32
people led in the Operations & Electronics Division aboard the Frigate Liberal
Hi! I'm
Ygor W. S. Moreira Lima
Software Engineer · AI Researcher · Lieutenant, Brazilian Navy · Radioamateur PU1YWS
I'm pursuing a Master's in Computer Science (Software Engineering) at Universidade Federal Fluminense (UFF), researching Agentic Artificial Intelligence for Software Engineering. As a Lieutenant in the Brazilian Navy, I've led multidisciplinary teams on mission-critical systems. I love combining engineering rigor, innovation and leadership to solve complex real-world problems.
Background
A path that crosses the Navy, electronics, software engineering and artificial intelligence.
9.5+
GPA (out of 10) with Academic Merit honors in the Electronics Course for Officers
15
years old when I responsibly disclosed CVE-2008-5063, acknowledged by NIST
4
degrees in computing, data science and naval sciences — with a master's on the way
M.Sc. in Computer Science (Software Engineering)
Research on Agentic Artificial Intelligence applied to Software Engineering.
B.Sc. in Computer Science
Foundations in algorithms, software development, databases and computing systems.
Software Engineering & Data Science
Postgraduate degrees covering software architecture, processes, machine learning and data analysis.
B.Sc. in Naval Sciences (Electronics)
The Brazilian Navy's higher education institution, followed by specialization in Electronic Warfare.
Research & Interests
The topics I study, build with and keep coming back to.
Agentic AI for Software Engineering
My master's research focus: autonomous, tool-using AI agents that help plan, write, test and maintain software.
Artificial Neural Networks
Deep learning models and their practical use, from theory to hands-on implementations with TensorFlow and scikit-learn.
Evolutionary Computation
Bio-inspired search and optimization techniques such as genetic algorithms.
Software Engineering
Designing reliable, maintainable systems — with the discipline of an engineer and the pragmatism of an operator.
Radar, Telecom & Electronic Warfare
Radar systems, telecommunications and electronic warfare, rooted in years of naval operations.
Electronics & SDR
Analog and digital electronics, instrumentation, and software defined radios — also on air as PU1YWS.
Skills & Stack
Tools and competencies I rely on day to day.
Languages & Tools
Data Science & AI
Engineering & Leadership
Teaching & Materials
Courses, tools and resources I've put together.
Introdução às Redes Neurais Artificiais
Lecture material and code for an introductory course on artificial neural networks.
Local Inference Calculator
A CLI tool for estimating LLM VRAM requirements. Supports FP32/FP16/INT8/INT4 quantization, 40+ GPUs (NVIDIA, AMD, Google Colab) and models from 7B to 180B parameters — no external dependencies, just Python 3.10+.
python main.py --context 4096 --only-runs quickly finds viable model × GPU combinations.
Solved Textbook Exercises
Worked solutions for classic books in Linear Algebra, Calculus, Analytic Geometry and Electronics.
Writing
Articles on data science, programming and electronics — in plain, easy-to-follow Portuguese.
Detecção de Fraudes em Cartão de Crédito
Building machine learning models to detect fraudulent credit card transactions.
Como Criar Uma Aplicação Blockchain do Zero com Python
An 8-step, hands-on walkthrough for building a simple blockchain from scratch.
Orientação a Objetos em 8 Minutos
Object-oriented programming explained once and for all, in a short and approachable read.