Colin Smith

Key Skills

Software

SuperAnnotate

Micro1

Mercor

Top Subject Matter

AI Chatbot Language Evaluation

AI Video Subtitling and Speaker Diarisation

Legal Services & Contract Review

Top Data Types

Text

Video

Document

Top Task Types

RLHF

Transcription

Freelancer Overview

RLHF French language expert – Mercor/NVIDIA. Brings 37+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include writing and translation. Education includes Bachelor of Arts, University of Edinburgh and Diploma in European Marketing and Languages, Napier University. AI-training focus includes data types such as Text and Video and labeling workflows including RLHF, Evaluation, and Rating.

Labeling Experience

AI Video Diarisation Expert (English, French & Arabic) – Micro1/Titan Onyx

Micro1Video

This position entailed evaluating and correcting timestamps and transcriptions on AI-generated subtitles for multilingual video content. The primary task was quality review and diarization correction to improve the AI’s ability to distinguish between speakers in videos. Labeling activities also included textual revision and verification steps for both accuracy and speaker separation. • Reviewed and edited subtitles in English, French, and Arabic • Improved timestamp alignment for video diarisation • Corrected transcription errors and ensured language accuracy • Focused on enhancing speaker differentiation in complex audio tracks

This position entailed evaluating and correcting timestamps and transcriptions on AI-generated subtitles for multilingual video content. The primary task was quality review and diarization correction to improve the AI’s ability to distinguish between speakers in videos. Labeling activities also included textual revision and verification steps for both accuracy and speaker separation. • Reviewed and edited subtitles in English, French, and Arabic • Improved timestamp alignment for video diarisation • Corrected transcription errors and ensured language accuracy • Focused on enhancing speaker differentiation in complex audio tracks

2026 - 2026

RLHF French language expert – Mercor/NVIDIA

MercorTextRLHF

This role involved evaluating and optimizing the quality of French language chatbot responses for an AI system. The work consisted in using Reinforcement Learning from Human Feedback (RLHF) methodologies to rate, improve, and select natural language outputs. The labeling contributed directly to model alignment and safety initiatives for a major AI provider. • Conducted side-by-side comparisons of chatbot responses in French • Scored and commented on natural language outputs for quality and relevance • Provided optimization feedback based on prompt understanding and context • Ensured the AI’s responses aligned with social and ethical guidelines

This role involved evaluating and optimizing the quality of French language chatbot responses for an AI system. The work consisted in using Reinforcement Learning from Human Feedback (RLHF) methodologies to rate, improve, and select natural language outputs. The labeling contributed directly to model alignment and safety initiatives for a major AI provider. • Conducted side-by-side comparisons of chatbot responses in French • Scored and commented on natural language outputs for quality and relevance • Provided optimization feedback based on prompt understanding and context • Ensured the AI’s responses aligned with social and ethical guidelines

2026 - 2026

Education

Work History