Catriel BartezaghiContact
PHPLaravelMySQLDockerGitLab CI/CDOpenAI APITwilioNext.jsFastAPI

I build backend systems for business-critical workflows

Computer Engineer and backend-oriented Full Stack Developer focused on PHP/Laravel, SQL, automation, integrations, CI/CD, and maintainable web applications.

I help turn complex business processes into reliable software used in real operations.

About Me

I am a Computer Engineer and backend-oriented Full Stack Developer focused on building reliable software for business operations.

My work centers on translating complex workflows into maintainable systems: data modeling, SQL optimization, migrations, API integrations, automated validations, and production-oriented web applications.

I have experience working with legacy PHP/MySQL systems, Laravel applications, WordPress-based corporate websites, Docker environments, GitLab CI/CD pipelines, and AI-powered workflow automation using OpenAI and Twilio.

Quick Facts

  • Computer Engineer
  • Based in Argentina
  • Backend-oriented Full Stack Developer
  • English & Spanish
  • Business workflow automation
  • SQL & data modeling focus

What I’m good at

Business Logic

Turning real-world workflows into maintainable backend systems.

Data & SQL

Modeling data, writing reliable queries, and improving data-heavy views.

Automation

Reducing manual work through API integrations and workflow automation.

Reliability

Using tests, CI/CD checks, migrations, and documentation to reduce production risk.

Technical Skills

Backend & Data

  • PHP
  • Laravel
  • MySQL
  • PostgreSQL
  • REST APIs
  • SQL Optimization
  • Data Modeling
  • Migrations

Quality & Infrastructure

  • PHPUnit
  • Integration Tests
  • GitLab CI/CD
  • Docker
  • Git
  • Linux

Frontend & Web

  • JavaScript
  • TypeScript
  • Next.js
  • React
  • Tailwind CSS
  • Bootstrap
  • jQuery
  • WordPress

AI & Automation

  • OpenAI API
  • Twilio API
  • Workflow Automation
  • NLP Integrations

Engineering Highlights

CI/CD & Quality Gates

Implemented GitLab CI/CD validation workflows with syntax checks, migration validation, PHPUnit, and integration tests.

GitLab CI/CDPHPUnitMySQL snapshots

SQL & Performance

Optimized reporting and dashboard views by refining SQL queries and adding database indexes for large datasets.

SQLIndexesData-heavy views

Legacy Modernization

Modernized legacy interfaces from Bootstrap 2 and jQuery 1.7 to Bootstrap 5 and jQuery 3.x.

BootstrapjQueryMaintainability

Business Workflow Automation

Built automations and integrations that transform manual business processes into structured software workflows.

OpenAI APITwilioAutomation

Featured Projects

Professional Work · Serfe

Business-Critical Intranet Modules

Built internal modules for manufacturing workflows, including traceability, inventory, recipes, production processes, stock transfers, and supply control.

Focus:

  • Legacy PHP/MySQL systems
  • Data modeling and migrations
  • SQL reliability
  • Testing and validation workflows
PHPMySQLJavaScriptLegacy SystemsSQLGitLab CI/CDPHPUnit
Professional Work · Cipax

WhatsApp Finance Assistant

Built a Laravel-based accounting workflow that integrates Twilio and OpenAI APIs to capture financial transactions from WhatsApp messages using natural language.

Focus:

  • Laravel business logic
  • WhatsApp-based workflow automation
  • OpenAI and Twilio integrations
  • Structured accounting operations from natural language input
LaravelFilamentPHPMySQLOpenAI APITwilioWhatsAppDocker
Personal Project

TallyNorth

A full-stack personal finance platform for cash flow projection, multi-currency accounts, recurring expenses, and credit card installment tracking.

Focus:

  • Backend API design
  • Financial logic
  • Modern full-stack architecture
  • Product thinking
Next.jsTypeScriptFastAPIPostgreSQLSQLAlchemyTailwind CSSshadcn/ui
Academic Project

Intelligent Investment Decision System

A decision support system for financial markets using machine learning models on time series data.

Focus:

  • Data preprocessing
  • Model experimentation
  • Evaluation
  • Software packaging
PythonPyTorchSQLiteDockerMachine LearningTime Series

Experience

Apr 2025 – Present

Full Stack Developer

Serfe

  • Develop and maintain PHP/MySQL business applications and WordPress websites for external clients.
  • Build internal modules for traceability, inventory, production workflows, stock transfers, and supply control.
  • Improve reliability through data modeling, migrations, PHPUnit, integration tests, and GitLab CI/CD validation workflows.
  • Optimize SQL queries and database indexes for data-heavy reporting and dashboard views.
Jan 2024 – Apr 2025

Full Stack Developer

Cipax

  • Built and maintained a Laravel 10 accounting management system using FilamentPHP, MySQL, Docker, JavaScript, and Bootstrap.
  • Developed accounting workflows, current accounts, internal dashboards, and business logic modules.
  • Integrated Twilio and OpenAI APIs to record financial transactions from WhatsApp messages using natural language.
  • Improved production systems with a focus on usability, stability, and maintainability.

Interested in building reliable business software?

I’m open to backend-oriented full stack roles where I can work on business logic, data-heavy systems, automation, integrations, and maintainable web applications.