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T

Timothy Sofolabo

AI Data Trainer/ Ai Data Labeller

Nigeria flagIkeja, Nigeria
$8.00/hrExpertAppenClickworkerAws Sagemaker

Key Skills

Software

AppenAppen
ClickworkerClickworker
AWS SageMakerAWS SageMaker
Anno-MageAnno-Mage
ArgillaArgilla
Axiom AI

Top Subject Matter

General Artificial Intelligence Training (RLHF, SFT)
Language Model Evaluation and Curation

Top Data Types

TextText

Top Task Types

RLHFRLHF

Freelancer Overview

AI Data Trainer. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Engineering, Federal University of Technology, Akure (2024). AI-training focus includes data types such as Text and labeling workflows including RLHF, Evaluation, and Rating.

ExpertEnglishYoruba

Labeling Experience

AI Data Trainer

TextRLHF
During my tenure as an AI Data Trainer at FLTRLNK, I specialized in data sanitization and ground-truth verification to enhance training datasets. I created high-quality data segments for supervised finetuning, consistently aligning them with strict domain guidelines. My work supported seamless integration of datasets into RLHF pipelines for story and response optimization. • Reduced data noise and improved labeling accuracy by 20% • Ensured domain-specific alignment for all training inputs • Designed repository architecture for data ingestion • Optimized model reasoning and minimized algorithmic bias

During my tenure as an AI Data Trainer at FLTRLNK, I specialized in data sanitization and ground-truth verification to enhance training datasets. I created high-quality data segments for supervised finetuning, consistently aligning them with strict domain guidelines. My work supported seamless integration of datasets into RLHF pipelines for story and response optimization. • Reduced data noise and improved labeling accuracy by 20% • Ensured domain-specific alignment for all training inputs • Designed repository architecture for data ingestion • Optimized model reasoning and minimized algorithmic bias

2023 - 2026

AI Data Label and Language Specialist

Text
As an AI Data Label and Language Specialist at Western Digital, I contributed to linguistic research and model evaluation initiatives. I performed prompt engineering and comparative response assessments for language models. This work guided effective RLHF and model finetuning strategies through detailed quality metrics. • Collaborated with engineering and product teams • Executed prompt engineering and focus groups • Quantified annotator agreement and performance • Provided granular reports for model improvement

As an AI Data Label and Language Specialist at Western Digital, I contributed to linguistic research and model evaluation initiatives. I performed prompt engineering and comparative response assessments for language models. This work guided effective RLHF and model finetuning strategies through detailed quality metrics. • Collaborated with engineering and product teams • Executed prompt engineering and focus groups • Quantified annotator agreement and performance • Provided granular reports for model improvement

2022 - 2023

Education

G

Google Coursera

Data Specialist, Ai Data Training

Data Specialist
2024 - 2025
F

Federal University of Technology, Akure

Bachelor of Engineering, Engineering

Bachelor of Engineering
2019 - 2024

Work History

F

FltrLnk

Ai Data Trainer

San Francisco
2023 - 2026