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Felix Wachira

Practice Data Annotation Projects (Self-Initiated)

Kenya flagNairobi, Kenya
$1.50/hrIntermediateOther

Key Skills

Software

Other

Top Subject Matter

General/Practice (AI Training Concepts)
General/Practice (Computer Vision)
General/Practice (Transcription and Speech-to-Text)

Top Data Types

TextText
ImageImage
AudioAudio

Top Task Types

ClassificationClassification
Object DetectionObject Detection
TranscriptionTranscription

Freelancer Overview

Practice Data Annotation Projects (Self-Initiated). Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Kenya Certificate of Secondary Education Certificate, [Your Secondary School Name]. AI-training focus includes data types such as Text, Image, and Audio and labeling workflows including Classification, Object Detection, and Transcription.

IntermediateEnglishSwahili

Labeling Experience

Transcription Practice

OtherAudioTranscription
I practiced converting audio recordings into written text as part of data labeling exercises. Emphasis was placed on accuracy, formatting, and ensuring high-quality transcriptions for dataset purposes. Consistent effort was made to produce error-free and well-structured audio-to-text conversions. • Transcribed audio samples for practice datasets • Focused on formatting and accuracy in text output • Improved speed and fidelity over multiple sessions • Learned impact of transcription quality on AI model training

I practiced converting audio recordings into written text as part of data labeling exercises. Emphasis was placed on accuracy, formatting, and ensuring high-quality transcriptions for dataset purposes. Consistent effort was made to produce error-free and well-structured audio-to-text conversions. • Transcribed audio samples for practice datasets • Focused on formatting and accuracy in text output • Improved speed and fidelity over multiple sessions • Learned impact of transcription quality on AI model training

2025 - Present

Practice Data Annotation Projects (Self-Initiated)

OtherImageObject Detection
I performed basic image annotation tasks such as identifying and tagging objects in images. The practice involved tagging features within images for machine learning dataset preparation. I worked to maintain consistency and accuracy while learning image annotation fundamentals. • Identified and labeled objects in sample images • Practiced tagging features and organizing datasets • Improved annotation consistency across entries • Explored the impact of labeling on computer vision models

I performed basic image annotation tasks such as identifying and tagging objects in images. The practice involved tagging features within images for machine learning dataset preparation. I worked to maintain consistency and accuracy while learning image annotation fundamentals. • Identified and labeled objects in sample images • Practiced tagging features and organizing datasets • Improved annotation consistency across entries • Explored the impact of labeling on computer vision models

2025 - Present

Practice Data Annotation Projects (Self-Initiated)

OtherTextClassification
I practiced labeling text data by categorizing content into relevant topics and identifying sentiments. My work included organizing text into structured categories and evaluating annotation quality for accuracy. I reviewed and improved small sample datasets to ensure clarity and consistency in text labeling. • Categorized text data based on specific guidelines • Labeled sentiments and organized by relevant topics • Reviewed labeled datasets for consistency • Learned to enhance model performance with annotated data

I practiced labeling text data by categorizing content into relevant topics and identifying sentiments. My work included organizing text into structured categories and evaluating annotation quality for accuracy. I reviewed and improved small sample datasets to ensure clarity and consistency in text labeling. • Categorized text data based on specific guidelines • Labeled sentiments and organized by relevant topics • Reviewed labeled datasets for consistency • Learned to enhance model performance with annotated data

2025 - Present

Education

[

[Nyeri High School]

Kenya Certificate of Secondary Education Certificate, General Secondary Education

Kenya Certificate of Secondary Education Certificate
2022 - 2025

Work History

S

Self-Employed

Freelance Digital Services Assistant

Nyeri Town, Central
2025 - Present