Samwel J.

Key Skills

Software

Labelbox

Appen

iMerit

Top Subject Matter

AI and Natural Language Processing

Speech Recognition

Computer Vision

Top Data Types

Text

Audio

Image

Video

Top Task Types

Classification

Transcription

Audio Recording

Freelancer Overview

Freelance AI Data Annotator & English Language Specialist. Core strengths include Labelbox, Appen, and iMerit. Education includes Bachelor of Veterinary Medicine, University of Nairobi (2023) and Kenya Certificate of Secondary Education, N/A (2022). AI-training focus includes data types such as Text, Audio, and Image and labeling workflows including Classification, Transcription, and Audio Recording.

Labeling Experience

Voice Recording and Audio Annotation Freelancer

AppenAudioAudio Recording

I recorded high-quality English speech samples for audio data collection in speech recognition and text-to-speech AI projects. The work entailed annotating speaker segments and background noise, as well as meeting technical standards for clean audio. The annotated data contributed to training and improving language models. • Provided clear and diverse English speech recordings for AI training. • Annotated speaker segments and background sounds as required. • Ensured all delivered audio files met client expectations. • Enhanced data quality and consistency for speech-based AI tasks.

2022 - Present

Freelance AI Data Annotator & English Language Specialist

LabelboxVideoClassification

I contributed to video data annotation for machine learning applications, primarily focusing on content moderation and segmentation. My tasks involved accurately classifying, moderating, and labeling video segments to meet specific project needs. I consistently delivered annotated video data within tight deadlines to ensure project progress. • Labeled and classified video segments for AI model training. • Moderated video content as per project guidelines. • Segmented and annotated relevant scenes or actions in video files. • Achieved a balance of speed and accuracy in video annotation work.

2021 - Present

Freelance AI Data Annotator & English Language Specialist

iMeritImageClassification

I performed image annotation tasks as part of larger data labeling projects for AI training. The work included classifying images and ensuring each was labeled according to strict guidelines for use in computer vision models. I maintained a high level of accuracy while working independently on varied datasets. • Classified and annotated images for use in vision-based AI systems. • Followed detailed instructions to maintain label consistency. • Delivered timely results while keeping error rates low. • Used industry-leading annotation software platforms for image projects.

2021 - Present

Freelance AI Data Annotator & English Language Specialist

AppenAudioTranscription

In this role, I transcribed and segmented English audio data to support speech recognition and training for AI models. I focused on delivering accurate and high-quality transcripts with timestamps, ensuring all audio files adhered to client requirements. My work helped improve the effectiveness of audio-based AI systems by providing reliable labeled data. • Accurately transcribed audio recordings into structured text data. • Segmented and annotated timestamps and speaker turns. • Ensured transcripts matched high standards for clarity and accuracy. • Managed multiple projects using online audio annotation tools.

2021 - Present

Freelance AI Data Annotator & English Language Specialist

LabelboxTextClassification

I worked as a freelance AI data annotator and English language specialist, focusing on text data for machine learning and AI development. My responsibilities included reviewing and correcting AI-generated content, moderating and classifying text for accurate labeling, and maintaining high accuracy across projects. I labeled datasets according to client specifications and ensured quality standards were met throughout each assignment. • Labeled and classified large volumes of text data across diverse projects. • Provided quality assurance and corrections for AI-generated textual responses. • Collaborated remotely with global clients on annotation tasks. • Utilized various annotation platforms to deliver consistent results.

2021 - Present

Education

Work History