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Nathaniel D.

Nathaniel D.

Expert In The English Language - Transcriptions & Annotations

United Kingdom flagLondon, United Kingdom

Key Skills

Software

AppenAppen
Other

Top Subject Matter

LLM and multimodal AI evaluation (text, image, audio, video, search relevance, geospatial)
Geospatial analysis and multimodal AI evaluation
Legal Services & Contract Review

Top Data Types

AudioAudio
ImageImage
TextText
DocumentDocument

Top Task Types

Evaluation/RatingEvaluation/Rating
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Question AnsweringQuestion Answering
Text GenerationText Generation
Text SummarizationText Summarization

Freelancer Overview

AI Evaluation & Training Specialist (Contract, multi-platform). Brings 10+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Appen and Other. Education includes High School Diploma, Mountain Creek State High School and White Card Certification, Mountain Creek State High School. AI-training focus includes data types such as Text, Geospatial, and Tiled Imagery and labeling workflows including Evaluation and Rating.

Labeling Experience

AI Evaluation & Training Specialist (Multimodal evaluation and geospatial QA/validation)

Other

Conducted multimodal evaluation for AI training and benchmarking workflows using text, image, audio, video, search relevance, and geospatial datasets. Completed quality review, validation, and consistency checks to improve data reliability and evaluation outcomes. Supported domain-specific analysis with attention to detailed evaluation guidelines. • Evaluated geospatial mapping-related data and results. • Performed validation and consistency checks for annotation. • Reviewed multimodal outputs for quality and usability. • Supported benchmarking and project quality improvements.

2025 - Present
Appen

AI Evaluation & Training Specialist (Contract, multi-platform)

AppenAppenTextText

Performed 1,500+ hours of AI evaluation and training tasks to assess large language model outputs across multiple projects. Evaluated reasoning quality, factual accuracy, instruction following, safety, and overall response effectiveness while contributing to quality review workflows. Delivered prompt writing, prompt rewriting, response ranking, annotation, and benchmarking activities to support model improvement. • Assessed LLM responses for quality and effectiveness. • Conducted prompt evaluation and response ranking. • Completed annotation and benchmarking-related evaluations. • Participated in validation to improve annotation consistency.

2025 - Present

Education

M

Mountain Creek State High School

High School Diploma, English, Mathematics, Ancient History and Furniture Making

High School Diploma
2015 - 2017
D

Debden Park High School

High School Diploma, General Studies

High School Diploma
2012 - 2015

Work History

A

Adonis Fine Jewellers

Founder & Director

London
2023 - 2025
A

Adonis Fine Jewellers

Company CEO / Director

London
2023 - 2025