Sam Mwas

Key Skills

Software

Sama

CVAT

Appen

Dataloop

Deep Systems

Hasty

Labelbox

OneForma

Remotasks

SuperAnnotate

Other

Top Subject Matter

AI and machine learning image/data projects

location and mapping research

Data annotation, labelling and audio video transcription

Top Data Types

Image

Audio

Text

Document

Top Task Types

Bounding Box

Transcription

Polygon

Segmentation

Classification

Point/Key Point

Polyline

Cuboid

Object Detection

Freelancer Overview

Data Annotator, Research Data Annotator, Quality Analyst at Sama Kenya Ltd. Brings 1+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Sama, CVAT, and Other. Education includes Certification, Louise Park College (2021) and Craft Certificate, Kenya Institute of Highways & Building Technology (2021). AI-training focus includes data types such as Image and Audio and labeling workflows including Bounding Box and Transcription.

Labeling Experience

Data Annotator, Research Data Annotator, Quality Analyst at Sama Kenya Ltd

SamaImageBounding Box

Performed high-accuracy image annotation and data labeling to support AI and machine-learning model development. Consistently met daily targets while upholding stringent quality thresholds through detailed QA workflows. Reviewed and provided feedback on annotated datasets to ensure compliance and supported calibration sessions for client requirements alignment. • Conducted quality assurance checks and maintained precise documentation. • Participated in calibration and performance tracking for continuous improvement. • Conducted location-based research and mapping validation for AI datasets. • Supported geographic data verification and annotation for location intelligence models.

Performed high-accuracy image annotation and data labeling to support AI and machine-learning model development. Consistently met daily targets while upholding stringent quality thresholds through detailed QA workflows. Reviewed and provided feedback on annotated datasets to ensure compliance and supported calibration sessions for client requirements alignment. • Conducted quality assurance checks and maintained precise documentation. • Participated in calibration and performance tracking for continuous improvement. • Conducted location-based research and mapping validation for AI datasets. • Supported geographic data verification and annotation for location intelligence models.

2021 - Present

Data Annotator / Reviewer, CVAT Annotation Projects

CVATImageBounding Box

Provided image annotation and labeling services using the CVAT platform for remote AI projects. Reviewed and edited annotator outputs for compliance with quality guidelines and conducted comprehensive QA checks. Participated in calibration sessions and supported distributed task management in a fully remote role. • Ensured accuracy of AI training datasets via structured feedback. • Conducted quality checks and validation on annotated data outputs. • Supported quality alignment and guideline compliance for remote teams. • Handled annotation review, edits, and quality scoring via CVAT.

Provided image annotation and labeling services using the CVAT platform for remote AI projects. Reviewed and edited annotator outputs for compliance with quality guidelines and conducted comprehensive QA checks. Participated in calibration sessions and supported distributed task management in a fully remote role. • Ensured accuracy of AI training datasets via structured feedback. • Conducted quality checks and validation on annotated data outputs. • Supported quality alignment and guideline compliance for remote teams. • Handled annotation review, edits, and quality scoring via CVAT.

2020 - 2021

Data Labeler & Quality Control, Digital Divide Data (DDD)

OtherAudioTranscription

Transcribed audio and video content to support AI dataset development with Digital Divide Data. Performed data labeling and annotation across multiple data types for quality control and error identification. Provided feedback to enhance annotation accuracy and data consistency in a WFO environment. • Conducted transcription and error review on audio/video datasets. • Performed multi-type data labeling, annotation, and QA checks. • Supported annotation quality control and provided improvement feedback. • Ensured high accuracy and standard compliance for AI-ready data.

Transcribed audio and video content to support AI dataset development with Digital Divide Data. Performed data labeling and annotation across multiple data types for quality control and error identification. Provided feedback to enhance annotation accuracy and data consistency in a WFO environment. • Conducted transcription and error review on audio/video datasets. • Performed multi-type data labeling, annotation, and QA checks. • Supported annotation quality control and provided improvement feedback. • Ensured high accuracy and standard compliance for AI-ready data.

2019 - 2020

Education

Work History