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T

Tochukwu Ndumnwere

AI Training Specialist | Python & Swift Developer | Model Evaluation

NIGERIA flag
Abuja, Nigeria
$25.00/hrExpertOtherScale AISurge AI

Key Skills

Software

Other
Scale AIScale AI
Surge AISurge AI
RemotasksRemotasks
OneFormaOneForma
MercorMercor
Data Annotation TechData Annotation Tech

Top Subject Matter

AI Prompt Evaluation
Natural Language Processing (NLP) Data Annotation
Machine Learning Dataset Annotation

Top Data Types

TextText
DocumentDocument
Computer Code ProgrammingComputer Code Programming

Top Task Types

Entity Ner Classification
Classification
Computer Programming Coding
Prompt Response Writing SFT
Evaluation Rating
Object Detection
Text Generation
Question Answering
Function Calling

Freelancer Overview

AI Prompt Evaluation Intern. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, University of Nigeria, Nsukka (2020). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Entity (NER) Classification.

ExpertEnglish

Labeling Experience

Freelance Data Annotation & QA Specialist

OtherText
I evaluated AI-generated outputs with a focus on reasoning quality and adherence to safety guidelines. I performed audits on datasets and documented edge cases impacting AI training projects. Identified and reported inconsistencies to help improve data reliability. • Conducted systematic evaluations of AI outputs for correctness. • Assessed compliance with specified project standards and safety requirements. • Audited training data for gaps or anomalies. • Provided actionable insights to enhance labeling accuracy.

I evaluated AI-generated outputs with a focus on reasoning quality and adherence to safety guidelines. I performed audits on datasets and documented edge cases impacting AI training projects. Identified and reported inconsistencies to help improve data reliability. • Conducted systematic evaluations of AI outputs for correctness. • Assessed compliance with specified project standards and safety requirements. • Audited training data for gaps or anomalies. • Provided actionable insights to enhance labeling accuracy.

2023 - 2024

Freelance Data Annotator

OtherTextClassification
This role focused on annotating datasets for machine learning intent classification and sentiment tasks. Maintaining high annotation accuracy was a priority. Quality assurance was integral to every assignment to meet project standards. • Processed large-scale text datasets for training purposes. • Performed intent and sentiment annotation tasks. • Ensured dataset quality through self-review and correction. • Successfully achieved above 98% accuracy rates.

This role focused on annotating datasets for machine learning intent classification and sentiment tasks. Maintaining high annotation accuracy was a priority. Quality assurance was integral to every assignment to meet project standards. • Processed large-scale text datasets for training purposes. • Performed intent and sentiment annotation tasks. • Ensured dataset quality through self-review and correction. • Successfully achieved above 98% accuracy rates.

2023 - 2023

AI Data Annotation Intern

OtherTextEntity Ner Classification
I annotated NLP datasets to prepare high-quality training data for machine learning. Work included entity tagging and sentiment analysis under strict accuracy and quality guidelines. Annotation errors were identified and corrected to ensure reliable datasets. • Performed precise entity and sentiment labeling. • Followed specified annotation procedures consistently. • Monitored label consistency and minimized discrepancies. • Supported model improvement through rigorous data preparation.

I annotated NLP datasets to prepare high-quality training data for machine learning. Work included entity tagging and sentiment analysis under strict accuracy and quality guidelines. Annotation errors were identified and corrected to ensure reliable datasets. • Performed precise entity and sentiment labeling. • Followed specified annotation procedures consistently. • Monitored label consistency and minimized discrepancies. • Supported model improvement through rigorous data preparation.

2022 - 2023

AI Prompt Evaluation Intern

OtherText
This role involved reviewing prompts and evaluating responses from conversational AI systems. I applied safety guidelines and documented failures to enhance AI training. Structured feedback was provided to improve prompt effectiveness and compliance. • Analyzed AI-generated outputs for accuracy and logical reasoning. • Identified policy-violating or ambiguous content in system interactions. • Maintained diligent records of prompt issues and workflow gaps. • Contributed to refining guidelines based on observed edge cases.

This role involved reviewing prompts and evaluating responses from conversational AI systems. I applied safety guidelines and documented failures to enhance AI training. Structured feedback was provided to improve prompt effectiveness and compliance. • Analyzed AI-generated outputs for accuracy and logical reasoning. • Identified policy-violating or ambiguous content in system interactions. • Maintained diligent records of prompt issues and workflow gaps. • Contributed to refining guidelines based on observed edge cases.

2021 - 2021

Education

U

University of Nigeria, Nsukka

Bachelor of Science, Electronic Engineering

Bachelor of Science
2014 - 2020

Work History

N

N/A

AI Tool Workflow Analyst

Abuja
2025 - 2026
N

N/A

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