Abraham C.

Key Skills

Software

Other

Clickworker

Top Subject Matter

Computer vision dataset creation and AI language model training data collection

Speech transcription

intent recognition

Top Data Types

Video

Audio

Text

Image

Document

Top Task Types

Data Collection

Text Generation

Classification

Freelancer Overview

AI Training Specialist (Remote) — Luel AI. Brings 10+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other and Clickworker. Education includes Bachelor of Science, University of the People (2023). AI-training focus includes data types such as Video, Audio, and Text and labeling workflows including Data Collection, Evaluation, and Rating.

Labeling Experience

AI Training Specialist (Remote) — Luel AI

OtherVideoData Collection

Created egocentric video datasets to support AI training and computer vision research. Captured and documented real-world scenarios to generate high-quality material for machine learning. Conducted natural conversational recordings with partners to produce training data for AI language models. • Curated video content for scenario coverage and usability • Recorded and documented partner sessions for conversational data • Ensured datasets met use-case requirements for AI training

2026 - Present

Data Annotation Contributor (Remote) — Toloka

OtherAudio

Evaluated and labeled large-scale speech transcription and intent recognition datasets for multilingual corpora. Applied attention to detail and cultural-linguistic judgment to improve annotation diversity and accuracy. Produced structured, actionable quality reports identifying inconsistencies to support compliance with labeling guidelines. • Labeled speech transcription and intent-recognition outputs • Reviewed multilingual data for accuracy and cultural-linguistic fit • Generated quality reports to help teams improve consistency • Maintained top-tier contribution performance for speed and quality

2025 - Present

Administrative Assistant / Data Annotator (Remote) — Upwork

OtherTextClassification

Delivered customized annotation services including text categorization, sentiment analysis, and NLP dataset preparation to international clients. Communicated directly with clients to clarify scope and provide written summaries of completed annotation work. Earned repeat contracts through precision and clear professional communication. • Performed text categorization and sentiment labeling • Prepared NLP datasets according to client requirements • Coordinated with clients on scope and deliverables • Produced written summaries documenting completed work

2021 - Present

Data Labeling Specialist (Remote) — Atlas Capture

OtherVideoText Generation

Reviewed and refined auto-generated video captions for machine learning training sets. Proofread captions for accuracy, tone, and contextual correctness. Maintained high output quality through independent verification and self-review processes. • Corrected caption wording and context alignment • Ensured tone and accuracy matched training requirements • Performed iterative QA checks on caption outputs • Verified consistency using self-review standards

2021 - Present

Data Annotation Specialist (Remote) — Clickworker

ClickworkerTextClassification

Annotated text and image datasets for AI training and conducted QA checks against project-specific annotation guidelines. Supported compliance with labeling standards while working toward strict deadlines. Collaborated asynchronously with distributed global teams to maintain accuracy and throughput. • Labeled text and image data for supervised AI training • Performed QA verification for guideline compliance • Met project deadlines in a distributed workflow • Worked with remote teams to ensure consistent annotation quality

2020 - 2021

Education

Work History