Marco Dulay

Key Skills

Software

Other

Appen

Top Subject Matter

Computer Vision

LLM Evaluation

Natural Language Processing

Top Data Types

Image

Text

Video

Top Task Types

Classification

Bounding Box

Segmentation

Polygon

Cuboid

Freelancer Overview

AI Annotator (Independent Contractor). Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other and Appen. Education includes Bachelor of Science, Cavite State University - Indang Campus. AI-training focus includes data types such as Image, Text, and Video and labeling workflows including Classification, Evaluation, and Rating.

Labeling Experience

AI Annotator (Independent Contractor)

OtherImageClassification

I worked as an AI Annotator engaged in processing images for computer vision tasks. My responsibilities also included rating LLMs for quality output in text and image generation. This role required close adherence to guidelines and quality standards in the annotation process. • Processed images for computer vision model training • Rated LLM text and image output for quality • Followed rigorous annotation and review guidelines • Ensured delivery of high-quality labeled data

I worked as an AI Annotator engaged in processing images for computer vision tasks. My responsibilities also included rating LLMs for quality output in text and image generation. This role required close adherence to guidelines and quality standards in the annotation process. • Processed images for computer vision model training • Rated LLM text and image output for quality • Followed rigorous annotation and review guidelines • Ensured delivery of high-quality labeled data

2025 - 2026

AI Trainer (Independent Contractor)

OtherText

I served as an AI Trainer responsible for training large language models. I was involved in annotating, reviewing, and quality assurance of tasks according to detailed guidelines. My work ensured the completion of high-quality tasks for LLM onboarding and refinement. • Created and annotated high-quality language tasks • Reviewed and corrected task details • Conducted QA to meet onboarding standards • Supported LLM training workflows

I served as an AI Trainer responsible for training large language models. I was involved in annotating, reviewing, and quality assurance of tasks according to detailed guidelines. My work ensured the completion of high-quality tasks for LLM onboarding and refinement. • Created and annotated high-quality language tasks • Reviewed and corrected task details • Conducted QA to meet onboarding standards • Supported LLM training workflows

2025 - 2025

Annotator / Transcriber

AppenVideoClassification

As an Annotator and Transcriber, I supervised peers, processed video data, and transcribed audio for AI datasets. This position demanded timely task completion and stringent quality control to produce accurate outputs. Multitasking between annotation and transcription was essential for meeting project requirements. • Supervised and maintained annotation quality • Processed and labeled video files quickly • Transcribed voice data for speech recognition • Ensured quality control under strict deadlines

As an Annotator and Transcriber, I supervised peers, processed video data, and transcribed audio for AI datasets. This position demanded timely task completion and stringent quality control to produce accurate outputs. Multitasking between annotation and transcription was essential for meeting project requirements. • Supervised and maintained annotation quality • Processed and labeled video files quickly • Transcribed voice data for speech recognition • Ensured quality control under strict deadlines

2020 - 2020

Image Annotator

AppenImageClassification

I was responsible for image and video annotation, providing detailed labels to enhance model training. This work involved independent and adaptive task management to support diverse computer vision applications. Careful attention to detail was required to uphold data quality standards. • Processed and annotated images and videos • Ensured data met required label precision • Adapted quickly to changing project needs • Delivered results with minimal supervision

I was responsible for image and video annotation, providing detailed labels to enhance model training. This work involved independent and adaptive task management to support diverse computer vision applications. Careful attention to detail was required to uphold data quality standards. • Processed and annotated images and videos • Ensured data met required label precision • Adapted quickly to changing project needs • Delivered results with minimal supervision

2018 - 2020

Education

Work History