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Sechel Adrian

Senior AI Trainer & Data Quality Analyst

England flagLondon, England
$15.00/hrIntermediateOther

Key Skills

Software

Other

Top Subject Matter

AI-generated content evaluation and quality assurance
Prompt evaluation and English content review
Multilingual AI model evaluation

Top Data Types

TextText
ImageImage
VideoVideo
DocumentDocument

Top Task Types

ClassificationClassification

Freelancer Overview

Senior AI Trainer & Data Quality Analyst. Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal, Proprietary Tooling, and Other. Education includes Certificate, Coursera (2023). AI-training focus includes data types such as Text, Image, and Video and labeling workflows including Evaluation, Rating, and Classification.

IntermediateEnglish

Labeling Experience

Video-to-Text Annotation Specialist

OtherVideoClassification
At AIBRALabs, I worked on video-to-text annotation and evaluated AI output for video content. My tasks included converting sequences of visual information into coherent text and scoring model responses. This work supported improved dataset quality for video-language AI models. • Executed video-to-text annotation for enhancing video-language model datasets. • Rated AI responses based on accuracy and comprehensiveness. • Applied and updated annotation best practices for video data. • Increased video annotation efficacy for downstream model training.

At AIBRALabs, I worked on video-to-text annotation and evaluated AI output for video content. My tasks included converting sequences of visual information into coherent text and scoring model responses. This work supported improved dataset quality for video-language AI models. • Executed video-to-text annotation for enhancing video-language model datasets. • Rated AI responses based on accuracy and comprehensiveness. • Applied and updated annotation best practices for video data. • Increased video annotation efficacy for downstream model training.

2025 - Present

Image-to-Text Annotation Specialist

OtherImageClassification
At AIBRALabs, I was involved in image-to-text annotation and response evaluation, contributing to the training of AI models on image understanding. This included converting visual information to text and rating output accuracy. The experience greatly enhanced my image annotation skills especially for AI and machine learning tasks. • Performed image-to-text annotation for AI training in computer vision tasks. • Evaluated and rated model responses for image content comprehension. • Collaborated on refining annotation guidelines and workflows. • Enhanced dataset quality for machine learning model development.

At AIBRALabs, I was involved in image-to-text annotation and response evaluation, contributing to the training of AI models on image understanding. This included converting visual information to text and rating output accuracy. The experience greatly enhanced my image annotation skills especially for AI and machine learning tasks. • Performed image-to-text annotation for AI training in computer vision tasks. • Evaluated and rated model responses for image content comprehension. • Collaborated on refining annotation guidelines and workflows. • Enhanced dataset quality for machine learning model development.

2025 - Present

Senior AI Trainer & Data Quality Analyst

Text
As Senior AI Trainer & Data Quality Analyst, I spearheaded annotation and evaluation of large-scale multilingual text datasets. My role demanded rigorous linguistic quality assurance, semantic analysis, and adherence to complex labeling guidelines. I contributed to significant improvements in model accuracy and mentored junior annotators to achieve best practices. • Led high-volume annotation and evaluation of multilingual AI-generated text datasets. • Conducted detailed linguistic quality assurance and semantic analysis for model outputs. • Mentored junior team members on prompt evaluation and error detection. • Consistently delivered results under strict deadlines to boost model comprehension.

As Senior AI Trainer & Data Quality Analyst, I spearheaded annotation and evaluation of large-scale multilingual text datasets. My role demanded rigorous linguistic quality assurance, semantic analysis, and adherence to complex labeling guidelines. I contributed to significant improvements in model accuracy and mentored junior annotators to achieve best practices. • Led high-volume annotation and evaluation of multilingual AI-generated text datasets. • Conducted detailed linguistic quality assurance and semantic analysis for model outputs. • Mentored junior team members on prompt evaluation and error detection. • Consistently delivered results under strict deadlines to boost model comprehension.

2025 - Present

Prompt Labelling & Text Evaluation Specialist

Text
As a Prompt Labelling & Text Evaluation Specialist, I labeled and rated AI-generated prompts and completions for quality, correctness, and relevance. This included cultural and contextual analysis to ensure regional appropriateness and to improve prompt evaluation standards. I streamlined workflow efficiency and contributed to model training for understanding complex linguistic phenomena. • Labeled and scored AI-generated prompts and completions for relevance and clarity. • Applied contextual insights to ensure outputs met regional and cultural guidelines. • Enhanced annotation workflows for improved efficiency and speed. • Assisted AI model training for handling idiomatic expressions and advanced structures.

As a Prompt Labelling & Text Evaluation Specialist, I labeled and rated AI-generated prompts and completions for quality, correctness, and relevance. This included cultural and contextual analysis to ensure regional appropriateness and to improve prompt evaluation standards. I streamlined workflow efficiency and contributed to model training for understanding complex linguistic phenomena. • Labeled and scored AI-generated prompts and completions for relevance and clarity. • Applied contextual insights to ensure outputs met regional and cultural guidelines. • Enhanced annotation workflows for improved efficiency and speed. • Assisted AI model training for handling idiomatic expressions and advanced structures.

2025 - 2025

Multilingual AI Data Annotator

TextClassification
As a Multilingual AI Data Annotator, I evaluated, classified, and provided feedback on AI-generated responses in several languages. My responsibilities included checking for semantic and grammatical accuracy and performing cross-language consistency analysis. I consistently delivered high levels of accuracy in large-scale annotation tasks over the duration of this role. • Evaluated and classified AI-generated text responses for semantic and grammatical precision. • Performed cross-language checks to bolster model understanding of diverse linguistic nuances. • Offered detailed feedback on ambiguous or incorrect AI outputs. • Maintained high accuracy while handling significant annotation volume.

As a Multilingual AI Data Annotator, I evaluated, classified, and provided feedback on AI-generated responses in several languages. My responsibilities included checking for semantic and grammatical accuracy and performing cross-language consistency analysis. I consistently delivered high levels of accuracy in large-scale annotation tasks over the duration of this role. • Evaluated and classified AI-generated text responses for semantic and grammatical precision. • Performed cross-language checks to bolster model understanding of diverse linguistic nuances. • Offered detailed feedback on ambiguous or incorrect AI outputs. • Maintained high accuracy while handling significant annotation volume.

2024 - 2024

Education

C

Coursera

Certificate, Artificial Intelligence and Machine Learning

Certificate
2023 - 2023

Work History

C

Coursera

Annotation & AI Training Modules

Location not specified
2023 - 2024