EZEKIEL MARANGI MURAGE

EZEKIEL MARANGI MURAGE

Data Science student and versatile freelance professional

Nairobi, Kenya

#OpenToWork

About

Data Science student and versatile freelance professional with 1+ years of experience in transcription, data annotation, and full-stack web development. Skilled in Python, JavaScript, React, and SQL-based databases with hands-on expertise in annotation platforms including Labelbox, Scale AI, and Label Studio. Combines strong analytical thinking with meticulous attention to detail across data quality, document review, and software development projects.

What I'm looking for

I am seeking a role that bridges data quality assurance with technical problem-solving, specifically in data annotation, transcription QA, or programming. I want to work where data integrity is paramount, applying my expertise in error reconciliation, validation, and AI benchmarking. Ultimately, I aim to use my attention to detail to ensure high-quality data outputs, while leveraging my programming skills to automate processes, build validation rules, and improve efficiency.

Experience

Upwork and Fiverr

Freelance Transcriptionist | Data Annotator | Web Developer

Upwork and Fiverr

Jan 2025 โ€“ Present

- Delivered 50+ transcription, data annotation, and web development projects for international clients with consistently high ratings. - Built responsive full-stack web applications using React, Node.js, PostgreSQL, and MongoDB. - Performed audio and video transcription with high accuracy across diverse domains and accents. - Annotated and labeled datasets for AI and ML training using Labelbox, Scale AI, and Label Studio. - Managed end-to-end project delivery including client communication, scope definition, execution, and quality assurance.

ReactNode.jsPostgreSQL

Transcriptionist

Remoat Teams

Feb 2026 โ€“ May 2026

- Transcribed audio and video content with strict adherence to formatting guidelines and accuracy standards. - Reviewed and proofread transcripts for completeness, grammar, and consistency. - Handled sensitive and confidential content with appropriate data privacy practices. - Maintained fast turnaround times while sustaining high-quality output across large volumes.

TranscriptionData PrivacyProofreading
IMERIT

Data Annotator

IMERIT

Mar 2026 โ€“ Apr 2026

- Annotated and labeled datasets for machine learning model training across multiple project types. - Performed quality checks on annotated data to ensure accuracy and compliance with project guidelines. - Collaborated with distributed teams to meet annotation targets and resolve labeling ambiguities. - Applied attention to detail in identifying edge cases and flagging inconsistencies in datasets.

Data AnnotationQuality AssuranceMachine Learning

Education

The Co-operative University of Kenya

The Co-operative University of Kenya

BSc. ยท Data Science and Applied Statistics

2028

Skills

GitPII HandlingQuality AssuranceData ValidationTranscriptionData AnnotationLabel StudioScale AILabelboxMongoDBPostgreSQLWeb DesignNode.jsCSS3HTML5ReactC++CJavaScriptPython

Languages

English (Full professional proficiency)Swahili (Native or bilingual proficiency)