Denis N.

Key Skills

Software

Labelbox

CVAT

SuperAnnotate

Label Studio

Scale AI

Dataloop

Top Subject Matter

AI training data preparation and content evaluation

Transcription and content quality review for AI/data preparation

Top Data Types

Text

Audio

Image

Top Task Types

Transcription

Question Answering

Text Generation

Text Summarization

Evaluation/Rating

Freelancer Overview

Data Annotation & AI Training Specialist (Freelance) | 2024–Present. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include N and A. Education includes Certificate or Diploma Level Education, N/A. AI-training focus includes data types such as Text and Audio and labeling workflows including Evaluation, Rating, and Transcription.

Labeling Experience

Data Annotation & AI Training Specialist (Freelance) | 2024–Present

Text

Served as a Data Annotation & AI Training Specialist performing dataset annotation and AI content reviews. Conducted quality checks to ensure labeled data and AI-generated outputs met accuracy requirements. Contributed to AI training projects by supporting data enrichment and review workflows. • Annotated datasets and reviewed AI-generated content for quality • Performed quality assurance checks on training inputs • Supported AI data enrichment and training contributions • Ensured accuracy and consistency of annotated materials

2024 - Present

Transcriptionist & Content Reviewer (Freelance) | 2023–Present

AudioTranscription

Worked as a transcriptionist and content reviewer supporting AI/data labeling workflows through accurate audio-to-text transcription. Reviewed delivered content quality to maintain consistency and correctness. Provided timely project outputs aligned with data preparation and evaluation requirements. • Transcribed audio into text for downstream use • Reviewed content quality for accuracy and completeness • Delivered projects accurately and on time • Supported preparation of usable training/review datasets

2023 - Present

Education

Work History