Joseph Masika

Key Skills

Software

AWS SageMaker

CloudFactory

CVAT

iMerit

SuperAnnotate

Surge AI

Toloka

Snorkel AI

Top Subject Matter

No subject matter listed

Top Data Types

Audio

Image

Video

Top Task Types

Audio Recording

Classification

Evaluation Rating

Prompt Response Writing SFT

Translation Localization

Freelancer Overview

With extensive experience in evaluating large language models (LLMs) and data labeling, I have developed a keen eye for detail and accuracy, ensuring the creation of high-quality training datasets for AI systems. My expertise spans various domains, including text classification, sentiment analysis, and entity recognition, where I have contributed to fine-tuning AI models to enhance their performance and precision. I have worked on a wide range of projects, collaborating with cross-functional teams to annotate complex datasets, establish labeling guidelines, and ensure consistency across large volumes of data. My technical proficiency, combined with a strong understanding of AI training processes, positions me as a valuable asset in optimizing machine learning workflows and improving model accuracy.

Labeling Experience

Financial Document Classification and Data Extraction

Snorkel AIAudioClassificationQuestion Answering

Worked on the labeling of financial statements, contracts, and invoices for an AI model designed to automate data extraction and classification. This project involved identifying key information such as transaction details, amounts, dates, and parties involved, and ensuring the model's accuracy in processing diverse financial documents.

Worked on the labeling of financial statements, contracts, and invoices for an AI model designed to automate data extraction and classification. This project involved identifying key information such as transaction details, amounts, dates, and parties involved, and ensuring the model's accuracy in processing diverse financial documents.

2023 - 2025

Medical Image Labeling for Disease Detection

TolokaTextSegmentationObject Detection

Labeling and annotating medical imaging data for training AI models aimed at detecting early signs of diseases such as cancer. I was responsible for annotating various medical images, including X-rays and MRIs, ensuring accuracy in marking abnormalities, and collaborating with medical professionals to refine the annotation guidelines.

Labeling and annotating medical imaging data for training AI models aimed at detecting early signs of diseases such as cancer. I was responsible for annotating various medical images, including X-rays and MRIs, ensuring accuracy in marking abnormalities, and collaborating with medical professionals to refine the annotation guidelines.

2022 - 2024

Education

Work History