Brenda Wambui

Key Skills

Software

Clickworker

HiveMind

OneForma

Toloka

Top Subject Matter

General AI Training

customer support

Top Data Types

Text

Image

Audio

Top Task Types

Classification

Bounding Box

Point Key Point

Text Generation

Question Answering

Object Detection

Text Summarization

Fine Tuning

Transcription

Data Collection

Prompt Response Writing SFT

Segmentation

Freelancer Overview

Data Annotator (Text Data). Core strengths include Clickworker. Education includes Certificate, Uniathena (2026). AI-training focus includes data types such as Text, Image, and Audio and labeling workflows including Classification.

Labeling Experience

Data Annotator (Audio Data)

ClickworkerAudioClassification

I contributed to AI development by labeling and annotating audio data as per project requirements. This involved following detailed labeling protocols for audio classification. I reviewed my work to ensure adherence to defined quality benchmarks. • Labeled and categorized audio clips for training purposes • Followed detailed guidelines for consistent audio annotation • Identified and flagged challenging or unclear audio segments • Used online annotation tools efficiently to complete tasks

I contributed to AI development by labeling and annotating audio data as per project requirements. This involved following detailed labeling protocols for audio classification. I reviewed my work to ensure adherence to defined quality benchmarks. • Labeled and categorized audio clips for training purposes • Followed detailed guidelines for consistent audio annotation • Identified and flagged challenging or unclear audio segments • Used online annotation tools efficiently to complete tasks

2025 - 2026

Data Annotator (Image Data)

ClickworkerImageClassification

I annotated and categorized image datasets to facilitate image recognition AI training. The tasks were performed based on precise instructions and established annotation guidelines to maintain data integrity. My responsibilities also included checking and validating labeled images for project consistency. • Annotated images by tagging and categorizing objects • Validated labeled image data for accuracy • Reported labeling errors and unclear cases • Maintained productivity standards while meeting deadlines

I annotated and categorized image datasets to facilitate image recognition AI training. The tasks were performed based on precise instructions and established annotation guidelines to maintain data integrity. My responsibilities also included checking and validating labeled images for project consistency. • Annotated images by tagging and categorizing objects • Validated labeled image data for accuracy • Reported labeling errors and unclear cases • Maintained productivity standards while meeting deadlines

2025 - 2026

Data Annotator (Text Data)

ClickworkerTextClassification

I labeled and reviewed text data to support AI model training for various projects. My work involved following detailed guidelines to ensure high quality and consistent outcomes. Rigorous quality checks and data validation were performed before submission. • Labeled text data according to project requirements • Ensured accuracy by reviewing labeled examples • Flagged and reported inconsistencies for clarification • Used online annotation platforms efficiently

I labeled and reviewed text data to support AI model training for various projects. My work involved following detailed guidelines to ensure high quality and consistent outcomes. Rigorous quality checks and data validation were performed before submission. • Labeled text data according to project requirements • Ensured accuracy by reviewing labeled examples • Flagged and reported inconsistencies for clarification • Used online annotation platforms efficiently

2025 - 2026

Education

Work History