Antonio K.

Key Skills

Software

Don't disclose

Appen

CloudFactory

Top Subject Matter

Trust & Safety / UGC moderation and AI model evaluation

Trust & Safety / UGC moderation and dataset annotation for ML

ML training dataset annotation and evaluation support

Top Data Types

Text

Document

Top Task Types

RLHF

Classification

Bounding Box

Polygon

Segmentation

Entity (NER) Classification

Point/Key Point

Polyline

Cuboid

Object Detection

Text Generation

Question Answering

Text Summarization

Fine-tuning

Red Teaming

Transcription

Evaluation/Rating

Computer Programming/Coding

Data Collection

Function Calling

Prompt + Response Writing (SFT)

Freelancer Overview

Machine Learning Consultant (Remote) — Vodacom (Contract). Brings 7+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Don't disclose, Appen, and CloudFactory. Education includes Master of Science, Donghua University (2023) and Bachelor of Science, Mapúa University (2020). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and RLHF.

Labeling Experience

Machine Learning Consultant (Remote) — Vodacom (Contract)

Don't discloseText

Worked as a Machine Learning Consultant focused on Trust & Safety evaluation activities using labeled insights from AI output reviews. • Evaluated model outputs and reasoning for compliance and safety. • Produced structured feedback to improve RLHF and supervised fine-tuning pipelines. • Conducted high-quality annotation on complex user-generated content datasets. • Performed data analysis to surface trends, anomalies, and weaknesses for reporting.

2023 - Present

Trust & Safety / AI Data Analyst (Remote) — Appen Ltd.

AppenTextRLHF

Served as a Trust & Safety / AI Data Analyst by moderating and labeling user-generated content for machine learning training and validation. • Labeled and annotated datasets to support model training and validation. • Moderated UGC using AI-assisted tools. • Reviewed edge cases and ambiguous content to improve policy enforcement accuracy. • Contributed human feedback to support RLHF processes.

2021 - 2022

Junior Machine Learning / Data Analyst (Remote) — CloudFactory

CloudFactoryTextClassification

Worked as a Junior Machine Learning / Data Analyst performing large-scale data annotation to support ML training datasets and model evaluation. • Executed annotation tasks for machine learning training datasets. • Assisted with model evaluation, validation, and performance tracking. • Conducted exploratory data analysis to identify trends and inconsistencies. • Ensured data accuracy and compliance with annotation guidelines.

2020 - 2021

Education

Work History