Generald O.

Key Skills

Software

Sama

Datatroniq

Data Annotation Tech

Mercor

Scale AI

Top Subject Matter

Global AI dataset annotation (multimodal: images, audio/speech, video)

NLP (African language data) and computer vision dataset annotation

Top Data Types

Image

Audio

Video

Text

Top Task Types

Classification

Segmentation

Text Generation

Question Answering

RLHF

Evaluation/Rating

Transcription

Data Collection

Prompt + Response Writing (SFT)

Freelancer Overview

Data Annotator at Sama Kenya (08/2022 - Present). Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Sama, N, and A. Education includes Bachelor of Science, University of Nairobi (2020). AI-training focus includes data types such as Image, Audio, and Video and labeling workflows including Classification and Entity (NER).

Labeling Experience

Data Annotator at Sama Kenya (08/2022 - Present)

SamaImageClassification

Data Annotator at Sama Kenya, contributing to large-scale dataset labeling for global AI clients. Worked on multi-modal annotation covering images, speech/audio, and video while following strict ethical and quality standards. Maintained 99%+ accuracy and supported workflow improvements to increase team efficiency. • Labeled over 100,000 image, speech, and video data points • Applied sensitivity-aware guidelines for ethical handling of content • Ensured annotation accuracy and consistency across tasks • Improved team efficiency by 20% via workflow refinement

2022 - Present

Junior Data Annotator at Ng'ara Data (12/2020 - 05/2022)

Text

Junior Data Annotator at Ng'ara Data supporting NLP and computer vision dataset labeling projects. Performed multi-layer quality checks to maintain data consistency and label reliability. Contributed to improving African language model training accuracy through careful annotation. • Labeled datasets for NLP and computer vision projects • Conducted multi-layer quality checks for consistency • Supported African language model training accuracy improvements • Collaborated with project teams to meet labeling requirements

2020 - 2022

Education

Work History