Nurettin O.

Key Skills

Software

Appen

Data Annotation Tech

SuperAnnotate

Top Subject Matter

AI Content Reviewer

AI Content Evaluation

AI Trainer

Top Data Types

Text

Video

Image

Top Task Types

Geocoding

Text Generation

Text Summarization

Transcription

Question Answering

Object Detection

Classification

Data Collection

Function Calling

Prompt + Response Writing (SFT)

Freelancer Overview

Data Verification Specialist – Yandex Maps. Brings 8+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Toloka and Appen. Education includes Bachelor of Science, University College of Enterprise and Administration (2022) and Bachelor of Science, Atatürk University (2023). AI-training focus includes data types such as Geospatial, Tiled Imagery, and Text and labeling workflows including Geocoding, Evaluation, and Rating.

Labeling Experience

Data Verification Specialist – Yandex Maps

TolokaGeocoding

As a Data Verification Specialist for Yandex Maps, I was responsible for verifying the accuracy and quality of geospatial data. I ensured that mapped locations were correctly labeled and up-to-date. My work contributed to the improvement of the digital mapping service used by millions. • Quality assurance of location and address data • Verification of mapping and navigation accuracy • Correction of inconsistencies in map entries • Collaboration with mapping and data teams

2024 - Present

AI Data Analyst – Mindy Support (Project-Based)

AppenText

As an AI Data Analyst at Mindy Support, I evaluated and rated AI-generated content to ensure alignment with project guidelines. I provided structured feedback and conducted data quality assessments. This work contributed directly to the training and improvement of AI models. • Evaluation of AI-generated responses • Assessment of data quality and relevance • Feedback for model fine-tuning • Detailed reporting of findings

2025 - 2026

Education

Work History