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DENIS MWANGI

@denismwangi

Detail-oriented Data Annotation Specialist with 3 years of experience.

Kenya

What I'm looking for

I am looking for opportunities that allow me to leverage my data annotation skills in a collaborative environment, focusing on AI development and quality assurance.

I am a detail-oriented and highly organized Data Annotation Specialist with three years of experience in labeling, tagging, and annotating data for machine learning and AI models. My expertise lies in handling large datasets and utilizing various annotation tools to maintain high accuracy under tight deadlines. I am passionate about contributing to the development of AI systems through meticulous data processing and quality assurance.

In my role at Samasource, I successfully annotated and labeled over 100 data samples, including images, text, and audio, to train AI models. I utilized tools like CVAT to mark objects, classify text, and transcribe audio files. My collaboration with the QA team ensured that we achieved over 98% accuracy and compliance with annotation guidelines, while also participating in refining annotation standards and documentation.

Experience

Work history, roles, and key accomplishments

SA

Data Annotation Specialist

Samasource

Apr 2022 - Jul 2024 (2 years 3 months)

Annotated and labeled over 100 data samples (images/text/audio) to train AI models. Used tools like CVAT to mark objects, classify text, and transcribe audio files.

Education

Degrees, certifications, and relevant coursework

EU

Embu University

Bachelor in Computer Science, Computer Science

Studied a comprehensive curriculum in Computer Science, covering core areas such as Data Science Fundamentals, Computer Vision, and Linguistics. Gained foundational knowledge in various aspects of computing and data analysis.

Tech stack

Software and tools used professionally

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DENIS MWANGI - Data Annotation Specialist - Samasource | Himalayas