J
James Ndungu
About
Detail
Nairobi, Nairobi County, Kenya
Contact James regarding:
Flexible work
Starting at
USD15.6/hour
groups
Networking
Résumé
Jobs
verified_user
0% verified
AI Transcription ReviewerCrowdGenMar 2026 - Current (6 months)• Reviewed AI-generated speech transcriptions for accuracy. • Corrected transcription errors and audio segmentation issues. • Performed quality assurance on speech recognition datasets. • Ensured compliance with project guidelines and technical standards. • Supported machine learning model improvement through high-quality data validation.- NOperations Virtual AssistantNex4Jan 2026 - Current (8 months)• Supported daily technical and operational workflows in a remote environment. • Maintained structured documentation and digital records. • Coordinated project activities using Notion. • Utilized AI tools to improve documentation and productivity. • Supported remote collaboration using Microsoft Teams and Zoom. • Assisted in organizing operational information and workflow processes.
- AI Data Operations & CRM SupportCrezivantaJan 2025 - Dec 2025 (1 year)• Managed and maintained HubSpot CRM records. • Updated customer and operational databases. • Supported workflow organization and reporting. • Coordinated lead tracking activities. • Applied basic workflow automation using Zapier and Make.com. • Managed structured email communications.
- Freelance Data Analyst & Operations SupportSelf-employedJan 2024 - Nov 2025 (1 year 11 months)• Organized and cleaned operational datasets. • Prepared spreadsheets and business documentation. • Supported reporting and workflow optimization. • Managed digital records using productivity platforms. • Assisted with operational data management and process improvements. • Developed Python scripts for data processing, workflow automation, and reporting tasks. • Implemented version control for project code using Git.
- RCashier & Financial Operations SupportRiva Supermarket & RestaurantDec 2022 - Apr 2026 (3 years 5 months)• Processed customer transactions accurately. • Maintained financial records and daily reconciliations. • Resolved payment-related issues. • Supported business operations in a fast-paced environment. • Maintained accuracy while handling financial transactions.
- AI Data Annotator & Qa ReviewerRemotasksJun 2022 - Apr 2024 (1 year 11 months)• Annotated datasets for machine learning applications. • Performed quality assurance reviews on annotated data. • Corrected inconsistencies using project guidelines. • Prepared structured datasets for AI model training. • Maintained high standards of data quality and consistency.
Education
verified_user
0% verified
- HubSpot Inbound Sales CertificationHubSpotFeb 2026 - Current (7 months)
- UData & Spreadsheet Skills CertificationUnknownJan 2025 - Feb 2025 (2 months)
- SBachelors in Computer ScienceSt. FrancisJan 2018 - Jan 2021 (3 years 1 month)
Projects (professional or personal)
verified_user
0% verified
- Workflow & DocumentationIndependentJan 2026 - Current (8 months)• Organized project documentation using Notion. • Coordinated digital workflows for remote teams. • Managed operational records and structured documentation.
- Independent Software Engineering ProjectsIndependent professionalJan 2024 - Nov 2025 (1 year 11 months)• Developed independent software engineering projects using Python for automation and data processing. • Managed project repositories and version history using Git (init, commit, branch, merge, push). • Documented work and backed up code using GitHub.
- AI Data Quality ProjectsIndependentJun 2022 - Current (4 years 3 months)• Reviewed and validated AI datasets for machine learning applications. • Improved transcription accuracy through quality assurance. • Followed structured annotation guidelines. • Contributed to AI training data preparation. • Managed source code and version history using Git, including initializing repositories, branching, and merging. • Utilized Python for data cleaning, validation, ETL workflows, and exploratory data analysis.