Miguel Rocha Xavier

Software Engineer / Intern System Development

Brazil

Miguel Rocha Xavier

About

Graduated in Systems Development Technician and a Software Engineering student. I'm passionate about software development and solving real-world problems, and I thrive in dynamic environments. I enjoy continuous learning and professional growth, exploring new technologies and methodologies to enhance my expertise through experiences, online courses, literature, and networking.

Work Experience

ArcelorMittal Brasil

Jun 2025 - Present

Innovation & AI Intern / STEM

One of the largest steel producers in the world.

  • Worked on a STEM scholarship program focused on process transformation and the creation of digital solutions that drive operational efficiency and data-driven decision-making.
  • With a strong focus on System Development, I design and build scalable applications using Power Platform, developing advanced dashboards and automated workflows to ensure productivity, reduce rework, and optimize user experience.
  • Remote
  • Power Platform

EternosDevs

Apr 2026 - Present

Co-founder & Backend Engineer

Minecraft server focused on survival multiplayer [SMP] and engaging experience for players of all ages, with a strong emphasis on community and creativity.

  • Co-founded the project with two partners and leading the technical development, including programming, system architecture, and design decisions.
  • Currently building a Minecraft SMP server (pre-launch), developing backend systems in Java and continuously improving my backend development skills.
  • Remote
  • Java
  • MySQL

Formation

Bachelor Software Engineering

A prestigious university in Brazil known for its strong emphasis on technology and innovation.

  • Currently pursuing a degree in Software Engineering at Católica SC (1st semester), building foundational knowledge in programming, systems development, and software design principles.

Technical Degree System Development

A prestigious university in Brazil known for its strong emphasis on technology and innovation.

  • Built Smarttrain during a technical course at SENAI/SC Joinville, developing a mobile app and web platform for railway management focused on Smart Cities and Digital Transformation in Transportation. Worked on UX/UI mobile-first mockups, website development, database implementation, and real-time dashboard features for train status, schedules, alerts, route management, preventive maintenance, performance reports, and energy consumption analysis.
  • Also presented the project at multiple SENAI Family Day events, showcasing its impact on innovation and transportation digitalization.

Projects

Talkbridge AI

Interactive agentic that resides in a terminal, understands what is being transmitted via audio, and automatically translates it into any language you want to learn.

  • Python
  • LLM Integration

Lumok - Light meets identity

Say hello to Lumok — a new way to unlock your Mac, powered by light and identity. Say goodbye to passwords and interruptions: with Lumok, your Mac recognizes you instantly, turning everyday access into something seamless and effortless.

  • In Progress
  • Swift
  • Perl

Skills

  • Java
  • Spring Boot
  • Node.js
  • JavaScript
  • Typescript
  • MySQL
  • PostgreSQL
  • Software Architecture
  • UX/UI
  • Design Systems
  • Git
  • Python
  • Swift
  • SwiftUI

Blog