Lázaro Ventancor Cressatti
Systems Engineer ·
AI & Web Developer
Building production-grade web products and machine learning systems. Currently leading AI at TradeSpark, an Argentine capital-markets fintech.
Projects
AI Portfolio Rotation (TradeSpark)
ML Research · Internship
ML system for equity signal generation — sequential neural network trained on 2M+ rows, from raw market data to walk-forward validated predictions.
CEApp (Red de CEAs)
Web App · Production
Multi-tenant platform for Agricultural Training Centers. Public sites + centralized admin panel managing registrations, capacitation lifecycle states, and data exports for government agencies.
GuessTheClip
Game · Web App
Heardle-style guessing game: identify a YouTube creator's video from a growing audio clip. Multiple reveal mechanics, difficulty modes, and chained runs.
My Automata
Web Tool · CS
Online editor for designing, testing, and sharing finite automata (DFA/NFA). Built to translate formal computation theory into an interactive tool.
Semillero
Web App · Production
HR portal with candidate registration, CV upload, and admin backoffice for job postings and application management.
Games
Game Dev
Mobile games published on Google Play: Donut Tunnel, Neon Hover, Planet Dance. Procedural generation, orbit simulation, gameplay loops.
Work & Education
AI Developer
TradeSpark · Full-time
Tandil, Buenos Aires Province, Argentina · Hybrid
Machine Learning Engineering Intern
TradeSpark | 2025
Designed and implemented a machine learning pipeline for stock return prediction, integrating data preprocessing, feature engineering, and model evaluation. Applied AI and data-driven insights to algorithmic trading strategies.
Systems Engineering
UNICEN · Graduate
5-year licentiate program equivalent to an MSc, completed with a 8.93/10 GPA. Rigorous coursework in linear algebra, calculus, discrete math, data structures, and algorithms.
Teaching Assistant
UNICEN | Faculty of Sciences
Teaching "Intro to Computer Science" and "Computer Architecture". Responsible for guiding practical classes, grading midterms, and explaining foundational concepts to 100+ incoming freshmen.
Online Learning — Web, AI & Math Track
Platzi | 2020 - Present
35+ courses spanning frontend development, machine learning, and mathematical foundations. Platzi is where I built my initial engineering intuition before university and where I keep learning whenever curiosity beats the syllabus.
About
I'm a Systems Engineer, graduated from UNCPBA (Argentina). I build
web products and work on AI applied to financial markets.
At TradeSpark, I lead and build the AI area as its main engineer. My
work is building tools to solve real problems that traders and
financial analysts face day to day, bringing in AI where it's
genuinely needed and worthwhile.
Skills
Used in production
React
Sass
Firebase
Git
Figma
Python
Applied in research / learning
TensorFlow
Keras
C#
Unity
PostgreSQL
Email
GitHub
LinkedIn