Leandro César

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About

Experienced professional with a strong background in technical leadership, backend development, Artificial Intelligence, and automation. Brings strategic focus to high-performance projects through efficient system integration, process optimization, and infrastructure management. Highly analytical, results-driven, and organized, with proven ability to build teams, standardize workflows, and deliver high-quality outcomes.

Experience

  1. Cloudia

    1. Tech Lead

      — Present

      Leads a team of 6 developers, managing priorities, delivery, and technical execution while contributing to product and architecture decisions. Hands-on development of an AI-powered chatbot for WhatsApp, Facebook, and Instagram, integrated with 30+ scheduling APIs. Owns AWS infrastructure, CI/CD, automations, internal tools, code quality, observability, and performance optimization.

    2. Software Developer

      —

    3. Software Development Intern

      —

  2. BASF

    1. Consultant (Apprentice)

      —

  3. UNIFEI (Federal University of Itajubá)

    1. Scholarship Holder

      —

  4. Ball Corporation

    1. Consultant (Apprentice)

      —

  5. Ex Machina UNIFEI

    1. Technical Director

      —

    2. Programming Director

      —

    3. Programmer

      —

Education

UNIFEI (Federal University of Itajubá)

Degree in Control and Automation Engineering

—

Languages

  • Portuguese - Native
  • English - Advanced

Projects

PeakDetection

Arduino library for real-time peak detection in data using z-score.

themoviedb

Python API wrapper for The Movie Database (TMDb) API v3.

Skills

Development

  • Backend
  • Python
  • Golang
  • APIs Restful
  • GraphQL

AI and automation

  • Artificial Intelligence
  • Automations
  • LLM
  • Chatbots
  • n8n
  • LiteLLM
  • OpenRouter
  • OpenAI
  • Gemini
  • Make

Data and messaging

  • MariaDB
  • MySQL
  • Postgres
  • Redis
  • RabbitMQ
  • MongoDB

Infrastructure and delivery

  • Cloud Computing
  • Git
  • GitHub
  • GitHub Actions
  • CI/CD
  • Code review
  • Deployments
  • AWS RDS
  • AWS ECS
  • AWS EC2
  • AWS Lambda
  • AWS CloudWatch
  • AWS S3
  • AWS SQS
  • Docker

Volunteering

Bota Pra Fazer UNIFEI 2018

Co-created an organic garden at Lar da Providência de Itajubá to support the institution in growing food for older residents.

Bota Pra Fazer UNIFEI 2017

Developed a math game for children at APAE de Itajubá to support learning of the positional decimal number system. The initiative won 1st place in the Innovation and Creativity category.

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