligning individual talent with company mission, believing people are the primary differentiator behind technical success. His background spans legacy-to-modernization projects and a wide technology stack (Node, Python, PHP, MongoDB, Redis, RabbitMQ)—a practical mix that helps him bridge business needs and engineering trade-offs. Unusually, he also taught programming early in his career, which informs his emphasis on mentoring and sustainable engineering practices.
12 years of coding experience
23 years of employment as a software developer
Fédération Internationale de l'Art PhotographiqueCiências de Computação, Engenharia de Sistemas, Ciências de Computação, Engenharia de Sistemas at Universidade Metodista de São Paulo
Stackoverflow
594reputation
179kreached
11answers
0questions
Github Skills (25)
thermal-printer9
mongoose9
webservice9
escpos-printer9
escpos9
php8
android-library8
usb7
sdk7
mongodb6
api6
android6
bluetooth6
tcp6
css6
Programming languages (4)
Github contributions (5)
davicrystal/blingApi2
Oct 2014 - Jan 2019
SDK em PHP para integração com a API2 Bling
Contributions:8 commits, 2 PRs, 4 pushes in 4 years 4 months
php
davicrystal/vagrant-ubuntu-old-php-mysql
Feb 2014 - Apr 2016
Contributions:36 commits, 10 pushes in 2 years 2 months
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