Rodgers Onyango

Key Skills

Software

Sama

Top Subject Matter

AI/ML model evaluation and data quality validation

E-commerce product classification and labeling

Data annotation supervision and quality assurance

Top Data Types

Text

Document

Top Task Types

Classification

Freelancer Overview

Quality Analyst. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Sama. Education includes Certificate, ALX and Certificate, Sama School (2019). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Classification.

Labeling Experience

Team Leader

SamaText

In my role as Team Leader at Sama, I reviewed team output to maintain high data accuracy and quality standards on annotation projects. I assigned tasks, monitored progress, and ensured timely completion of large labeling assignments. I provided feedback and training to new annotators while resolving issues and improving workflow efficiency. • Led a team responsible for labeling and quality checks. • Onboarded new members to labeling tools and guidelines. • Analyzed team performance and addressed workflow inefficiencies. • Prepared regular reports and shared insights with management.

In my role as Team Leader at Sama, I reviewed team output to maintain high data accuracy and quality standards on annotation projects. I assigned tasks, monitored progress, and ensured timely completion of large labeling assignments. I provided feedback and training to new annotators while resolving issues and improving workflow efficiency. • Led a team responsible for labeling and quality checks. • Onboarded new members to labeling tools and guidelines. • Analyzed team performance and addressed workflow inefficiencies. • Prepared regular reports and shared insights with management.

2022 - Present

Quality Analyst

SamaText

As a Quality Analyst at Sama, I validated data quality and detected bias in various datasets. I tested AI/ML model accuracy and performance through rigorous review processes. I ensured fairness, ethics, and explainability in the labeled data and maintained thorough documentation for compliance. • Validated annotations to reduce errors and increase accuracy. • Monitored models for data drift and labeling inconsistencies. • Ensured labeled data met ethical and fairness standards. • Prepared comprehensive documentation and reports related to data quality.

As a Quality Analyst at Sama, I validated data quality and detected bias in various datasets. I tested AI/ML model accuracy and performance through rigorous review processes. I ensured fairness, ethics, and explainability in the labeled data and maintained thorough documentation for compliance. • Validated annotations to reduce errors and increase accuracy. • Monitored models for data drift and labeling inconsistencies. • Ensured labeled data met ethical and fairness standards. • Prepared comprehensive documentation and reports related to data quality.

2020 - 2021

Associate

SamaTextClassification

As an Associate at Sama, I classified and categorized e-commerce products based on provided guidelines. I wrote product descriptions and titles, ensuring proper categorization and labeling accuracy. I also managed and verified labeled data to ensure quality standards were met. • Researched and classified products across platforms. • Corrected and deleted data to eliminate duplications. • Maintained required data quality thresholds through procedural work. • Contributed to team effort in meeting project goals and quality requirements.

As an Associate at Sama, I classified and categorized e-commerce products based on provided guidelines. I wrote product descriptions and titles, ensuring proper categorization and labeling accuracy. I also managed and verified labeled data to ensure quality standards were met. • Researched and classified products across platforms. • Corrected and deleted data to eliminate duplications. • Maintained required data quality thresholds through procedural work. • Contributed to team effort in meeting project goals and quality requirements.

2019 - 2020

Education

Work History