Joshua Oloo

BSc Computer Science graduate with 2–3 years of experience as an office and freelance worker in data annotation, structured data management, and audio content generation. Possesses in-depth knowledge of JSON data formats, quality checks in data annotation, and simulation of customer support interactions. Speaks fluent English, demonstrates a professional approach to audio content creation, and is capable of understanding intricate instructions in a remote setting.

Data Annotation Analyst - Microverse / Freelance - Remote

(2023-01)

• Annotated text, audio, and structured datasets utilised for training and testing machine learning algorithms
• Labelled data according to detailed guidelines with accuracy exceeding 95%
• Conducted quality assurance checks on JSON annotations and identified issues and edge cases
• Worked asynchronously with international project teams to standardise labelling processes and diversify datasets

Data Entry & Annotation Analyst - Kenya National Bureau of Statistics - Nairobi, Kenya

(2021-06 - 2022-12)

• Maintained high-quality structured data entry in accordance with national data quality standards
• Performed audio transcription and qualitative coding of survey data for further analysis
• Identified and resolved data anomalies in coordination with supervisors
• Tracked data entry progress using spreadsheet tools and internal reporting systems

Freelance Audio Content Creator - Self-Employed - Remote

(2020)

• Created clear, high-quality audio recordings for e-learning programmes, podcasts, and digital content providers
• Used USB condenser microphone with noise-reduction capability for professionally clear audio output
• Recorded scripted and unscripted content across customer service, educational, and technical subject areas
• Met project requirements within client-specified timelines, working remotely and independently

Bachelor of Science - Computer Science - University of Nairobi (2017 - 2021)