Joseph Alvin Wanzala

Joseph Alvin Wanzala

DATA ANALYST
Kenya
Swahili, English

About Me

Graduate in Actuarial Science from Kirinyaga University (2023) with hands-on experience in data science, AI, and smart workflow automation. Proficient in Python, machine learning, data visualization, and dashboard develo…

Experience

AI Programmer

DataAnnotation
Jun 2024 - Jan 2025 · 7 months

Labelled and annotated large datasets (text, images, audio) for AI and ML models.
Reviewed and verified data for accuracy and consistency.
Collaborated with remote teams to deliver high-quality data.
Provided feedback to improve annotation tools and processes.
Maintained clear documentation and ensured data confidentiality.

AI Programmer

DataAnnotation
Jun 2024 - Jan 2025 · 7 months

Labelled and annotated large datasets (text, images, audio) for AI and ML models. Reviewed and verified data for accuracy and consistency. Collaborated with remote teams to deliver high-quality data. Provided feedback to improve annotation tools and processes. Maintained clear documentation and ensured data confidentiality.

AI Developer / Quality Engineer

Scale AI
Jul 2023 - Feb 2024 · 7 months

Conducted quality checks on annotated datasets for ML projects.
Developed and implemented quality control processes.
Trained and supported annotation teams to improve data quality.
Validated large volumes of labelled data for AI model development.
Generated quality reports and collaborated on tool enhancements.

AI Developer / Quality Engineer

Scale AI
Jul 2023 - Feb 2024 · 7 months

Conducted quality checks on annotated datasets for ML projects. Developed and implemented quality control processes. Trained and supported annotation teams to improve data quality. Generated quality reports and collaborated on tool enhancements.

Intern

MINISTRY OF INTERIOR, NAIROBI COUNTY
May 2022 - Aug 2022 · 3 months

Organized and digitized official records, ensuring accuracy and confidentiality.
Updated electronic databases and supported data entry and quality control.
Assisted with document retrieval, storage, and reporting for efficient workflow.

Intern

MINISTRY OF INTERIOR, NAIROBI COUNTY
May 2022 - Aug 2022 · 3 months

Organized and digitized official records, ensuring accuracy and confidentiality. Updated electronic databases and supported data entry and quality control. Assisted with document retrieval, storage, and reporting for efficient workflow.

Skills

Machine Learning Data Analysis Data Visualization Python Data Preprocessing Feature Engineering Natural Language Processing Power BI Matplotlib Dashboard Development Data Annotation Data Labelling Quality Assurance Data Validation Team Collaboration Communication
Report this Profile?