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Stephen Muiruri

Stephen Muiruri

Quality Analyst – Sama

KENYA flag
Nairobi, Kenya
$15.00/hrExpertSamaGoogle Cloud Vertex AIMercor

Key Skills

Software

SamaSama
Google Cloud Vertex AIGoogle Cloud Vertex AI
MercorMercor
MindriftMindrift

Top Subject Matter

General Data Labeling and Quality Assurance

Top Data Types

TextText
Computer Code ProgrammingComputer Code Programming

Top Task Types

Computer Programming Coding

Freelancer Overview

Quality Analyst – Sama. Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Sama. Education includes Certificate in Software Engineering, ALX Africa (2024) and Bachelor of Science, Multimedia University of Kenya (2020). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

ExpertSwahiliEnglish

Labeling Experience

Sama

Quality Analyst – Sama

SamaText
Served as a Quality Analyst with Sama, focusing on evaluating labeled datasets and project outputs against client quality standards. Regularly analyzed feedback to validate data correctness and identify labeling gaps. Recommended and implemented corrective actions to improve annotation accuracy and consistency. • Collaborated with annotation teams to ensure continuous improvement in labeling processes. • Generated detailed quality reports on data annotation accuracy, completeness, and project adherence. • Communicated data quality insights and assessment plans to key stakeholders. • Facilitated targeted feedback loops and administered quality interventions for optimal labeling outcomes.

Served as a Quality Analyst with Sama, focusing on evaluating labeled datasets and project outputs against client quality standards. Regularly analyzed feedback to validate data correctness and identify labeling gaps. Recommended and implemented corrective actions to improve annotation accuracy and consistency. • Collaborated with annotation teams to ensure continuous improvement in labeling processes. • Generated detailed quality reports on data annotation accuracy, completeness, and project adherence. • Communicated data quality insights and assessment plans to key stakeholders. • Facilitated targeted feedback loops and administered quality interventions for optimal labeling outcomes.

2021 - 2022

Education

A

ALX Africa

Certificate in Software Engineering, Software Engineering

Certificate in Software Engineering
2022 - 2024
M

Multimedia University of Kenya

Bachelor of Science, Applied Physics and Computer Science

Bachelor of Science
2016 - 2020

Work History

R

Runway AI

AI Researcher

Nairobi
2024 - 2024
N

New Media Services

Software Developer

Nairobi
2022 - 2024