Jemimah Waithera

Key Skills

Software

Clickworker

Toloka

CVAT

Data Annotation Tech

LabelImg

Mercor

Scale AI

Roboflow

Top Subject Matter

General AI/ML datasets

Finance-Risk/Fraud

E-commerce-Product Categorization

Top Data Types

Image

Video

3D Sensor

Top Task Types

Classification

Bounding Box

Question Answering

Cuboid

Transcription

Data Collection

Text Summarization

Object Detection

Text Generation

Freelancer Overview

Freelance Data Annotator (Avala.ai – 2D Annotation). Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Avala.ai, Clickworker, and Toloka. Education includes Diploma, Rift Valley National Polytechnic (2024) and Bachelor of Science, Mount Kenya University (2025). AI-training focus includes data types such as Image and labeling workflows including 2D Annotation and Classification.

Labeling Experience

Freelance Data Annotator (Toloka)

TolokaImageClassification

Worked on Toloka annotating and verifying AI datasets, primarily focusing on image classification. Ensured that labeled data met strict quality standards for use in training machine learning models. Contributed to dataset improvement and accurate data preparation. • Labeled and verified large volumes of image data. • Used Toloka's online annotation platform. • Emphasized accuracy and quality control. • Supported AI training by preparing clean datasets.

Worked on Toloka annotating and verifying AI datasets, primarily focusing on image classification. Ensured that labeled data met strict quality standards for use in training machine learning models. Contributed to dataset improvement and accurate data preparation. • Labeled and verified large volumes of image data. • Used Toloka's online annotation platform. • Emphasized accuracy and quality control. • Supported AI training by preparing clean datasets.

2023 - Present

Freelance Microtask Data Labeler (Clickworker)

ClickworkerImageClassification

Carried out microtasks on Clickworker, which included image data labeling and verification. Tasks involved classifying and organizing image data for AI applications. Timely completion and quality control were always emphasized in each task. • Performed microtask-based image data classification. • Conducted data verification for quality assurance. • Used Clickworker's online platform tools. • Adhered strictly to platform guidelines and deadlines.

Carried out microtasks on Clickworker, which included image data labeling and verification. Tasks involved classifying and organizing image data for AI applications. Timely completion and quality control were always emphasized in each task. • Performed microtask-based image data classification. • Conducted data verification for quality assurance. • Used Clickworker's online platform tools. • Adhered strictly to platform guidelines and deadlines.

2023 - Present

Freelance Data Annotator (Avala.ai – 2D Annotation)

Image

As a freelance data annotator, I performed 2D annotation on images using Avala.ai. My responsibilities included accurately labeling and verifying images for AI training datasets. This work demanded high attention to detail, consistency, and adherence to detailed instructions. • Used Avala.ai for 2D image annotation. • Ensured high-quality outputs suitable for machine learning applications. • Focused on accuracy and efficiency in labeling tasks. • Collaborated remotely and managed tasks independently.

As a freelance data annotator, I performed 2D annotation on images using Avala.ai. My responsibilities included accurately labeling and verifying images for AI training datasets. This work demanded high attention to detail, consistency, and adherence to detailed instructions. • Used Avala.ai for 2D image annotation. • Ensured high-quality outputs suitable for machine learning applications. • Focused on accuracy and efficiency in labeling tasks. • Collaborated remotely and managed tasks independently.

2023 - Present

Education

Work History