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Guilherme Higino

@guilhermehigino

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Full Stack Developer at DevSquad building Laravel applications and AI-powered WhatsApp products at Jupit.

Brazil

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At DevSquad, I build and maintain PHP and Laravel applications for US clients, from database modeling and REST APIs to interactive Livewire interfaces. I also contribute to mobile development using React Native.

At Jupit, which I co-founded, I built an AI-powered conversational triage system that qualifies and routes requests through WhatsApp. I’m also developing VendaZapp, a SaaS platform for AI-powered business support, scheduling, and contact management.

At Jupit, I delivered PLATEA, a cultural events and ticket reservation platform for UFRN, using Laravel and React. I’ve also integrated LLMs into production workflows, including a RAG-based tax code assistant using Qdrant.

Experience

Work history, roles, and key accomplishments

Current

Full Stack Developer

Current

DevSquad

May 2026 - Present (6 months)

Full stack development with PHP 8 and Laravel for a US-based software company, building and maintaining applications end to end, including REST APIs and Livewire interfaces. Contributed to mobile development with React Native and followed agile workflows with Bitbucket and Jira.

PHP 8 Laravel Livewire React Native REST APIs MySQL Bitbucket Jira Agile Code Review Testing Automation

Current

Co-founder & Full Stack Developer

Current

Jupit

Sep 2025 - Present (1 year 2 months)

Co-founded a startup focused on SaaS and AI-driven automation, building an AI-powered conversational triage system and a full stack event platform for UFRN. Responsible for architecture, deployment, and infrastructure decisions across products.

PHP 8 Laravel React LLM Integrations OpenAI API N8n WhatsApp API SaaS Architecture Deployment

Junior Laravel Developer

Telepesquisa

Jun 2025 - Jun 2026 (1 year)

Developed and maintained scalable backend applications using PHP and Laravel, implementing code quality workflows with Git hooks and automated testing. Integrated LLMs into internal platforms and created automation workflows with n8n.

PHP Laravel MVC REST APIs MySQL Git Hooks PHPUnit Pest Larastan Laravel Pint N8n LLM Integrations

Automation Intern

B2BIT Company Software House

Jul 2024 - Jun 2025 (11 months)

Developed and optimized business automation workflows using n8n and REST APIs, integrating OpenAI solutions to enhance automation with intelligent features. Collaborated with frontend and backend teams to deliver integrated solutions.

N8n REST APIs OpenAI Automation Collaboration