David M.

Key Skills

Software

Don't disclose

Other

Micro1

Top Subject Matter

Speech recognition dataset preparation

Bilingual text localization for AI/NLP

Machine learning enablement and data collection workflows

Top Data Types

Audio

Text

Image

Document

Top Task Types

Transcription

Data Collection

Freelancer Overview

Audio Validation & Voicing Assistant | Data Science Nigeria (DSN). Brings 5+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Don't disclose, Other, and Internal. Education includes Associate Degree in Computer Science, University of the People (2023) and Bachelor of Science in Nursing Science, Bayero University Kano (2024). AI-training focus includes data types such as Audio, Text, and Computer Code and labeling workflows including Transcription, Translation, and Localization.

Labeling Experience

Image Annotator (Remote, Contract) | Remo Experts

Micro1

Annotated and edited image datasets based on detailed prompts and project-specific guidelines to support AI model training. Ensured consistent adherence to prompt requirements and maintained high visual quality and naturalness across labeled outputs. Performed quality checks to keep annotations accurate and editing styles uniform within each dataset batch. • Prompt adherence and visual quality consistency • Accuracy-focused quality checks during review • Refinement of annotations to meet quality assurance requirements • Managed remote labeling workflow and time tracking using Hubstaff

2025 - 2026

Freelance Hausa Language Writer & Reviewer | Data Science Nigeria (DSN)

OtherText

Created, reviewed, and proofread Hausa text content to improve clarity, grammar, and cultural correctness for dataset and content quality. Translated simple English content into natural Hausa while preserving meaning and language flow. Followed project guidelines closely and completed tasks within deadlines to support production labeling workflows. • Hausa text writing and review for grammar and clarity • English-to-Hausa translation with natural language flow • Proofreading and correction of written Hausa materials • Independent remote work with adherence to instructions and deadlines

2025 - 2026

Audio Validation & Voicing Assistant | Data Science Nigeria (DSN)

Don't discloseAudioTranscription

Validated English audio samples to ensure accent, pronunciation, and overall clarity suitable for downstream model training. Reviewed transcriptions to maintain word-for-word accuracy while checking proper timestamp alignment. Annotated audio-related paralinguistic signals (e.g., emotions and non-verbal cues) to enrich labeled speech datasets. • Accent and pronunciation verification for Nigerian English speakers • Transcription review with strict accuracy and timestamp checks • Emotion, pause, and non-verbal cue annotation (e.g., laughter, coughs, hesitations) • Quality-checking voiced recordings for dataset enhancement

2025 - 2025

Data Science Fellow | Click-on-Kaduna Data Science Fellowship

Data Collection

Completed intensive data-science modules that supported AI training and data collection workflows using scripting and analytics tooling. Practiced preparing data pipelines and using form scripting for structured data capture. Applied statistical and programming concepts to support supervised and unsupervised machine learning tasks in Python. • Data governance and statistics for data scientists • ODK XLS form scripting for data collection • SQL and Python-based analytics and data pipelining • Supervised and unsupervised machine learning specialization using Python

2024 - 2025

Education

Work History