Harrison I.

Key Skills

Software

Toloka

Other

Data Annotation Tech

Top Subject Matter

NLP data labeling

LLM evaluation

search relevance and intent verification.

Top Data Types

Text

Audio

Image

Top Task Types

Transcription

Data Collection

Question Answering

Object Detection

Freelancer Overview

I am an efficient and detail-oriented AI Data Specialist with hands-on experience in high-fidelity data collection, annotation, and human-in-the-loop validation for machine learning models. Across global research and crowdsourcing platforms like Pulse Labs, Toloka, and Luel.ai, I have managed diverse, large-scale datasets spanning text, audio, and video modalities. My projects range from analyzing social media algorithmic patterns and evaluating LLM search relevance to executing high-speed, timestamped audio transcriptions with multi-speaker diarization. By blending strict quality control with an ability to adapt quickly to complex, dynamic guidelines, I consistently achieve optimal accuracy scores on developer dashboards.  What sets me apart is a unique combination of advanced linguistic comprehension and multimedia technical literacy. My background in managing a digital content platform with over 1,600 subscribers gives me an intuitive, everyday familiarity with technical audio/video software, digital audio workflows, and data formats—enabling me to deliver premium-tier multimedia annotation. Furthermore, my formal academic strengths in Literature-in-English translate directly into high-level capabilities for semantic parsing, text validation, and grammar checking, making me a highly effective asset for training advanced Natural Language Processing (NLP) and Large Language Model (LLM) applications. Thank you

Labeling Experience

AI Data Contributor & Research Participant

TextData Collection

Participated in multi-hour user interaction tracking studies contributing behavioral data used to optimize AI-driven media recommendation engines. Logged structured qualitative and quantitative dataset entries aligned with comprehensive research benchmarks. Provided structured evaluation feedback through remote collaboration to improve AI pipelines. • Captured behavioral and interaction signals related to social media algorithm dynamics. • Entered and reviewed dataset records to ensure benchmark compliance. • Delivered evaluation feedback used to tune recommendation engines. • Coordinated remotely with research participants and stakeholders.

2026 - Present

Data Labeler & AI Training Specialist (Freelance/Remote)

OtherAudioTranscription

Executed high-fidelity audio-to-text transcription tasks with rigorous timestamp accuracy for multi-speaker content. Applied precise diarization to ensure attributed dialogue segments aligned with the audio. Completed transcription outputs that met strict project quality standards. • Produced accurate transcripts with detailed timestamp alignment. • Performed multi-speaker diarization consistent with client instructions. • Validated transcription quality against guidelines for consistency. • Ensured compliance with data handling and privacy expectations during labeling.

2025 - Present

Data Labeler & AI Training Specialist (Freelance/Remote)

TolokaText

Contributed to large-scale text dataset annotation to support NLP model optimization across remote crowdsourcing projects. Performed intent verification, search relevance evaluation, and human-in-the-loop side-by-side LLM model comparisons. Followed dynamic client guidelines to ensure high label fidelity and consistent scoring. • Labeled and validated text classification and intent-related annotations per project rubrics. • Conducted search relevance and quality checks for retrieval/assistive AI workflows. • Compared LLM model outputs using structured evaluation criteria. • Maintained optimal quality scores on client dashboards through strict adherence to requirements.

2025 - Present

Education

Work History