Ethan Kawalski

Key Skills

Software

Mercor

Remotasks

Scale AI

Top Subject Matter

No subject matter listed

Top Data Types

Image

Text

Top Label Types

Evaluation Rating

Classification

Freelancer Overview

I am a data analyst and machine learning specialist with hands-on experience in data annotation, labeling pipelines, and supporting AI model development. I have worked remotely with leading AI companies to deliver high-quality, accurate datasets that enhance model performance across various domains. My expertise includes data analysis, statistical interpretation, and visualization using tools like Excel, as well as data processing with Python. I am skilled in managing large-scale annotation projects, performing rigorous quality assurance, and collaborating with global teams in agile environments. My background in computer science and machine learning enables me to bridge the gap between technical requirements and practical data labeling solutions.

Labeling Experience

Machine Learning Associate

MercorImageEvaluation Rating

Supported machine learning workflows and AI model evaluation for data-driven projects. Assisted in various AI validation and data labeling tasks across remote teams. Executed data operations that contributed to workflow efficiency and model quality. • Conducted hands-on AI model validation tasks. • Provided support in text data labeling and pipeline QA. • Assisted with annotation quality checks for model improvement. • Collaborated with analysts and engineers globally.

Supported machine learning workflows and AI model evaluation for data-driven projects. Assisted in various AI validation and data labeling tasks across remote teams. Executed data operations that contributed to workflow efficiency and model quality. • Conducted hands-on AI model validation tasks. • Provided support in text data labeling and pipeline QA. • Assisted with annotation quality checks for model improvement. • Collaborated with analysts and engineers globally.

2025 - 2025

Audio Data annotation and tracking for LLM

Scale AIAudioTracking

Contributed to LLM training by performing high-accuracy audio annotation and tracking using Remotasks. Specialized in speech segmentation, speaker labeling, and quality assurance while maintaining strict annotation guidelines and deadlines.

Contributed to LLM training by performing high-accuracy audio annotation and tracking using Remotasks. Specialized in speech segmentation, speaker labeling, and quality assurance while maintaining strict annotation guidelines and deadlines.

2024 - 2025

AI Data Annotator & Analyst

Scale AIVideoClassification

Performed large-scale data annotation and quality assurance for text datasets used in AI training. Enhanced dataset accuracy to improve the overall performance of deployed models. Collaborated with annotation teams to meet project deadlines and quality standards. • Annotated and classified large text datasets. • Conducted thorough data QA to ensure consistency. • Improved dataset reliability through detailed review. • Utilized digital productivity tools for task management.

Performed large-scale data annotation and quality assurance for text datasets used in AI training. Enhanced dataset accuracy to improve the overall performance of deployed models. Collaborated with annotation teams to meet project deadlines and quality standards. • Annotated and classified large text datasets. • Conducted thorough data QA to ensure consistency. • Improved dataset reliability through detailed review. • Utilized digital productivity tools for task management.

2024 - 2025

AI Data Specialist

MercorComputer Code ProgrammingClassification

Managed datasets and handled text data labeling pipelines for AI applications. Coordinated with global teams to ensure smooth data processing and annotation workflow. Oversaw data annotation procedures and contributed to higher dataset usability. • Led text data labeling projects to completion. • Facilitated efficient data transfer and annotation workflows. • Assisted in annotation guideline updates and implementation. • Ensured quality control of labeled datasets.

Managed datasets and handled text data labeling pipelines for AI applications. Coordinated with global teams to ensure smooth data processing and annotation workflow. Oversaw data annotation procedures and contributed to higher dataset usability. • Led text data labeling projects to completion. • Facilitated efficient data transfer and annotation workflows. • Assisted in annotation guideline updates and implementation. • Ensured quality control of labeled datasets.

2022 - 2023

Education

Work History