🎓 B.S. and M.S. in Electrical Engineering by Federal University of Santa Catarina

⚙️ Software Engineer

• Linux user, flexible, and hands-on to work and commit new features.
• I love data flows, business automation, and providing a great customer experience.
• Interest in OpenAPI documentation for an autogenerated lifecycle (spec, changelog, mocks).

⬆️ Working on improving TDD, DevOps, Cloud, Architecture, and Microservices skills.

🧰 Main tooling: Python (FastAPI, Pytest, Pydantic, SQLAlchemy, Alembic), JS/TS (Node, Express, Fastify, Nest, React, Redux, Next, jQuery), C# (.NET Core), Python and Go (Scripting), Linux (Bash, Awk, Make, Cron jobs, CLI tools), Git, Docker, CI-CD (GitHub Actions, GitLab Runner), Tests (Jest, QUnit, Mocha, XUnit, Moq), SQL (Postgres), Documentation (OpenAPI, JsonSchema, Docusaurus), PHP (WordPress, Magento), HTML, CSS, SASS, Jira.

📂 Back-office automation: document generation (invoices, email, pdf, docs, xlsx, csv); file/drive management; XML digital signature; Google Sheets and Workspace automation (Apps Script).

📞 How to reach me:

• my linkedin
• blog: https://danielfcollier.github.io
• papers from my past as Power Electronics Engineer

1. Domain Visistor Counter

• Algorithmic code challenge
• Extras:
  • Solutions in 3 languages (Golang, Pyhton, and JavaScript)
  • Dockerfile setup for each language
  • CI/CD with GitHub Actions
  • Integration tests

2. PERN Stack Environment

• PERN (Postgres, Express, React, Node) setup with Dockerfile and Docker Compose

3. API REST

• It was required to "deploy" with ngrok and test within an external test suit
• Extras:

  • Solution with many languages and stacks:

    • FastAPI with Python 3.10
    • .NET/C# MVC API
    • .NET/C# Minimal API
    • Nest.js with TypeScript and Express.js
    • Node.js with JavaScript and Express.js

  • Dockerfile setup for each language

  • CI/CD with GitHub Actions

  • E2E tests within the specification

4. Todolist API RESTful

• It was required just a basic CRUD API
• Extras:
  • Built with Fastify.js
  • Dockerfile setup
  • CI/CD with GitHub Actions
  • Unit and E2E tests within the specification

5. Virtual Card Generator with Next.js

• It was required to be able to download the card after providing the user information
• Extras:
  • Developed with TypeScript
  • Dockerfile setup
  • CI/CD with GitHub Actions
  • Basic UI testing

Working on:

• RabbitMQ Tutorials in JS and PHP
• MERN Stack Environment Setup
• React Todolist APP with .NET/C# in the backend

.NET studies:

Finished:

• Landing page built with Vanilla JS, HTML,and CSS
• Form registration page with with Vanilla JS, HTML, and CSS

• Integration with Florianopolis Municipal Service to generate invoices. Tools: .NET/C#, XmlDSig
• Simple CLI to customize the secretary WhatsApp message. Tools: Python, Argparse
• Legacy, to be removed: https://github.com/danielfcollier/ts-gas-clinic-project
• Legacy, to be removed: https://github.com/danielfcollier/js-gas-app-registration-system

Organizing:

• Legacy, to be removed: https://github.com/danielfcollier/ts-gas-library
• to be removed:
  • https://github.com/danielfcollier/ts-gas-clinic-project
  • https://github.com/danielfcollier/js-gas-crm-clinic-project

1. Libraries

• DBSheets: an useful handler to use Google Sheets as a database (you shouldn't, but...)

• Drive Manager: creates drive trees with folders, documents, and templates

• EmailService: utility to make easy to use HTML templates

• FetchJson: handle request and responses with JSON data

• Webhooks: wrapper to make it easy to create webhooks

• GasUtils: general utitilities to handle masks and formats of BR standards

• TestFramework: custom framework to use with GAS

• AsaasIntegration: use Asaas Payment API

2. Bots

• Slack Birthday Remainder. Tools: Google Apps Script, TypeScript

3. Just a summary with JavaScript and Google Apps Script references

Contributed to:

• API Dev Tools - JSON Schema Ref Parser

• APITools: OpenAPI Spec Generator for .NET/C# Codebase
• APITools: Utilities to Get JSON Codes from .NET/C# Codebase
• APITools: Generate a formatted CSV/JSON output with Brazilian Bank Codes from the official Central Bank's source

https://github.com/danielfcollier/danielfcollier.github.io

1. Work as Software Assistant:

• Cluster Status Java Applet
• Cluster Status Python Applet
• Matlab Code Optimization with C/C++

2. R&D in Power Systems

• Parametic Optimal Power Flow
• Numeric Optimization Studies

3. Master Thesis

4. PhD Qualification

5. Paper Templates

• IEEE Digest Template
• IEEE Official Template

6. Other

• Image Processing Studies