Victor Mugambi
@victormugambi
Freelance AI trainer and data annotator specializing in Kiswahili and software testing.
What I'm looking for
I am a detail-oriented freelancer focused on AI training, data annotation, and software testing, with hands-on experience supporting language-model development.
At Welo Data I provided accurate Kiswahili linguistic feedback and performed data quality checks to improve model performance, and at RWS I contributed to large-scale labeling projects that enhanced AI understanding.
As a freelance tester for uTest and Test IO I conducted functional, manual, and exploratory testing to identify and report software issues and improve application quality.
I also have experience moderating online communities and producing/editing written content, and I am pursuing a BA in Economics at the University of Nairobi while focusing my career on AI development, language technology, and data annotation.
Experience
Work history, roles, and key accomplishments
Data Annotator
RWS
Jan 2025 - Dec 2025 (11 months)
Performed large-scale data labeling to enhance AI model understanding and performance through consistent annotations and adherence to project specifications.
AI Kiswahili Trainer
Welo Data
Jan 2025 - Dec 2025 (11 months)
Trained AI models in Kiswahili by providing linguistic feedback and performing data quality checks to improve model language accuracy and consistency.
Freelance Tester
Test IO
Jan 2024 - Dec 2024 (11 months)
Performed manual and exploratory testing on client projects to ensure high-quality software performance and timely issue resolution.
Freelance Tester
uTest
Jan 2024 - Dec 2024 (11 months)
Conducted functional and usability testing across applications, identifying and reporting software issues to improve product quality and user experience.
Chat Moderator
E Moderators
Jan 2023 - Dec 2023 (11 months)
Moderated real-time chats to enforce community standards, manage user engagement, and resolve issues to maintain a safe platform environment.
Copywriter and Editor
IAPWE
Jan 2023 - Dec 2023 (11 months)
Created and edited written content to meet client objectives and maintain brand tone consistency across projects.
Education
Degrees, certifications, and relevant coursework
University of Nairobi
Bachelor of Arts, Economics
Currently a third-year student pursuing a Bachelor of Arts in Economics with coursework relevant to data analysis and quantitative methods.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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