Mustafa Engin

Key Skills

Software

Scale AI

Top Subject Matter

General AI/LLM Training and Quality Assessment

LLM Training and Software/Code Evaluation

Turkish Question Answering

Top Data Types

Computer Code Programming

Text

Image

Top Task Types

Computer Programming/Coding

RLHF

Freelancer Overview

AI Trainer - CUA Tutor. Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal, Proprietary Tooling, and Scale AI. Education includes Bachelor of Science, Gazi University and N/A, Anadolu University (Open Education). AI-training focus includes data types such as Text, Computer Code, and Programming and labeling workflows including Evaluation, Rating, and RLHF.

Labeling Experience

Software Developer - LLM Training

As a Software Developer involved in LLM training at AfterQuery Expert, I designed and evaluated tasks using code-based environments for the purpose of AI model benchmarking. My primary focus was on constructing and testing terminal-based workflows within Docker and Bash/Linux systems. This work contributed directly to the evaluation and improvement of large language models through carefully crafted coding scenarios. • Designed evaluation tasks for code generation and execution. • Developed automated workflows for LLM performance assessment. • Implemented diverse coding scenarios to challenge AI comprehension. • Benchmarked and rated AI model outputs for accuracy and reliability.

As a Software Developer involved in LLM training at AfterQuery Expert, I designed and evaluated tasks using code-based environments for the purpose of AI model benchmarking. My primary focus was on constructing and testing terminal-based workflows within Docker and Bash/Linux systems. This work contributed directly to the evaluation and improvement of large language models through carefully crafted coding scenarios. • Designed evaluation tasks for code generation and execution. • Developed automated workflows for LLM performance assessment. • Implemented diverse coding scenarios to challenge AI comprehension. • Benchmarked and rated AI model outputs for accuracy and reliability.

2025 - Present

AI Trainer - CUA Tutor

Text

As an AI Trainer - CUA Tutor at XAI (Grok), I contributed to the training of Grok AI models through comprehensive data preparation, annotation, and labeling. My responsibilities included ensuring data quality, advancing model behavior, and participating in the evaluation of multiple AI projects. These initiatives focused on both the development and optimization of AI systems across various domains. • Performed detailed labeling and annotation on text data for Grok models. • Conducted quality assessments and provided feedback for model improvement. • Participated in behavioral optimization of AI responses and outputs. • Supported specialized projects through targeted evaluation and annotation work.

As an AI Trainer - CUA Tutor at XAI (Grok), I contributed to the training of Grok AI models through comprehensive data preparation, annotation, and labeling. My responsibilities included ensuring data quality, advancing model behavior, and participating in the evaluation of multiple AI projects. These initiatives focused on both the development and optimization of AI systems across various domains. • Performed detailed labeling and annotation on text data for Grok models. • Conducted quality assessments and provided feedback for model improvement. • Participated in behavioral optimization of AI responses and outputs. • Supported specialized projects through targeted evaluation and annotation work.

2025 - Present

Mini Pod Lead

Scale AIComputer Code ProgrammingComputer Programming CodingRLHF

Coding

Coding

2024 - 2025

Education

Work History