Sarah Wanjiku Wambugu

Available to hire

Language

English
Fluent
Swahili
Fluent
Portuguese
Advanced
Spanish; Castilian
Intermediate

Work Experience

IT Support & Administrative Assistant at Seda-Tech Company LTD
January 1, 2021 - December 1, 2022
Installed, configured, and maintained IT systems, including networks and security systems; performed system diagnostics and troubleshooting using Wireshark and Nmap; supported users; managed service requests, internal communications, and task follow-ups; coordinated workflows and maintained logs; utilized Linux environments and command-line operations for file management, software setup, and system navigation; assisted with scheduling, documentation, and record management; gained foundational experience in problem-solving, spatial reasoning, and structured workflow execution.
Data Analyst at CloudFactory Kenya
January 1, 2022 - December 1, 2025
Processed and analyzed large datasets with high accuracy, producing high-quality annotations for AI model training; translated natural language instructions into detailed workflows and reviewed outputs for consistency and reproducibility; developed and managed structured data pipelines using APIs and browser-based tools, ensuring data compliance and confidentiality; improved stakeholder decision-making efficiency by generating reports and coordinating projects on deadlines; enhanced workflow efficiency with open-source software in Ubuntu / Linux environments; monitored project timelines in a remote setting; tracked and reported project deliverables, ensuring precise communication and prompt client responses.
Data Annotation Specialist | AI Training Data at LXTA Auto Services
January 1, 2021 - January 1, 2023
Executed high-volume data annotation and 2D/3D image segmentation for AI/ML datasets, achieving over 95% quality benchmarks; cleaned, analyzed, and visualized datasets using Excel and Google Sheets; optimized workflows and maintained high productivity and accuracy in a fast-paced remote environment; tracked and reported project deliverables; contributed to data enrichment, automation, and process improvements; developed foundational Python scripting skills for enhanced problem-solving and task automation; collaborated with QA teams to document and escalate workflow issues, improving tool and process efficiency.

Education

Bachelor of Science - Mathematics & Computer Science (Statistics Specialization) at Kenya Jamia Shichola School
September 1, 2021 - November 1, 2025
Bachelor of Science - Mathematics & Computer Science (Statistics Specialization) at Meru University of Science & Technology
September 1, 2021 - November 1, 2025

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Media & Entertainment, Education