Lewis Gichia

Key Skills

Software

Labelbox

SuperAnnotate

Dataloop

HiveMind

Scale AI

Appen

Toloka

Top Subject Matter

No subject matter listed

Top Data Types

Image

Top Label Types

Bounding Box

Segmentation

Object Detection

Classification

Cuboid

Point Key Point

Freelancer Overview

I am a detail-oriented Data Annotation and AI Training Specialist with hands-on experience in both 2D and 3D data annotation, dataset structuring, and quality assurance since 2022. My work spans multiple platforms, including Execo, Jijenge, Upwork, Remotasks, Appen, Scale AI, and Toloka AI, where I have contributed high-accuracy labeled data to support machine learning and computer vision projects. I am skilled in object detection, semantic segmentation, and maintaining rigorous quality standards. My ability to clearly communicate, document technical processes, and coordinate with remote teams ensures efficient workflows and exceptional results that enhance AI model performance.

Labeling Experience

Annotation Technician

TolokaImagePoint Key Point

At Toloka AI, performed key point annotation tasks for AI training datasets. Focused on precision in identifying key points in provided images. Contributed to the overall project success through high-quality labeling. Maintained accurate records of annotation activities. • Engaged in error resolution processes to enhance data accuracy. • Assisted in the integration of new annotation technology. • Coordinated with peers for optimum annotation outcomes. • Reported project milestones to the project leads.

At Toloka AI, performed key point annotation tasks for AI training datasets. Focused on precision in identifying key points in provided images. Contributed to the overall project success through high-quality labeling. Maintained accurate records of annotation activities. • Engaged in error resolution processes to enhance data accuracy. • Assisted in the integration of new annotation technology. • Coordinated with peers for optimum annotation outcomes. • Reported project milestones to the project leads.

2023

AI Data Contributor

AppenImageCuboid

Worked with Appen/Scale AI as an AI Data Contributor, involved in cuboid annotation for complex image training datasets. Employed software tools for efficient and accurate data labeling. Collaborated with a team to achieve project objectives. Ensured compliance with quality guidelines. • Engaged in continuous skill enhancement sessions. • Supported data collection for new projects. • Provided feedback to improve labeling tools. • Managed annotation tasks with diverse project requirements.

Worked with Appen/Scale AI as an AI Data Contributor, involved in cuboid annotation for complex image training datasets. Employed software tools for efficient and accurate data labeling. Collaborated with a team to achieve project objectives. Ensured compliance with quality guidelines. • Engaged in continuous skill enhancement sessions. • Supported data collection for new projects. • Provided feedback to improve labeling tools. • Managed annotation tasks with diverse project requirements.

2023

AI Annotator

HivemindImageClassification

At LinkedIn Freelance, performed annotation tasks with a focus on image classification. Specialized in identifying and labeling relevant data points for client projects. Collaborated to refine AI models through accurate classification. Monitored project progress to ensure timely completion. • Participated in peer reviews to ensure quality standards. • Contributed to enhancement of annotation guidelines. • Implemented feedback to improve labeling accuracy. • Familiarized new team members with project specifications.

At LinkedIn Freelance, performed annotation tasks with a focus on image classification. Specialized in identifying and labeling relevant data points for client projects. Collaborated to refine AI models through accurate classification. Monitored project progress to ensure timely completion. • Participated in peer reviews to ensure quality standards. • Contributed to enhancement of annotation guidelines. • Implemented feedback to improve labeling accuracy. • Familiarized new team members with project specifications.

2023

AI Support Annotator

SuperannotateImageSegmentation

At Jijenge Company, worked as an AI Support Annotator focusing on image segmentation tasks. Contributed to the segmentation of high-resolution images used in AI-based applications. Maintained a high level of detail and accuracy in labeling. Utilized advanced software tools for efficient data annotation. • Assisted in the development of training datasets for machine learning. • Documented procedures for segmentation processes. • Participated in training sessions for new annotators. • Reported progress and challenges to the project manager.

At Jijenge Company, worked as an AI Support Annotator focusing on image segmentation tasks. Contributed to the segmentation of high-resolution images used in AI-based applications. Maintained a high level of detail and accuracy in labeling. Utilized advanced software tools for efficient data annotation. • Assisted in the development of training datasets for machine learning. • Documented procedures for segmentation processes. • Participated in training sessions for new annotators. • Reported progress and challenges to the project manager.

2023

Data Labeling Specialist

Scale AIImageSegmentation

As a Data Labeling Specialist at Remotasks, focused on segmenting image data for AI training purposes. Utilized modern software platforms to perform high-accuracy labeling. Maintained consistency in applying annotation standards across projects. Contributed to quality enhancement of training datasets. • Participated in continuous learning and skill development. • Improved annotation techniques through practice. • Collaborated with international annotation teams. • Supported the development of automated annotation tools.

As a Data Labeling Specialist at Remotasks, focused on segmenting image data for AI training purposes. Utilized modern software platforms to perform high-accuracy labeling. Maintained consistency in applying annotation standards across projects. Contributed to quality enhancement of training datasets. • Participated in continuous learning and skill development. • Improved annotation techniques through practice. • Collaborated with international annotation teams. • Supported the development of automated annotation tools.

2022

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Education

Work History