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Mel (melstackz)

Mel (melstackz)

Data Annotator / Data Labelling Specialist

Nigeria flag12, port novo, Nigeria
$8.00/hrIntermediateOtherAppenData Annotation Tech

Key Skills

Software

Other
AppenAppen
Data Annotation TechData Annotation Tech

Top Subject Matter

General AI/Data Science
Computer Vision

Top Data Types

TextText
ImageImage
AudioAudio

Top Task Types

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

Freelancer Overview

Data Annotator / Data Labelling Specialist. Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other, Internal, and Proprietary Tooling. Education includes Bachelor of Science, University of Calabar (2016). AI-training focus includes data types such as Text and Image and labeling workflows including Classification and Bounding Box.

IntermediateEnglish

Labeling Experience

AI Trainer / Image Annotation Specialist

ImageBounding Box
As an AI Trainer and Image Annotation Specialist at Codatta, I trained AI models and performed precise image annotation. My responsibilities included creating and refining image datasets for computer vision projects. I contributed to developing efficient and accurate training sets for AI model performance. • Labeled images with bounding boxes for object detection. • Enhanced data quality for computer vision training. • Utilized internal annotation tools for dataset construction. • Adhered strictly to annotation guidelines provided by project leads.

As an AI Trainer and Image Annotation Specialist at Codatta, I trained AI models and performed precise image annotation. My responsibilities included creating and refining image datasets for computer vision projects. I contributed to developing efficient and accurate training sets for AI model performance. • Labeled images with bounding boxes for object detection. • Enhanced data quality for computer vision training. • Utilized internal annotation tools for dataset construction. • Adhered strictly to annotation guidelines provided by project leads.

2025 - 2025

Data Annotator / Data Labelling Specialist

OtherTextClassification
As a Data Annotator/Data Labelling Specialist at Sahara Labs, I labeled and annotated data sets for machine learning applications. My work involved ensuring precise data tagging and maintaining a high standard of consistency. I contributed to improving dataset quality for downstream AI usage. • Labeled large volumes of text data used in AI models. • Maintained consistency and accuracy in tag application. • Followed detailed project guidelines for annotation. • Ensured timely completion of project deliverables.

As a Data Annotator/Data Labelling Specialist at Sahara Labs, I labeled and annotated data sets for machine learning applications. My work involved ensuring precise data tagging and maintaining a high standard of consistency. I contributed to improving dataset quality for downstream AI usage. • Labeled large volumes of text data used in AI models. • Maintained consistency and accuracy in tag application. • Followed detailed project guidelines for annotation. • Ensured timely completion of project deliverables.

2025 - 2025

Education

U

University of Calabar

Bachelor of Science, Electronics and Computer Technology

Bachelor of Science
2011 - 2016

Work History

C

Cloudworkers

Chat Moderator

London
2019 - 2024