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Osuofia Emeka

Osuofia Emeka

Senior Machine Learning Scientist (AI Evaluation & Reasoning Systems)

United Kingdom flagLondon, United Kingdom
$50.00/hrExpert

Key Skills

Software

No software listed

Top Subject Matter

STEM (Science, Technology, Engineering, Mathematics) AI Outputs
Machine Learning Dataset Validation

Top Data Types

TextText
ImageImage
VideoVideo

Top Task Types

Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Computer Programming/CodingComputer Programming/Coding
Data CollectionData Collection
TranscriptionTranscription
Text GenerationText Generation
Object DetectionObject Detection
Question AnsweringQuestion Answering
Text SummarizationText Summarization
Function CallingFunction Calling

Freelancer Overview

Senior Machine Learning Scientist (AI Evaluation & Reasoning Systems). Brings 7+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Master of Science, University of Essex and Bachelor of Science, University of Derby. AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

ExpertEnglish

Labeling Experience

Senior Machine Learning Scientist (AI Evaluation & Reasoning Systems)

Text
I led the design and implementation of AI evaluation frameworks to assess the reasoning quality of LLM-generated outputs in STEM domains. My work involved rigorous error analysis, identification of logical inconsistencies and hallucinations, and the development of standardized scoring methodologies. This process was crucial for enhancing both model performance and data quality through targeted feedback and iterative evaluation. • Evaluated logical reasoning and content quality in LLM outputs • Developed and applied rubrics for standardized assessment • Produced detailed reports for model improvement • Collaborated with teams to align annotation guidelines

I led the design and implementation of AI evaluation frameworks to assess the reasoning quality of LLM-generated outputs in STEM domains. My work involved rigorous error analysis, identification of logical inconsistencies and hallucinations, and the development of standardized scoring methodologies. This process was crucial for enhancing both model performance and data quality through targeted feedback and iterative evaluation. • Evaluated logical reasoning and content quality in LLM outputs • Developed and applied rubrics for standardized assessment • Produced detailed reports for model improvement • Collaborated with teams to align annotation guidelines

2023 - 2025

Machine Learning Engineer (Data & Model Validation)

Text
I contributed to annotation and labeling quality control for machine learning datasets by designing validation pipelines to ensure data integrity. My responsibilities included rigorous evaluation of data, anomaly detection, and maintaining high-quality training datasets for ML systems. This work involved producing technical documentation to support research and engineering teams. • Ensured quality control and consistency of labeled training data • Designed and executed data validation processes • Detected anomalies and maintained data integrity • Documented analytical processes and findings

I contributed to annotation and labeling quality control for machine learning datasets by designing validation pipelines to ensure data integrity. My responsibilities included rigorous evaluation of data, anomaly detection, and maintaining high-quality training datasets for ML systems. This work involved producing technical documentation to support research and engineering teams. • Ensured quality control and consistency of labeled training data • Designed and executed data validation processes • Detected anomalies and maintained data integrity • Documented analytical processes and findings

2021 - 2023

Education

U

University of Derby

Bachelor of Science, Computer Science

Bachelor of Science
Not specified
U

University of Essex

Master of Science, Computer Science (Artificial Intelligence)

Master of Science
Not specified

Work History

T

TechNova Solutions

Senior Machine Learning Scientist

London
2023 - 2025
B

ByteCraft Technologies

Machine Learning Engineer

Manchester
2021 - 2023