Aba A.

Key Skills

Software

Micro1

Mercor

Remotasks

Telus

Top Subject Matter

Video Diarization

Multi-Speaker Content

Labeling QA

Top Data Types

Video

Text

Audio

Top Task Types

Classification

Bounding Box

Question Answering

Text Generation

RLHF

Evaluation/Rating

Data Collection

Transcription

Text Summarization

Freelancer Overview

Data Annotation Expert with over 4 years of experience in complex workflows, research, and quality-driven execution. Core strengths include, but are not limited to, Video, Text, and Image Classification, Evaluation, and Rating.

Labeling Experience

Video Diarization Expert

Micro1VideoClassification

As a Video Diarization Expert at Micro1, I enhanced multi-speaker video content quality through labeling strategies. I implemented audio segmentation and visual speaker labeling for more efficient navigation experiences. I refined AI-human interaction models to deal with overlapping speech and background noise, improving output accuracy. • Labeled speakers and segments in multi-speaker video and audio content. • Developed innovative strategies for content discoverability. • Improved AI model management of edge cases, such as overlapping speech. • Focused on boosting scan-and-navigate efficiency for users.

2026 - Present

QA Reviewer

Micro1TextSegmentation

As a QA Reviewer at Micro1, I performed comprehensive quality reviews of labeled data tasks. I identified errors and recommended improvements for better data integrity. I ensured adherence to internal guidelines through detailed checks. • Verified labeled data meets defined quality standards. • Audited recurring errors and recommended corrective actions. • Maintained consistency of quality across deliverables. • Assisted team members with best practices in labeling workflows.

2026 - 2026

Digital Annotation Expert

MercorImageData Collection

As a Digital Annotation Expert at Mercor, I annotated and evaluated hundreds of multi-modal AI outputs daily. I delivered precise annotations within large-scale workflows to support model training and tuning. I helped ensure strong accuracy and relevance across images, audio, and video. • Ranked responses for quality and coherence against prompts. • Utilized resources and videos to increase annotation quality. • Contributed to dependable training datasets for AI. • Maintained efficiency in high-volume annotation environments.

2025 - 2026

Audio Model Trainer

MercorAudioTranscription

As an Audio Model Trainer at Mercor, I performed preference rankings on multi-modal AI outputs including audio, images, and video. I applied judgment techniques to evaluate relevance, quality, and coherence for generative model outputs. I contributed reliable annotation data for model fine-tuning and collaborated on improving model capabilities. • Ensured model alignment and consistent evaluation across modalities. • Maintained high annotation accuracy in large-scale workflows. • Provided actionable feedback to AI teams for model improvement. • Focused on quality and relevance for generative outputs.

2025 - 2025

Auditor

MercorTextText Generation

As an Auditor at Mercor, I conducted quality reviews of team deliverables related to labeled data. I identified labeling inconsistencies and recommended process improvements. I ensured all labeled data met quality benchmarks through comprehensive verification. • Provided guidance to team on labeling best practices. • Audited team deliverables for compliance with guidelines. • Suggested improvements to labeling workflows based on trend analysis. • Verified adherence to established quality benchmarks.

2025 - 2025

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Education

Work History