👨‍💻 I'm Helcio

🔗 Links

• Notion: Engineering Leading Notes
• LinkedIn: linkedin.com/in/helciomacedo

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👨‍🔧 Backend Software Engineer & Tech Lead

• Father of 3 awesome kids 👨‍👧‍👦

• Classic car enthusiast 🚗

• Passionate Software Engineer since 2015 (considering only the professional experiences)

• Plus ~3 years of personal projects, including:

  • Building websites
  • Running a Ragnarok Online private server
  • Creating e-commerce solutions with PrestaShop

• Entirely self-taught in both software engineering and the English language

I’ve worked on nearly every kind of project:

• Proof of Concepts (PoCs)
• Legacy systems
• Global-scale platforms
• Monoliths & Microservices

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🛠️ Key Experiences

📡 IoT and Embedded Systems

• Worked with Arduino, Raspberry Pi, Intel Galileo boards
• Built mesh networks using XBEE radios to transmit:
  • Temperature, humidity, and sensor data
  • Images (yup.. I did it)

📱 Mobile Applications

• Native Android development
• Hybrid apps using:
  • Apache Cordova (via Intel XDK)
  • Ionic Framework

🔐 Surveillance and Telecom

• Developed software for a Lawful Interception company (the leader one) using Xcipio sensors

🌐 Web Applications

• The core of my career: building scalable and maintainable web applications

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💻 Tech Stack

Fullstack Experience

• JavaScript & TypeScript (since vanilla JS)
  • Backend: Node.js
  • Frontend: React, Next.js
• Also worked with:
  • Java
  • PHP
  • C++
  • Python
  • Ruby

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👨‍🏫 Tech Lead Experience

Daitan (18 people; 6 under my lead)

• Mentorship (Luan Orlandi & Rafael Wada)
• Onboarding new team members
• Interviewing candidates

NTT Data (16 people)

• Onboarding support
• Built automated environment setup scripts
• General team support

KraftHeinz (3-person dev team)

• Official Tech Lead role
• Best practices evangelist
• Code reviews
• Team guidance and support

VitalCard Inc (7-person team)

• Evangelized best engineering practices
• Code reviews
• Advocated for agile process improvements
• Facilitated:
  • Sprint retrospectives
  • Team wellness surveys
  • Daily report reviews

APM Help (4- preason team)

• Mentoring the Intern and Junior team members
• Providing knowledge-sharing about techs and techniques
• Providing reports to PO and CTO
• Guiding the team through a huge refactor of our Banking and DBR (Daily Basis Reconciliation) platform

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🤝 Team & Culture Champion

I’m always advocating for:

• Clean Code
• Performant solutions
• Meaningful test coverage
• S.O.L.I.D at least as much as possible
• Adoption of modern development techniques
• Strong team culture and developer happiness
• Performance / Deliverables driven mindset