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J
Joseph K.

Joseph K.

Expert in annotation(traffic data) & search engine output evaluation

Kenya flagNairobi, Kenya

Key Skills

Software

ClickworkerClickworker
TelusTelus
Other
MercorMercor

Top Subject Matter

General AI/Computer Vision
General AI/NLP/Computer Vision
General AI/Computer Vision/NLP

Top Data Types

ImageImage
TextText
DocumentDocument

Top Task Types

ClassificationClassification
Object DetectionObject Detection
PolygonPolygon
Text GenerationText Generation

Freelancer Overview

Generalist AI Trainer (Freelance) | Handshake. Brings 2+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Other, Mercor, and Clickworker. Education includes Certificate, SMBU (2026) and Certificate, edX (2025). AI-training focus includes data types such as Image and labeling workflows including Classification.

Labeling Experience

Generalist AI Trainer (Freelance) | Handshake

OtherImageImageClassificationClassification

As a Generalist AI Trainer at Handshake, I labelled and tagged images with precision to support machine learning model development. I adapted to annotation tool changes and ensured dataset quality through rigorous and systematic checks. My work contributed to prompt model iteration and consistent project delivery. • Image tagging and labelling to facilitate computer vision model training. • Quality assurance performed on datasets via systematic review. • Adaptation to new annotation tools and project requirements. • Delivered accurate results under tight deadlines.

2026 - Present
Mercor

General AI Trainer (Freelance) | Mercor Platform – Project Musen

MercorMercorImageImageClassificationClassification

As a General AI Trainer for Mercor Platform—Project Musen, I conducted detailed image and video annotation tasks. I curated high-quality training datasets and performed accuracy ranking to enhance data interpretation. I demonstrated strong attention to detail and precise instruction following in the execution of all labeling tasks. • Annotated both images and videos for training and validation. • Curated diverse content to maintain dataset quality. • Conducted ranking tasks to improve AI data accuracy. • Adapted efficiently to updated project guidelines and requirements.

2025 - Present
Clickworker

Community Moderator & Data Annotator | UHRS Services via Clickworkers GmbH (Remote)

ClickworkerClickworkerImageImageClassificationClassification

As a Data Annotator at UHRS Services via Clickworkers, I performed comprehensive image and text labelling to train AI models. I reviewed and moderated user-generated content ensuring compliance with data quality standards. My tasks enhanced overall dataset accuracy for downstream AI systems. • Implemented labelling of both images and text for machine learning. • Helped moderate and filter content for community compliance. • Maintained high accuracy through guideline adherence. • Supported feedback integration for continuous dataset refinement.

2023 - 2025
Telus

Data Annotator | TELUS International

TelusTelusImageImageClassificationClassification

As a Data Annotator at TELUS International, I tagged images and labelled data to improve machine learning models. I precisely followed annotation guidelines for consistency and accuracy. Text classification techniques were applied to categorize content, supporting AI training objectives. • Tagged and classified images for model efficiency. • Reviewed and interpreted labeling instructions for quality. • Utilized text classification methods for content analysis. • Supported high-quality dataset preparation for AI applications.

2023 - 2023

Education

E

edX

Certificate, Prompt Engineering

Certificate
2025 - 2025
J

Jomo Kenyatta University of Agriculture and Technology

Bachelor of Pharmacy, Pharmacy

Bachelor of Pharmacy
2016 - 2022

Work History

T

Thika Level 5 Hospital

Staff Pharmacist

Thika
2024 - 2024
B

BENMED Pharmaceutical

Pharmacy Assistant

Thika
2023 - 2024