Gabriel dos Santos Silva

Franco da Rocha, São Paulo, Brazil

Backend Developer.

I develop systems and APIs with PHP, Laravel and Node.js. I also work on AI integrations, real-time communication and production environment configuration.

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Portfolio

Featured projects

Professional products I have worked on through development and infrastructure.

Professional work · Cyber1 Group

Legacy system modernization.

Quality1 / QualityManager

Web system for managing quality management tools.

I updated the technical foundations of the product and migrated parts of the interface to Vue.js and APIs, while also managing its operating environments.

PHP · Laravel · Vue.js

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Professional work · Cyber1 Group

Real-time communication.

BioChat

Communication platform for doctors and patients.

I developed the backend for the doctor and patient apps, including APIs, real-time messaging and video calls.

PHP · Laravel · Node.js

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Professional work · Cyber1 Group

Support and email-based tickets.

Multidesk

Platform for customer support, tickets, leads and dashboards.

I structured the backend to create tickets through email or APIs and process notifications and other tasks in the background.

PHP · Laravel · MySQL

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Professional work · Cyber1 Group

AI applied to corporate solutions.

Validato

SaaS platform for corporate solutions with artificial intelligence.

I took over maintenance of an existing application and continued work on the code, testing and AI integrations.

PHP · Laravel · Angular

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Professional work · Cyber1 Group

Financial integrations and credential protection.

Vaultfy

Platform for tracking cryptocurrency indicators, balances and trades.

I was primarily responsible for the backend of the indicators dashboard and the integration of trades for multiple clients.

PHP · Laravel · Angular

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Expertise

Skills

Backend

I develop APIs, integrations and business logic for evolving products.

PHP · Laravel · Node.js · REST APIs

Data and processing

I work with queries, caching and background task processing.

MySQL · PostgreSQL · Redis · Queues · RabbitMQ

Applied AI

I integrate models into supporting features, such as chatbots and information validation.

Model integration · Chatbots · RAG

Infrastructure

I configure environments, pipelines and services needed to put applications into production.

Linux · Docker · GitHub Actions · CI/CD · AWS · Azure

Frontend

I develop and modernize interfaces when a product needs work beyond the backend.

Vue.js · Angular · JavaScript · HTML · CSS

Career

Professional experience

May 2022 — present

Cyber1 Group

Full Stack Developer

  • API and integration development, with primary responsibility for the backend of BioChat, Multidesk and Vaultfy.
  • Quality1 modernization: PHP and Laravel upgrades, migration from Blade to Vue.js and APIs, and Redis caching.
  • Linux environment configuration, staging and automated deployments with GitHub Actions.
  • Validato maintenance and development since January 2025, and AI model integration across products.

April 2021 — April 2022

Aissa Tecnologia da Informação

Web Developer / Freelancer

  • Supported the team with frontend work using HTML, CSS and JavaScript, and SQL queries in PostgreSQL.
  • Worked on testing, deployments, SSL, SMTP, backups and GitHub Actions.

December 2019 — March 2021

Bull Óleo

Systems Programmer

  • Created management scripts and automation with PHP, Bash and SQL.
  • Integrated Bling and e-commerce platforms and helped the internal team use these platforms.

Who I am

About me

I have worked in software development since 2019, primarily focusing on backend development. My experience also includes frontend development, AI integration and infrastructure.

I work on applications from development through production operations. I have built features as well as maintained and modernized existing systems. When making technical decisions, I consider product needs, costs and maintenance.

Learning

Education and languages

Internet Systems · IFSP

February 2018 — January 2022

Undergraduate technology degree covering Java and C programming, web development, and Linux and web server administration. Final project on server hardening, with reference to OWASP Top 10 vulnerabilities.

Languages

Native Portuguese and advanced English.

Let's talk

Contact

Get in touch by email or follow my work online.