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L

Lawrence Madububa

Data Annotation Specialist

Nigeria flagLagos, Nigeria
$10.00/hrIntermediateAppenTelusImerit

Key Skills

Software

AppenAppen
TelusTelus
iMeritiMerit

Top Subject Matter

Misinformation Detection
Audio Translation/AI Model Training
Image Translation/AI Model Training

Top Data Types

TextText
AudioAudio
ImageImage
VideoVideo

Top Task Types

Text GenerationText Generation
Text SummarizationText Summarization
Question AnsweringQuestion Answering
Object DetectionObject Detection
Bounding BoxBounding Box
TranscriptionTranscription
Evaluation/RatingEvaluation/Rating
Data CollectionData Collection

Freelancer Overview

Data Annotation Specialist (Misinformation Rating - UoloV2). Core strengths include Internal and Proprietary Tooling. AI-training focus includes data types such as Text, Audio, and Image and labeling workflows including Evaluation and Rating.

IntermediateEnglish

Labeling Experience

Data Annotation Specialist (Video Translator)

Video
I reviewed video samples and identified which aligned most closely with a reference video for translation and AI labeling projects. Responsibilities included detailed comparison and rating of video segments. This supported the training of AI models for video content understanding. • Maintained high standards for accuracy • Used internal tools to streamline review • Documented decisions and outcomes • Communicated issues to the project lead.

I reviewed video samples and identified which aligned most closely with a reference video for translation and AI labeling projects. Responsibilities included detailed comparison and rating of video segments. This supported the training of AI models for video content understanding. • Maintained high standards for accuracy • Used internal tools to streamline review • Documented decisions and outcomes • Communicated issues to the project lead.

2025 - Present

Data Annotation Specialist (Picture Translator)

Image
I conducted image evaluation tasks by comparing samples to a reference image for picture translation projects. I analyzed visual data for accuracy and relevance to optimize dataset quality. This contributed to machine learning model development for image-based AI tasks. • Applied annotation guidelines consistently • Utilized internal tools for comparison • Reported errors or inconsistencies • Collaborated with team for best practices.

I conducted image evaluation tasks by comparing samples to a reference image for picture translation projects. I analyzed visual data for accuracy and relevance to optimize dataset quality. This contributed to machine learning model development for image-based AI tasks. • Applied annotation guidelines consistently • Utilized internal tools for comparison • Reported errors or inconsistencies • Collaborated with team for best practices.

2025 - Present

Data Annotation Specialist (Audio Translator - Project Coffee)

Audio
I evaluated audio samples to determine which was closest to a reference audio for machine learning applications. This involved critical listening and rating of audio quality and content relevance. The role supported the development of AI audio translation models. • Ensured consistency in evaluation methodology • Maintained records of processed samples • Used specialized tools for audio playback • Provided feedback for improvement.

I evaluated audio samples to determine which was closest to a reference audio for machine learning applications. This involved critical listening and rating of audio quality and content relevance. The role supported the development of AI audio translation models. • Ensured consistency in evaluation methodology • Maintained records of processed samples • Used specialized tools for audio playback • Provided feedback for improvement.

2025 - Present

Data Annotation Specialist (Misinformation Rating - UoloV2)

Text
I performed data annotation and evaluation for misinformation detection projects. My responsibilities included reviewing and rating text samples for accuracy and compliance with guidelines. I ensured that all annotations were consistent and met quality standards. • Collaborated with team members for best practices • Maintained high attention to detail and accuracy • Used provided tools for efficient workflow • Met deadlines for project submissions.

I performed data annotation and evaluation for misinformation detection projects. My responsibilities included reviewing and rating text samples for accuracy and compliance with guidelines. I ensured that all annotations were consistent and met quality standards. • Collaborated with team members for best practices • Maintained high attention to detail and accuracy • Used provided tools for efficient workflow • Met deadlines for project submissions.

2025 - Present

Education

M

Michael Okpara University

B.Eng, Electrical Electronic Engineering

B.Eng
2014 - 2020

Work History

N

Novateur Group

Customer Service Rep

Abuja
2023 - 2025