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Peter Macharia

Peter Macharia

Key Skills

Software

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Top Subject Matter

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Top Data Types

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Top Label Types

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Freelancer Overview

I am a detail-oriented Data Verification and AI Data Quality Specialist with over five years of experience ensuring the accuracy and integrity of structured datasets for AI training and corporate environments. My background includes manual data annotation, high-volume record auditing, and advanced entity resolution, with a strong focus on compliance and precision. I have managed end-to-end data verification processes, from reconciling complex ownership structures to preparing audit-ready documentation, and have contributed to the creation of high-quality datasets optimized for machine learning models. I am highly proficient in Microsoft Excel, CRM systems, and cloud-based collaboration tools, and thrive in remote, cross-time-zone teams where disciplined execution and zero-tolerance accuracy are essential. My work spans domains such as financial services, regulatory compliance, and corporate intelligence, making me well-equipped to support diverse AI data labeling and quality assurance projects.

Not specified

Labeling Experience

Data Research Lead | Freelance Consultant

DocumentClassification
Reviewed and validated AI training datasets for precise labeling and contextual integrity. Ensured data quality for machine learning by verifying directors, shareholders, revenue classifications, and jurisdictions in structured records. Delivered high-accuracy labeled datasets to support model development and compliance-ready outputs. • Audited and annotated corporate intelligence data for training purposes. • Maintained strict accuracy standards in entity attribute verification. • Cross-referenced multi-source information to resolve discrepancies. • Produced datasets fit for automated learning systems.

Reviewed and validated AI training datasets for precise labeling and contextual integrity. Ensured data quality for machine learning by verifying directors, shareholders, revenue classifications, and jurisdictions in structured records. Delivered high-accuracy labeled datasets to support model development and compliance-ready outputs. • Audited and annotated corporate intelligence data for training purposes. • Maintained strict accuracy standards in entity attribute verification. • Cross-referenced multi-source information to resolve discrepancies. • Produced datasets fit for automated learning systems.

2022 - 2022

Education

M

Mount Kenya University

Bachelor of Business Information Technology, Business Information Technology

Bachelor of Business Information Technology
Not specified

Work History

A

Amica Sacco

Marketing Officer

Thika
2023 - 2025
B

Business Consultancy

Operations Assistant

Thika
2019 - 2021