I am Samuel Ngumbau, a testing expert and customer experience specialist based in Nairobi, Kenya, with over three years of valuable experience in research, administrative, and technical roles across NGOs and government organizations. My work spans functional and technical testing, operation management, logistics planning, and providing excellent technical support both remotely and onsite. I am proficient in multiple tools and systems such as ERP, FreshDesk, KoboCollect, and Microsoft 365, and I bring strong skills in communication, conflict resolution, and data accuracy to my roles. Fluent in English and Swahili, I am passionate about delivering high-quality work and maintaining efficient processes in diverse environments.

Samuel Ngumbau

I am Samuel Ngumbau, a testing expert and customer experience specialist based in Nairobi, Kenya, with over three years of valuable experience in research, administrative, and technical roles across NGOs and government organizations. My work spans functional and technical testing, operation management, logistics planning, and providing excellent technical support both remotely and onsite. I am proficient in multiple tools and systems such as ERP, FreshDesk, KoboCollect, and Microsoft 365, and I bring strong skills in communication, conflict resolution, and data accuracy to my roles. Fluent in English and Swahili, I am passionate about delivering high-quality work and maintaining efficient processes in diverse environments.

Available to hire

I am Samuel Ngumbau, a testing expert and customer experience specialist based in Nairobi, Kenya, with over three years of valuable experience in research, administrative, and technical roles across NGOs and government organizations. My work spans functional and technical testing, operation management, logistics planning, and providing excellent technical support both remotely and onsite.

I am proficient in multiple tools and systems such as ERP, FreshDesk, KoboCollect, and Microsoft 365, and I bring strong skills in communication, conflict resolution, and data accuracy to my roles. Fluent in English and Swahili, I am passionate about delivering high-quality work and maintaining efficient processes in diverse environments.

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Language

English
Fluent
Swahili
Advanced

Work Experience

Testing Expert at Centific Global Inc.
January 1, 2025 - Present
Provide troubleshooting for errors in payment method processing, ensure accuracy in recording website behavior during testing, and save authentic videos related to payment methods in a part-time remote role.
Warehouse Associate at Kyosk Digital Services - Hipora Business Solutions E.A.
January 1, 2025 - Present
Conduct route planning for drivers distributing products, receive and verify supplier invoices and ERP procurement receipts, calculate and regulate logistical costs to 1.5% per trip, track expiry dates, and manage stock movement via ERP software.
Data Annotation Specialist at TELUS Digital AI
January 1, 2021 - Present
Performed data annotation on imagery and textual data to support machine learning accuracy. Escalated tickets to resolve data collection discrepancies using FreshDesk ticketing system.
Research Assistant at ENVIU
August 31, 2024 - August 15, 2025
Supported Regenerative Agriculture project by conducting community-based sampling, using KOBO Collect toolkit for data submission, resolving data collection challenges, implementing conflict resolution, evaluating farmer scores, and translating surveys to Kamba/Swahili languages.
Warehouse Associate at TextBook Centre - Hipora Business Solutions EA
March 31, 2024 - August 15, 2025
Double-checked inbound and outbound products, conducted stock takes, maintained accuracy of offshore supply unit counts, and processed e-commerce customer orders.
Polling Clerk (I) at IEBC
August 31, 2022 - August 15, 2025
Searched 300 voters in KIEMS, resolved minor conflicts, managed queues and confidentiality for 30 special needs voters, assisted in ballot paper issuance, sorting, and counting during elections.
Research Assistant at Village Enterprise
September 30, 2021 - August 15, 2025
Verified and synchronized collected data, administered semi-structured interviews, maintained communication on data discrepancies, and translated surveys into Kamba/Swahili languages.
Research Assistant at Kenya National Bureau of Statistics
June 30, 2021 - August 15, 2025
Protected confidentiality and consent in data collection, listed 1500 vulnerable households in ERMS application, conducted community-based identification for interviews, introduced surveys to participants, and synchronized data daily in a part-time role.
Testing Expert at Centific Global Inc.
January 1, 2025 - Present
Responsible for troubleshooting errors in payment method processing and ensuring accuracy in recording website behavior during the testing process. Produced authentic videos on payment methods for quality assurance.
Warehouse Associate at Kyosk Digital Services - Hipora Business Solutions E.A.
January 1, 2025 - Present
Conducted route planning for drivers in product distribution, verified supplier invoices/LPOs against ERP procurement receipts, calculated route calls, regulated logistical costs to 1.5% per trip, checked expiry of stock, and issued stock movements through ERP software.
Data Annotation Specialist at TELUS Digital AI
January 1, 2021 - Present
Performed data annotation on imagery and textual data to improve machine learning accuracy. Managed ticket escalations to resolve data collection discrepancies using FreshDesk ticketing system.
Research Assistant at ENVIU
August 31, 2024 - August 15, 2025
Conducted GPS searches in farmers' Regenerative Agriculture project, identified sampled respondents using KOBO Collect toolkit, resolved data collection challenges, initiated conflict resolution mechanisms, evaluated socio-economic impacts, and translated surveys from English to Kamba/Swahili.
Warehouse Associate at TextBook Centre - Hipora Business Solutions EA
March 31, 2024 - August 15, 2025
Verified inbound and outbound products, conducted stocktakes and regulated stock movement, received offshore supplies maintaining accuracy in unit counting, and processed e-commerce customer orders.
Polling Clerk (I) at IEBC
August 31, 2022 - August 15, 2025
Searched 300 voters in Kenya Integrated Election Management System, resolved conflicts, managed queues for 30 voters with special needs, assisted officials in ballot handling, sorting, and counting.
Research Assistant at Village Enterprise
September 30, 2021 - August 15, 2025
Syncing collected data daily, administering semi-structured interviews, maintaining communication regarding data discrepancies, translating survey questions into simplified Kamba/Swahili languages.
Research Assistant at Kenya National Bureau of Statistics
June 30, 2021 - August 15, 2025
Protected participant rights during data collection, listed 1500 vulnerable households in ERMS application, mapped and interviewed sampled participants, introduced surveys, and ensured daily data synchronization.

Education

Bachelor of Arts in Justice and Security Studies at Mount Kenya University
May 22, 2017 - August 6, 2021

Qualifications

SAP Implementation Consultant End-to-End Business Process for the Intelligent Enterprise
May 1, 2024 - October 15, 2025
Certified Customer Support Associate
September 4, 2023 - May 20, 2024

Industry Experience

Non-Profit Organization, Government, Wholesale & Distribution, Consumer Goods, Software & Internet, Transportation & Logistics, Agriculture & Mining

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