I am Emilio Njagi, an AI Trainer and Data Analyst based in Nairobi, Kenya. My expertise lies in audio processing and financial analytics. I have a proven track record in refining speech datasets for voice AI training and data annotation. I’m passionate about integrating AI model evaluation with data-driven decision-making to enhance business intelligence.

Emilio Njagi

I am Emilio Njagi, an AI Trainer and Data Analyst based in Nairobi, Kenya. My expertise lies in audio processing and financial analytics. I have a proven track record in refining speech datasets for voice AI training and data annotation. I’m passionate about integrating AI model evaluation with data-driven decision-making to enhance business intelligence.

Available to hire

I am Emilio Njagi, an AI Trainer and Data Analyst based in Nairobi, Kenya. My expertise lies in audio processing and financial analytics. I have a proven track record in refining speech datasets for voice AI training and data annotation. I’m passionate about integrating AI model evaluation with data-driven decision-making to enhance business intelligence.

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Experience Level

Language

English
Advanced
Swahili
Fluent
Spanish; Castilian
Intermediate

Work Experience

Data Annotation Specialist & Reviewer at Freelance Projects
January 1, 2024 - Present
As a Data Annotation Specialist, I annotated and validated over 1,000 datasets with a 99.9% accuracy rate, conducted multilingual annotation, and collaborated with QA leads for compliance.
Audio Editor & Quality Reviewer at Freelance Projects
January 1, 2023 - December 31, 2024
I processed and refined 500+ hours of speech data, established labeling frameworks, and automated audio preprocessing workflows, increasing team throughput by 25%.
Data Analyst – Finance & Research Projects at Kirinyaga University / Ajira Digital
September 1, 2022 - December 31, 2023
I processed and cleaned over 10,000 financial and academic records, built Power BI dashboards, and enhanced data usability for research and AI modeling.

Education

Bachelor of Commerce (Finance) at Kirinyaga University
January 1, 2023 - April 30, 2026

Qualifications

Advanced Prompt Caching & Response Optimization
October 1, 2025 - January 12, 2026
AWS Certification Subject Matter Expert Training
September 1, 2025 - January 12, 2026
Advanced Model Context Protocol
September 1, 2025 - January 12, 2026
AI Fluency: Framework & Foundations
September 1, 2025 - January 12, 2026
Amazon Transcribe: Getting Started
November 1, 2024 - January 12, 2026
Machine Learning: Data Preparation & Feature Engineering
November 1, 2024 - January 12, 2026
Data Analysis Certification
January 11, 2030 - January 12, 2026

Industry Experience

Financial Services, Education, Media & Entertainment

Experience Level

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