I am William, a 20 years-old multi-hobbist passionate Economics & Finance student at University of Brasília, driven by a curiosity for technology and a love for finance. My journey involves delving into the world of computer science, exploring new ideas, and sharing my insights with the world.

• 🔭 I'm currently pursuing my Degree in Economics at University of Brasília.
• 💭 I am currently planning on having a double graduation in Economics and Accounting.
• 📝 I am passionate about CS, FP&A, Data Analysis/Manipulation, Finance and Math, specially for the quantitative area of Analysis and Research on Finance with Python and Neural Networks, SQL, AI and Javascript.
• 🌐 Currently a Brazillian Citizen, aiming to explore the world and it's beauty.
• ✍️ Currently working on building a community of devs from Brazil!

• Applying AI and Machine Learning to quantitative finance problems using libraries like Qlib and Scikit-learn.
• Building financial data pipelines and backtesting engines in Python to validate trading strategies.
• Developing interactive financial dashboards and data visualizations with JavaScript and React.
• Deepening my knowledge in financial econometrics and time series analysis for model development.
• Strengthening my foundation in stochastic calculus and statistical arbitrage to build more robust financial models.

• Architecting scalable data pipelines for real-time market data.
• Learning Apache Spark for large-scale financial dataset processing.
• Diving into Qlib's workflow for full-cycle quant research (from data to strategy).
• Exploring deep learning techniques for algorithmic trading.
• Developing interactive Monte Carlo simulations for risk analysis.
• Using Python and JS to automate financial report generation and data aggregation.
• Currently learning low-cost high-frequency operations with C++

• 🌟 President of the Academic Council in University of Brasilia (2024) - Contributed to build a better community inside of the academic environment.
• 🏆 Top-10 on BTG Pactual Investment Banking Trading Championship at 20 years-old (2025).
• 🐚 Current Leader of Selfmade Brazilian Developers and Development Students Commmunity (2025).
• 🧑‍🏫 Founder of a Free Public Discord Fundamental-School, Middle-School and University Study Library destined to universal cutting edge opportunities for students, free, forever (2021).
• 🧮 Ex-member of a Financial Consulting and Performance Tracker Startup that used GPT's Model with Excel and Excel + PowerBI dashboards to help companies along with Financial Planning and Analysis (2024).
• And much more (...)

• Dashboard & Visualization Design: Crafting intuitive and actionable KPI dashboards in Tableau and Power BI for executive and operational reporting.
• Data Storytelling: Translating complex data findings into clear, compelling narratives for technical and non-technical audiences.
• BI & Visualization Tools: Tableau, Power BI, Excel (Advanced)
• Database Management: SQL for data querying and analysis
• Big Data Processing: Apache Spark for large-scale financial datasets
• Quantitative Research: Qlib workflow implementation

• Video Production: End-to-end video creation, editing, and publishing as a YouTube, Tiktok and Instagram creator (over 10M views in total).
• Adobe Creative Cloud: Advanced proficiency in After Effects (motion graphics), Photoshop (image editing/thumbnails), Premiere (advanced video editing), Capcut (simple video editing) and Illustrator (graphic design).
• Creative Strategy: Leveraging copywriting, storytelling, and consumer psychology to drive viewer engagement and growth.

• FP&A: Financial planning and analysis
• Accounting Principles: Core accounting concepts
• Entrepreneurship: Alura online school of technological and business education in Brazil
• Marketing & Sales: Strategic planning and execution
• Leadership: Team management and project leadership
• On-going Major Degree in Economics (plus future plans on a math master degree)

• Hardware Architecture: Building high-performance workstations and servers from component selection to thermal optimization. Special interest in HEDT platforms and server-grade hardware for data-intensive workloads.
• Self-Hosting & Homelab: Deploying and maintaining self-hosted services including:
  • Media Servers (Jellyfin/Plex) with automated content pipelines
  • File Sync & Backup (Nextcloud, Syncthing) with RAID redundancy
  • Home Automation (Home Assistant) with IoT device integration
  • Network Services (Pi-hole, VPN, reverse proxies)
• Server Administration: Proficient in Proxmox VE for virtualization, Docker container orchestration, and ZFS storage management.
• Linux Power User: Daily-driving Arch/Ubuntu with heavy i3wm/ricing customization. Proficient in Bash/Zsh scripting, package management, and systemd service configuration.
• Network Engineering: Configuring VLANs, VPNs, and firewall rules for segmented lab environments. Experience with pfSense and WireGuard. Performance Tuning: Kernel compilation for specific workloads, SSD caching configurations, and memory subsystem optimization.

• Cybersecurity: Concepts and practices via TryHackMe

• 🇧🇷 Portuguese (Native)
• 🇺🇸 English (112 TOEFL Score + CCAA Language School Certificate)
• 🇪🇸 Spanish (CCAA Language School Certificate)
• 🇩🇪 German (Busuu and Duolingo Online Language School)
• 🇫🇷 French (Busuu and Duolingo Online Language School)
• 🇨🇳 Chinese (Busuu and Duolingo Online Language School)
• 🇮🇹 Italian (Busuu and Duolingo Online Language School)

• Connect with me on Linkedin
• Connect with me on Twitter
• Read my Medium articles: (Currently Working)
• Visit my website: (Currently Working)

NeetCode: LeetCode: Getcracked: TryHackMe: