Hi, I'm

Lucas Melquiades

Junior Software Engineer moving intentionally toward Data, AI and Machine Learning Engineering. Building a path from software delivery into data products,
ML pipelines, MLOps and production-minded AI applications.

Open to junior Data/AI/ML roles
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About Me

A software engineer with a data-first direction: building reliable systems, learning the ML lifecycle and turning domain problems into structured, testable products.

Lucas Melquiades profile photo

Engineering base, ML direction

I bring a practical software base in corporate systems, APIs, Dynamics 365, C#/.NET, JavaScript, SQL Server, SSIS and Power BI, and I am channeling it into ML pipelines, model serving, MLOps and production-minded AI applications.

My previous professional path also gave me strong business-context exposure: I built Excel and Power BI reporting workflows for legal operations, worked with due diligence and operational documentation, worked with SCRUM routines, and used SAP ERP in a regulated financial environment.

My current trajectory is focused on Machine Learning Engineering, Data Engineering, AI systems, LLM/RAG applications and MLOps: clean pipelines, reproducible experiments, model APIs, cloud deployment and monitoring.

Python Java SQL Pandas NumPy Scikit-learn PyTorch MLflow FastAPI Docker Kubernetes Cloud
2026
Current software role
AWS
Cloud Practitioner
5
Languages studied

Technical Skills

Current working level: junior software engineering experience with hands-on enterprise exposure, while building depth in Data, ML, AI and Cloud foundations.

Data, Machine Learning & AI

Python for data analysis & scripts Practicing
SQL for queries & data exploration Hands-on
Pandas, NumPy & exploratory analysis Practicing
Scikit-learn & model evaluation fundamentals Studying
LLM apps, RAG concepts & prompt workflows Exploring

Data Platforms, Cloud & Analytics

Power BI, Excel reporting & business dashboards Hands-on
SQL Server, SSIS & integrations Exposure
AWS cloud foundations Certified
Azure, Power Platform & enterprise environments Learning

Software Engineering

C#/.NET, Dynamics 365, plugins & workflows Current role
Java, Spring Boot & API design Projects
TypeScript, JavaScript, React, Node.js & NestJS Projects
Docker, Git, GitHub Actions & delivery basics Hands-on

Experience

A path from legal operations and reporting into corporate software engineering, now directed toward Data, AI and ML Engineering.

Intern

Atos

March 2026 - Present

Remote - Sao Paulo, Brazil

  • Academia Dynamics: develop, maintain and evolve Microsoft Dynamics 365 corporate solutions.
  • Implement features, plugins, workflows, automations and integrations using C#/.NET, JavaScript and external APIs.
  • Work with bug fixing, performance improvement, requirements gathering, validation, technical documentation, SQL Server and SSIS.
  • Use enterprise delivery discipline as a foundation for reliable data and AI systems.

Legal Assistant

CYMI do Brasil

June 2022 - July 2024

Rio de Janeiro, Brazil

  • Built Excel and Power BI reporting workflows with the technology team for legal demand tracking.
  • Supported dashboards and reports that improved visibility over sector activity and operational status.
  • Worked on due diligence and M&A reviews, structuring financial, legal and operational information.
  • Created and managed contracts using Visual Law techniques, bidding support and insurance management routines.

Legal Consulting Intern

AgeRio

December 2018 - December 2020

Rio de Janeiro, Brazil

  • Participated in LGPD implementation across financial contracts and internal policies.
  • Handled acquisitions, contracting and sector payments through SAP ERP routines.
  • Gained experience with regulated processes, documentation, data privacy and operational controls.

Volunteer - Logistics & Events

Pyeongchang Organizing Committee for the 2018 Olympic & Paralympic Winter Games

January 2018 - February 2018

Gangwon, South Korea

  • Supported ceremonies production and reception for figure skating delegations.
  • Worked in a multicultural, high-pressure event environment with operational precision.

Selected Work

Public repositories, applied business work and learning artifacts that show the bridge between software engineering, data workflows and AI systems.

Automation MVP

Ticket Watch

TypeScript MVP that monitors public Ticketmaster Brasil event pages and sends availability alerts. Built with Node.js, Express, React, Vite, configurable monitoring and optional Twilio WhatsApp notifications.

TypeScript Node.js React Docker
Full-stack system

Ultimo Andar

Property lease contract management system inspired by real operational pain. Includes Java/Spring API, React frontend, document generation, encrypted storage, audit logs, Docker and PostgreSQL-ready deployment.

Java 17 Spring Boot React PostgreSQL
ML roadmap + data lab

GitHub & Kaggle ML Portfolio

Combined public learning track for Machine Learning Engineering and data practice: GitHub README organized around ML, Data Engineering, AI apps and MLOps, plus Kaggle as a lab for notebooks, EDA, baseline models and evaluation practice.

ML Engineering Kaggle EDA MLOps

Learning Journey

Current track: move from software delivery into production-minded ML systems, with strong data foundations, reproducible experiments and deployable AI applications.

Built

Software & Cloud Base

  • Java, Spring Boot, C#/.NET and TypeScript
  • APIs, integrations and corporate systems
  • Docker, Git and delivery routines
  • AWS Certified Cloud Practitioner foundation
Applied

Data & Analytics

  • SQL Server, SSIS and integration thinking
  • Power BI dashboards and business reporting
  • Python, Pandas, NumPy and exploratory analysis
  • Data cleaning, validation and visualization
In progress

ML Engineering

  • Supervised learning, regression and classification
  • Feature engineering and model evaluation
  • Experiment tracking with MLflow-style workflows
  • Model APIs with FastAPI and deployable services
Next

AI Apps & MLOps

  • LLM applications and RAG patterns
  • Vector search and data pipelines for AI
  • Monitoring, versioning and feedback loops
  • Cloud deployment on AWS/Azure environments

Let's build something intelligent together.

lucasmelquiades.dev@gmail.com