Oguz Buyuktasci

Key Skills

Software

Appen

Clickworker

Data Annotation Tech

iMerit

Labelbox

Mercor

Mindrift

OneForma

OpenCV AI Kit (OAK)

Scale AI

Toloka

Telus

Other

Top Subject Matter

No subject matter listed

Top Data Types

Audio

Document

Text

Top Task Types

Classification

Diagnosis

Evaluation Rating

Prompt Response Writing SFT

Segmentation

Freelancer Overview

Native Turkish speaker with fluent English, working full-time in AI data for the last 2+ years. I currently hold a Senior Q&A Assurance role at Mindrift, where I review, correct, and approve thousands of conversational annotations weekly while mentoring newer contributors and helping refine project guidelines. Before this senior position, I spent extended periods on high-volume contracts with Outlier, TELUS International AI, Appen, and DataAnnotation.tech — consistently hitting 96–99% accuracy and earning direct invites to the hardest, highest-paying tasks.My strongest areas are multi-turn dialogue evaluation, prompt refinement, search relevance rating, and catching cultural/linguistic edge cases that slip past most annotators (especially regional Turkish slang, humor, and politeness levels). I’m the person teams flag when they need a final pair of eyes that won’t let subtle bias, inconsistency, or unnatural phrasing reach production. Deadline-driven, comfortable with any annotation platform, and genuinely enjoy turning messy raw data into the clean, human-sounding fuel that makes models actually understand people.Looking for the next long-term home where I can keep doing senior-level QA work, contribute to guideline creation, and help build even smarter multilingual models.

Labeling Experience

Senior Q&A Assurance – Mindrift

MindriftTextQuestion AnsweringText Generation

Senior-level reviewer and final checkpoint for thousands of weekly Turkish-English conversational prompts, responses, and multi-turn dialogues. Responsible for approving/rejecting annotations, correcting linguistic and cultural inaccuracies, catching subtle bias, regional slang misuse, and coherence issues. Mentor junior annotators, contribute to guideline updates, and maintain 98.5–99% approval accuracy. Focus: making Turkish data feel authentically human while keeping English responses natural and contextually perfect.

Senior-level reviewer and final checkpoint for thousands of weekly Turkish-English conversational prompts, responses, and multi-turn dialogues. Responsible for approving/rejecting annotations, correcting linguistic and cultural inaccuracies, catching subtle bias, regional slang misuse, and coherence issues. Mentor junior annotators, contribute to guideline updates, and maintain 98.5–99% approval accuracy. Focus: making Turkish data feel authentically human while keeping English responses natural and contextually perfect.

2025

Senior Bilingual LLM Data Evaluator – Outlier AI (Long-term Contract)

OtherTextEntity Ner ClassificationClassification

Full-time senior evaluator on one of Outlier’s flagship LLM reasoning projects. Reviewed and ranked thousands of complex Turkish-English prompt-response pairs weekly, with heavy emphasis on logical consistency, cultural accuracy, regional idiom usage, and safety/red-teaming edge cases. Regularly selected for the highest-tier “expert-only” tasks thanks to sustained 97–99% agreement with ground truth and top 3% leaderboard ranking. Acted as final quality gate before data was shipped to model training – zero critical errors in 18+ months.

Full-time senior evaluator on one of Outlier’s flagship LLM reasoning projects. Reviewed and ranked thousands of complex Turkish-English prompt-response pairs weekly, with heavy emphasis on logical consistency, cultural accuracy, regional idiom usage, and safety/red-teaming edge cases. Regularly selected for the highest-tier “expert-only” tasks thanks to sustained 97–99% agreement with ground truth and top 3% leaderboard ranking. Acted as final quality gate before data was shipped to model training – zero critical errors in 18+ months.

2023

Education

Work History