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Sébastien Burner

Sébastien Burner

French-English AI Expert: Prompts, LLM Eval & Data Annotation

FRANCE flag
Limoges, France
$20.00/hrExpertAppenClickworkerData Annotation Tech

Key Skills

Software

AppenAppen
ClickworkerClickworker
Data Annotation TechData Annotation Tech
LionbridgeLionbridge
OneFormaOneForma
TolokaToloka
TelusTelus
Scale AIScale AI

Top Subject Matter

No subject matter listed

Top Data Types

ImageImage
TextText
VideoVideo

Top Label Types

Classification
Evaluation Rating
Prompt Response Writing SFT
Text Generation
Translation Localization

Freelancer Overview

With 15+ years as a search engine evaluator, I've mastered data quality assessment and relevance judgment, skills I've applied to 2 years as a bilingual French-English AI trainer. I specialize in prompt writing to optimize LLM interactions, evaluating responses for factuality, style, format, and context, and annotating datasets to refine generative models—boosting relevance by 20-30% in key projects. My analytical precision and multilingual expertise set me apart, enabling inclusive, high-accuracy training data for global AI initiatives.

ExpertFrenchGermanSpanishCatalanEnglish

Labeling Experience

Data Annotation Tech

French-English AI training

Data Annotation TechTextQuestion AnsweringFine Tuning
Enhancing multilingual chatbots and generative AI models like GPT variants. Guiding chatbot conversations, writing novel dialogues, evaluating responses for accuracy/style/context.

Enhancing multilingual chatbots and generative AI models like GPT variants. Guiding chatbot conversations, writing novel dialogues, evaluating responses for accuracy/style/context.

2025
OneForma

English-French Machine Translation Post-Editing

OneformaTextTranslation Localization
Post-editing AI-generated translations (e.g., news/blogs/finance) for accuracy, natural flow, and context.

Post-editing AI-generated translations (e.g., news/blogs/finance) for accuracy, natural flow, and context.

2023
Appen

French speech collection

AppenAudioAudio Recording
Speech data collection for training AI models in speech-to-text (STT), automatic speech recognition (ASR), text-to-speech (TTS), and bias detection.

Speech data collection for training AI models in speech-to-text (STT), automatic speech recognition (ASR), text-to-speech (TTS), and bias detection.

2022
Telus

Search engine evaluation

TelusTextEvaluation Rating
Assessing the quality and relevance of online search results to improve search engine algorithms and user experiences. Analyzing user queries, rating search results based on accuracy, context, and usefulness, and evaluating AI-generated content or ads for factual errors, style, and alignment with user intent, involving tools for data annotation or quick feedback on videos, images and web content.

Assessing the quality and relevance of online search results to improve search engine algorithms and user experiences. Analyzing user queries, rating search results based on accuracy, context, and usefulness, and evaluating AI-generated content or ads for factual errors, style, and alignment with user intent, involving tools for data annotation or quick feedback on videos, images and web content.

2010
Scale AI

French AI safety evaluation

Scale AITextText GenerationFine Tuning
AI training project focused on improving multimodal and generative models through supervised fine-tuning (SFT), prompt creation, response evaluation, and data annotation. The goal was to ensure ethical AI development, including dealing with "sensitive" or "harmful" content like misinformation, bias, violence, or exploitative topics, to train models for better safety, accuracy, and cultural nuance.

AI training project focused on improving multimodal and generative models through supervised fine-tuning (SFT), prompt creation, response evaluation, and data annotation. The goal was to ensure ethical AI development, including dealing with "sensitive" or "harmful" content like misinformation, bias, violence, or exploitative topics, to train models for better safety, accuracy, and cultural nuance.

2025 - 2025

Education

U

University of Exeter

MA, European Studies

MA
1995 - 1996
I

Institut d'Etudes Politiques de Strasbourg

Degree in Political Science and International Relations, Political science

Degree in Political Science and International Relations
1991 - 1995

Work History

L

Louvre Hôtels

Trilingual Sales Representative

Paris
2008 - 2009
D

Dreamcentury

Multilingual Customer Service Representative/Translator

Paris
2007 - 2008