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P

Pınar Şahin

Advanced AI Data Trainer

Turkey flagOsmaniye, Turkey
$25.00/hrExpert

Key Skills

Software

No software listed

Top Subject Matter

Natural Language Processing/AI Model Training
AI Data Annotation/Quality Assurance
AI Data Annotation/Project Management

Top Data Types

TextText
DocumentDocument

Top Task Types

RLHFRLHF
SegmentationSegmentation
ClassificationClassification
Text GenerationText Generation
Question AnsweringQuestion Answering
Text SummarizationText Summarization
Red TeamingRed Teaming
TranscriptionTranscription
Data CollectionData Collection
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)

Freelancer Overview

Advanced AI Data Trainer. Brings 13+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Doctor of Philosophy, Eastern Mediterranean University (2020) and Master of Arts, European University of Lefke (2020). AI-training focus includes data types such as Text and labeling workflows including RLHF, Evaluation, and Rating.

ExpertEnglishTurkish

Labeling Experience

Quality Analyst

Text
As a Quality Analyst at Invisible Technologies Inc., I evaluate trainer outputs for accuracy and provide feedback for improvement. My work involves verifying guideline compliance across annotation projects and generating quality assurance reports. I help maintain integrity and reliability in the development of datasets used for AI models. • Evaluate data labeled by AI trainers • Provide structured feedback on annotation quality • Verify compliance with labeling guidelines • Generate quality reports for data annotation projects

As a Quality Analyst at Invisible Technologies Inc., I evaluate trainer outputs for accuracy and provide feedback for improvement. My work involves verifying guideline compliance across annotation projects and generating quality assurance reports. I help maintain integrity and reliability in the development of datasets used for AI models. • Evaluate data labeled by AI trainers • Provide structured feedback on annotation quality • Verify compliance with labeling guidelines • Generate quality reports for data annotation projects

2025 - Present

Team Lead

Text
As Team Lead, I supervised the full lifecycle of AI data labeling projects, tracking progress and maintaining high quality standards at every phase. My role required fostering collaboration within the team and proactively managing project challenges to keep annotation efforts aligned with strategic goals. I set performance benchmarks and provided targeted support to enhance team output in data annotation and AI model training. • Supervised entire data labeling project cycles • Tracked annotation progress and ensured quality • Fostered collaboration to enhance AI training data • Addressed challenges to maintain alignment with project priorities

As Team Lead, I supervised the full lifecycle of AI data labeling projects, tracking progress and maintaining high quality standards at every phase. My role required fostering collaboration within the team and proactively managing project challenges to keep annotation efforts aligned with strategic goals. I set performance benchmarks and provided targeted support to enhance team output in data annotation and AI model training. • Supervised entire data labeling project cycles • Tracked annotation progress and ensured quality • Fostered collaboration to enhance AI training data • Addressed challenges to maintain alignment with project priorities

2024 - 2024

Quality Analyst Lead

Text
As Quality Analyst Lead, I managed a team ensuring that data annotation outputs met strict quality, accuracy, and consistency standards. My key duties were overseeing quality assurance workflows, mentoring team members, and handling escalations or edge cases within labeling projects. I devised strategies to continuously elevate the performance and reliability of AI training data. • Led a team overseeing annotation QA processes • Ensured consistency and accuracy in labeled data • Developed quality control guidelines for the team • Orchestrated reviews of high-impact data edge cases

As Quality Analyst Lead, I managed a team ensuring that data annotation outputs met strict quality, accuracy, and consistency standards. My key duties were overseeing quality assurance workflows, mentoring team members, and handling escalations or edge cases within labeling projects. I devised strategies to continuously elevate the performance and reliability of AI training data. • Led a team overseeing annotation QA processes • Ensured consistency and accuracy in labeled data • Developed quality control guidelines for the team • Orchestrated reviews of high-impact data edge cases

2023 - 2024

Quality Analyst

Text
As a Quality Analyst at Invisible Technologies Inc., I was responsible for evaluating trainer output against established guidelines. My tasks included providing structured feedback to trainers, verifying adherence to annotation instructions, and preparing quality reports. I contributed to maintaining high data quality for AI training datasets. • Evaluated trainer-labeled data for quality • Provided feedback for annotation improvement • Verified adherence to guidelines across tasks • Authored quality assurance reports for project stakeholders

As a Quality Analyst at Invisible Technologies Inc., I was responsible for evaluating trainer output against established guidelines. My tasks included providing structured feedback to trainers, verifying adherence to annotation instructions, and preparing quality reports. I contributed to maintaining high data quality for AI training datasets. • Evaluated trainer-labeled data for quality • Provided feedback for annotation improvement • Verified adherence to guidelines across tasks • Authored quality assurance reports for project stakeholders

2023 - 2023

Advanced AI Data Trainer

TextRLHF
As an Advanced AI Data Trainer, I focused on refining and advancing AI models to improve performance and output quality. My work included implementing supervised fine-tuning (SFT), reinforcement learning from human feedback (RLHF), retrieval-augmented generation (RAG), and conducting model evaluations. I collaborated with cross-functional teams to ensure alignment with project goals and best practices. • Conducted advanced text-based model evaluations • Applied RLHF techniques to train AI models • Implemented SFT and RAG processes for model improvement • Collaborated with teams to maintain data annotation standards

As an Advanced AI Data Trainer, I focused on refining and advancing AI models to improve performance and output quality. My work included implementing supervised fine-tuning (SFT), reinforcement learning from human feedback (RLHF), retrieval-augmented generation (RAG), and conducting model evaluations. I collaborated with cross-functional teams to ensure alignment with project goals and best practices. • Conducted advanced text-based model evaluations • Applied RLHF techniques to train AI models • Implemented SFT and RAG processes for model improvement • Collaborated with teams to maintain data annotation standards

2023 - 2023

Education

E

European University of Lefke

Master of Arts, English Language Teaching

Master of Arts
2018 - 2020
S

Sabancı University

Certificate, Language Education

Certificate
2018 - 2018

Work History

O

Osmaniye Korkut Ata University

English Instructor

Osmaniye
2025 - Present
E

Educational Testing Service

Test Center Administrator

N/A
2021 - 2023