Open to opportunities

Billy Baraka

@billybaraka

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Detail-oriented data annotation and analysis specialist delivering reliable insights.

Kenya

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What I'm looking for

I seek a collaborative role where I can apply annotation and analysis skills to improve data quality, contribute to ML projects, and grow into broader data or QA responsibilities.

I am a detail-focused data professional with experience in data annotation, quality assurance, and data analysis, skilled at translating customer requirements into actionable project plans. I have a proven track record of improving data accuracy, implementing quality-control processes, and producing visualizations and reports that support strategic decision-making.

I bring strong communication, training, and collaboration skills, plus hands-on experience with annotation tools and data workflows from roles at Impact Outsourcing. I am results-driven, adaptable, and committed to delivering reliable, high-quality data for machine learning and business analytics projects.

Experience

Work history, roles, and key accomplishments

Current

Data Analyst

Current

Impact Outsourcing

Jan 2022 - Present (3 years 10 months)

Analyzed datasets and created visualizations to improve stakeholder decision-making and drive project outcomes; prepared analytical reports to support strategic planning. Led annotation quality assurance and trained new team members to maintain consistency and data integrity.

Data Analysis Data Visualization Annotations Quality Assurance Data Warehousing Reporting Collaboration

Data Annotator

Impact Outsourcing

Sep 2021 - Jan 2022 (4 months)

Performed detailed annotation and labeling of diverse data types and conducted audits that reduced annotation errors and improved data integrity. Implemented quality control processes and trained new hires on annotation tools and standards.