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Nicolò Castello

Nicolò Castello

LLM Trainer and Finetuner

Italy flagLugo di Vicenza, Italy
$16.00/hrIntermediateInternal Proprietary ToolingOther

Key Skills

Software

Internal/Proprietary Tooling
Other

Top Subject Matter

Artificial Intelligence/Natural Language Processing

Top Data Types

TextText
ImageImage

Top Task Types

Fine Tuning

Freelancer Overview

LLM Trainer and Finetuner. Brings 1+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include PyTorch. Education includes Diploma, Liceo F. Corradini (2022). AI-training focus includes data types such as Text and labeling workflows including Fine-tuning.

IntermediateEnglishItalian

Labeling Experience

LLM Trainer and Finetuner

TextFine Tuning
I designed and trained a large language model (~0.5B parameters) from scratch, focusing on computational efficiency and resource optimization. The process involved preparing and curating datasets for training, finetuning the AI, and iteratively evaluating model performance. This experience required technical understanding of deep learning and careful management of labeled data for supervised learning. • Prepared datasets for AI training and evaluation • Implemented quantization techniques to reduce memory usage • Used Mixture of Experts architecture for scalability • Compared inference performance with leading models

I designed and trained a large language model (~0.5B parameters) from scratch, focusing on computational efficiency and resource optimization. The process involved preparing and curating datasets for training, finetuning the AI, and iteratively evaluating model performance. This experience required technical understanding of deep learning and careful management of labeled data for supervised learning. • Prepared datasets for AI training and evaluation • Implemented quantization techniques to reduce memory usage • Used Mixture of Experts architecture for scalability • Compared inference performance with leading models

2024 - Present

Education

L

Liceo F. Corradini

Diploma, Applied Sciences

Diploma
2022

Work History

M

Moda Maino

Programmer

Lugo di Vicenza
2025 - 2025