Guilherme Saboia
Full Stack Engineer with 3.5+ years of experience, using AI to
accelerate development across the entire stack. I build end-to-end
applications using Javascript, Next.js, TypeScript, Python, and modern AI tools like
OpenRouter and Cursor. Notable achievements include working with a DeFi
platform that reached $51M+ in trading volume and creating an automated
news service that processes content from multiple sources hourly.
Actively seeking remote opportunities at AI-first companies.
Skills
Technical Skills
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Full Stack: Javascript, Next.js, Node.js, TypeScript, React,
SQL/NoSQL databases, REST/GraphQL APIs, Python, Bash, HTML, CSS
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AI Tools: OpenRouter, LangChain, ChatDev, CrewAI,
Open Interpreter, PyTorch, prompt engineering, LLM APIs
-
AI Infrastructure: Model Context Protocol (MCP),
AI agent development, multi-agent systems, OpenRouter
-
DevOps & Deployment: Cloudflare Workers, GitHub
Actions, serverless architectures, CI/CD
-
Automation: n8n, Puppeteer, cron jobs, workflow
optimization, system integration
-
Blockchain: Web3.js, DeFi integrations
(Arbitrum), smart contract interaction
-
Data: Database design, data visualization,
financial modeling, Excel
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Development Tools: Git, Figma, BugHerd, OpenNext,
AI-powered development environments
Soft Skills
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Full-stack project architecture and rapid prototyping,
demonstrated by building news.fasttakeoff.org from concept to 200+
daily reports
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Cross-timezone remote collaboration using Discord, GitHub, Figma,
and ClickUp
-
User-centric development approach with continuous feedback
integration
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Strategic thinking from economic background applied to technical
architecture and UX decisions
Professional Experience
AI Engineer & Project Lead
Fast Takeoff (Remote) | Oct 2023 – Present
-
Founded and scaled
news.fasttakeoff.org to
process 200+ daily reports using AI-powered automation
-
Built features including real-time news monitoring, executive orders
tracking, interactive 3D news globe, and automated social media
integration
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Engineered robust infrastructure using Next.js, React, and
Cloudflare Workers with KV caching for optimal performance
-
Implemented multi-stage AI processing using Gemini via OpenRouter
for news curation, translation, and summarization
-
Developed automated aggregation system for major Brazilian news
sources with categorized summaries and historical archiving
Frontend Developer
DeFi Platform on Arbitrum (Remote) | Jan 2022 – Oct 2023
-
Built UI components and dashboards for two crypto platforms, driving
$51M+ in total trading volume through intuitive user interfaces
-
Implemented BugHerd and Zapier integrations to streamline user
feedback collection and bug tracking, leading to rapid iterative
improvements
-
Maintained high productivity in cross-timezone remote team through
effective async communication via Discord and GitHub
-
Led UI/UX improvements for lending/borrowing and trading interfaces
based on direct user feedback and analytics
-
Worked with TypeScript, React, and Web3.js with real-time blockchain
data
Consultant
Consulting Firm | Nov 2020 - May 2021
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Led digital transformation project for a major bank, transitioning
from manual to digital document formalization
-
Implemented digital signing solutions to streamline safe document
processing workflows
Data Structuring Intern
Financial Technology Startup | May 2020 – Jun 2020
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Assisted in structuring and organizing financial data for an
advanced market analysis platform
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Collaborated with data providers to ensure comprehensive and
accurate data feeds
Financial Analyst Intern
Apsis Consultoria Empresarial | Mar 2019 – Aug 2019
- Built financial models and valuations for M&A clients
- Performed sector research and financial statement analysis
Education
Bachelor of Economics
Universidade de São Paulo (FEA-USP) | 2016 - 2020
Exchange Program
Universidad de Zaragoza, Spain | Sep 2019 - Jan 2020
Professional Development
CS50's Introduction to Artificial Intelligence
Harvard University (edX) | 2024
-
Completed projects in search algorithms and knowledge representation
- Implemented neural networks and optimization algorithms
- Built AI systems for games and puzzle-solving
Full Stack Web Programming
Trybe | Jul 2021 - Jul 2022
- Frontend with React and TypeScript
- Backend with Node.js, APIs, and relational databases
- Computer science fundamentals and agile workflows
Machine Learning
Stanford Online (Coursera) | 2020
-
Comprehensive course by Andrew Ng covering supervised and
unsupervised learning
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Topics: Neural networks, SVM, clustering, dimensionality reduction,
and deep learning
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Applied ML to various domains: Computer vision, NLP, robotics, and
data mining
Languages
- Portuguese (native)
- English (fluent; daily professional use)
- Spanish (intermediate)
- Italian (intermediate)
Notable Projects
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Video Transcriber
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Python-based tool for automated video transcription and
summarization using multiple AI models
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Integrated OpenRouter API for model selection (Claude, GPT-4,
Groq, etc.)
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Implemented asynchronous processing, audio streaming, and parallel
transcription
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Features include cost calculation, YouTube title extraction, and
interactive menu system
GitHub Highlights
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Neural Network Implementations:
Educational clones based on Karpathy's tutorials:
MicroGrad,
MakeMore
-
AI Research Repository:
Solutions to Harvard's CS50 AI course projects including search
algorithms, knowledge representation, optimization, and machine
learning:
CS50 AI Projects
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Prompt Caching: Experimented with LLM prompt
optimization techniques:
Prompt Caching Repo
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Snake AI: Reinforcement-style logic applied to
classic game:
Snake AI
Books & Learning
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Books: Life 3.0 (Max Tegmark), Superintelligence
(Nick Bostrom), Rationality from A to Z (Yudkowsky), Incerto series
(Nassim Taleb)
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Self-Directed Learning: AI tools, LLM infra, and
agents via real-world projects
graph TB
Me["Guilherme Saboia"]
Me --> Role1["Full Stack Engineer"]
Me --> Role2["AI Engineer"]
Me --> Role3["Automation"]
Me --> Role4["Blockchain"]
Me --> Role5["Projects"]
Me --> Role6["Education & Learning"]
Me --> Role7["Languages"]
%% Full Stack
Role1 --> FE["Frontend: React, TypeScript, Next.js"]
Role1 --> BE["Backend: Node.js, SQL, GraphQL, REST"]
Role1 --> DevOps["DevOps: Cloudflare Workers, GitHub Actions"]
%% AI Engineer
Role2 --> AITools["LLM Tools: LangChain, CrewAI, OpenRouter"]
Role2 --> AIPipes["AI Infra: MCP, Multi-agent Systems"]
Role2 --> AIML["ML: PyTorch, Neural Networks, Optimization"]
%% Automation
Role3 --> Auto1["Tools: n8n, Puppeteer, Cron Jobs"]
Role3 --> Auto2["System Integration & Workflow Design"]
%% Blockchain
Role4 --> BC1["Web3.js, Smart Contracts"]
Role4 --> BC2["DeFi: Arbitrum, Trading Interfaces"]
%% Projects
Role5 --> News["news.fasttakeoff.org"]
Role5 --> Transcriber["Video Transcriber"]
Role5 --> Prompt["Prompt Caching"]
Role5 --> Snake["Snake AI"]
Role5 --> CS50["CS50 AI Projects"]
%% Education
Role6 --> Edu1["USP – Economics"]
Role6 --> Edu2["Trybe – Full Stack"]
Role6 --> Edu3["Harvard CS50 AI"]
Role6 --> Edu4["Stanford ML (Coursera)"]
%% Languages
Role7 --> PT["Portuguese (Native)"]
Role7 --> EN["English (Fluent)"]
Role7 --> ES["Spanish (Intermediate)"]
Role7 --> IT["Italian (Intermediate)"]
%% Clickable Links
click News href "https://news.fasttakeoff.org" _blank
click Transcriber href "https://github.com/ghsaboias/video-transcriber" _blank
click CS50 href "https://github.com/ghsaboias/ai-research" _blank