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M

Muheez A.

Freelance Data Specialist & Annotator (Self-Employed)

Nigeria flagLagos, Nigeria

Key Skills

Software

Other

Top Subject Matter

AI/ML training data annotation (NLP/NLU)
AI/ML training data annotation (Computer Vision)
AI training data annotation (Audio/Content Support)

Top Data Types

TextText
ImageImage
AudioAudio

Top Task Types

Object DetectionObject Detection
TranscriptionTranscription
Data CollectionData Collection
Text GenerationText Generation

Freelancer Overview

Freelance Data Specialist & Annotator (Self-Employed). Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Secondary School Certificate (SSCE), Secondary School Certificate (SSCE). AI-training focus includes data types such as Text, Image, and Audio and labeling workflows including Entity (NER), Object Detection, and Transcription.

Labeling Experience

Freelance Data Specialist & Annotator (Self-Employed)

OtherAudioAudioTranscriptionTranscription

Supported AI training pipelines with audio transcription and speech-to-text validation tasks. Ensured transcripts met project formatting and moderation requirements for downstream model use. Completed QA and verification steps to reduce errors and improve labeling reliability. • Transcribed audio into text with attention to detail • Validated speech-to-text outputs against guidelines • Applied moderation and content support checks • Performed QA verification to prevent transcription mistakes

2023 - Present

Freelance Data Specialist & Annotator (Self-Employed)

OtherImageImageObject DetectionObject Detection

Labeled, tagged, and annotated image and video assets for AI and machine learning training. Applied visual labeling techniques such as bounding boxes, semantic segmentation, and object classification. Performed quality audits on completed work to identify and fix mislabeled or improperly formatted assets. • Created bounding box and object-related annotations for images • Produced segmentation-style labels for visual categories • Tagged and annotated image/video assets per project requirements • Executed QA checks to ensure labeling consistency and accuracy

2023 - Present

Freelance Data Specialist & Annotator (Self-Employed)

OtherTextText

Annotated and labeled high-volume text datasets to support training of machine learning and AI models. Performed Named Entity Recognition (NER), sentiment analysis, text categorization, and intent classification according to detailed guidelines. Audited outputs with quality control checks to ensure accuracy and eliminate formatting discrepancies. • Labeled text data across multiple classification and taxonomy schemes • Interpreted complex project labeling guidelines to maintain data integrity • Conducted QA audits to detect and correct mislabeled assets • Managed high-volume outputs while meeting daily quota targets

2023 - Present

Education

K

Kwara state university

HND, Computer science

HND
2021 - 2025
S

Secondary School Certificate (SSCE)

Secondary School Certificate (SSCE), Secondary Education

Secondary School Certificate (SSCE)
Not specified

Work History

S

Self-Employed

Freelance Digital Specialist

Lagos
2023 - Present