Nelson Joppi
Data Scientist
Santa Catarina, Brazil
Summary
👤
Senior🎓
Top SchoolNelson Joppi is a Data Scientist and AI Engineer with 10 years of experience building production-grade ML and LLM systems across both public sector and commercial settings. He has driven end-to-end GenAI initiatives—from designing prompt architectures and hybrid intent routing for a WhatsApp sales assistant at Stone to re-architecting a nationally recognized government GenAI platform (VigIA) that processes large-scale procurement data. Nelson blends ML engineering, data pipeline design (Spark/Hadoop, Airflow), and pragmatic LLMOps practices—advocating controllable knowledge selection and tool-mediated guardrails to improve reliability in the field. He also brings hands-on product experimentation experience, having established A/B testing methodology and tooling for agent-facing features. Comfortable shipping integrations across backend, UI, and orchestration layers, he pairs technical depth with frequent user discovery (shadowing, 1:1s) to ground AI solutions in real-world workflows.
10 years of coding experience
4 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Universidade Federal de Santa Catarina (UFSC)
Portuguese, English, Spanish
Stackoverflow
446reputation
48kreached
8answers
5questions
Github Skills (45)
editor9
microsoft9
electron9
javascript9
visual-studio-code9
python9
vscode-extension9
machine-learning9
typescript9
open-source9
deep-learning9
vscode9
tensorflow8
visual-studio8
pytorch8
Programming languages (5)
Github contributions (5)
njoppi2/my-scripts
Aug 2022 - Mar 2023
Contributions:70 commits, 76 pushes, 5 branches in 6 months
njoppi2/website-project
Jul 2021 - Aug 2023
🚀 A space travel themed website, for desktop and mobile users
Contributions:2 PRs, 51 pushes, 10 branches in 2 years 1 month
cssjavascriptreactjs
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.