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Matias Reyes

Matias Reyes

RLHF Specialist, BI Analyst and Machine Learning Engineer

Argentina flagNeuquen, Argentina, Argentina
$40.00/hrIntermediateMindriftRemotasksRoboflow

Key Skills

Software

MindriftMindrift
RemotasksRemotasks
RoboflowRoboflow
Scale AIScale AI

Top Subject Matter

No subject matter listed

Top Data Types

Computer Code ProgrammingComputer Code Programming

Top Task Types

Evaluation Rating
Prompt Response Writing SFT
RLHF
Segmentation
Text Generation

Freelancer Overview

I am a Machine Learning Engineer and RLHF Specialist with solid experience in data labeling, AI model training, and quality assurance. At Scale AI, I have trained Large Language Models (LLMs) using Reinforcement Learning from Human Feedback (RLHF), applying prompt engineering techniques, conducting multi-level QA reviews, and refining outputs for clarity, coherence, and accuracy. My work requires not only strong technical foundations in Python, SQL, TensorFlow, and Scikit-learn, but also editorial judgment and critical thinking to align model responses with user intent. Previously, at Anyone AI, I led projects involving data preprocessing, classification models, NLP tasks, and computer vision systems, where I designed end-to-end solutions from ETL pipelines to deployment with Docker and Flask. Combined with my background as a Data Analyst and Project Lead at Rocketpin—delivering BI dashboards and automation for clients such as MercadoLibre, Nestlé, and P&G—I bring a blend of hands-on AI training expertise, project leadership, and cross-functional collaboration that ensures data-driven solutions meet both technical and business needs.

IntermediateEnglishSpanish

Labeling Experience

No Data Labeling experience added

Matias R. hasn’t added any AI Training or Data Labeling experience to their OpenTrain profile yet.

Education

N

National University of Comahue

Bachelor's Degree, Computer Science

Bachelor's Degree
2018 - 2022

Work History

A

Anyone AI

Machine Learning Engineer

N/A
2023 - 2023
R

Rocketpin

Data Analyst & Project Lead

N/A
2022 - 2023