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Emmanuel Uwaechina

AI Data Contributor / Data Rater

Nigeria flagAnambra, Nigeria
$10.00/hrExpertAppen

Key Skills

Software

AppenAppen

Top Subject Matter

General/Multiple Domains
Legal Services & Contract Review
Regulatory Compliance & Risk Analysis

Top Data Types

TextText
ImageImage
VideoVideo

Top Task Types

Question AnsweringQuestion Answering
Evaluation/RatingEvaluation/Rating

Freelancer Overview

AI Data Contributor / Data Rater. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Appen. Education includes Bachelor of Medicine, Bachelor of Surgery, University of Calabar (2025). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

ExpertEnglish

Labeling Experience

Data annotator

ImageBounding Box
On one of the projects I workekd on, I was saddled with the task of auditing a model's work to ensure that labels were placed directly on images that were uploaded to the model, for the labels that were incorrectly placed, I created a new bounding box and placed the labels correctly.

On one of the projects I workekd on, I was saddled with the task of auditing a model's work to ensure that labels were placed directly on images that were uploaded to the model, for the labels that were incorrectly placed, I created a new bounding box and placed the labels correctly.

2025 - 2026

Data annotator

AudioEvaluation Rating
I was given some information regarding certain audio and music tracks, I was to train a model to identify songs based on hints provided, so I had to search through different audios available using the details and hints provided to search out the exact song or audio the person must have been searching for.

I was given some information regarding certain audio and music tracks, I was to train a model to identify songs based on hints provided, so I had to search through different audios available using the details and hints provided to search out the exact song or audio the person must have been searching for.

2023 - 2023
Appen

AI Data Contributor / Data Rater

AppenText
As an AI Data Contributor and Data Rater, I performed data annotation, labeling, and evaluation tasks for AI model training. My responsibilities included reviewing and rating AI-generated responses for quality, relevance, and accuracy, adhering to rigorous project guidelines. I collaborated remotely with international teams while maintaining high accuracy and output quality. • Reviewed AI model outputs for factual accuracy, adherence to instructions, and language fluency • Annotated and labeled diverse text data for supervised machine learning projects • Performed research-based fact verification and natural language understanding tasks • Ensured compliance with project standards while working on Appen, OneForma, and Outlier platforms.

As an AI Data Contributor and Data Rater, I performed data annotation, labeling, and evaluation tasks for AI model training. My responsibilities included reviewing and rating AI-generated responses for quality, relevance, and accuracy, adhering to rigorous project guidelines. I collaborated remotely with international teams while maintaining high accuracy and output quality. • Reviewed AI model outputs for factual accuracy, adherence to instructions, and language fluency • Annotated and labeled diverse text data for supervised machine learning projects • Performed research-based fact verification and natural language understanding tasks • Ensured compliance with project standards while working on Appen, OneForma, and Outlier platforms.

2022 - 2023

Education

U

University of Calabar

Bachelor of Medicine, Bachelor of Surgery, Medicine and Surgery

Bachelor of Medicine, Bachelor of Surgery
2016 - 2025

Work History

U

University of Calabar

Medical Doctor

Calabar
2016 - Present