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Arnold Kiprotich

Arnold Kiprotich

IT Technician

Kenya flagSotik, Kenya
$15.00/hrExpertClickworkerAppenData Annotation Tech

Key Skills

Software

ClickworkerClickworker
AppenAppen
Data Annotation TechData Annotation Tech
Micro1
OneFormaOneForma

Top Subject Matter

Education & Training
Cyber Security and Ethical Hacking
IT Help Desk

Top Data Types

TextText
ImageImage
VideoVideo

Top Task Types

Bounding BoxBounding Box
SegmentationSegmentation
PolygonPolygon
Object DetectionObject Detection
Text GenerationText Generation
Red TeamingRed Teaming
Evaluation/RatingEvaluation/Rating
Computer Programming/CodingComputer Programming/Coding
Data CollectionData Collection

Freelancer Overview

IT Technician. Brings 7+ years of professional experience across complex professional workflows, research, and quality-focused execution. Education includes Diploma in Information and Communication Technology, Sotik Technical Training Institute (2023) and Craft Certificate in Information and Communication Technology, Sotik Technical Training Institute (2021).

ExpertEnglish

Labeling Experience

Content Moderation & Safety Annotation

ImageBounding Box
Performed moderation and labeling of content to identify harmful, misleading, or policy-violating material. Classified data based on predefined categories such as toxicity, spam, and unsafe content. Ensured consistency and compliance with moderation guidelines while maintaining high attention to detail. Flagged ambiguous or borderline cases and applied careful judgment to maintain dataset integrity. Contributed to improving AI safety and reliability by supporting the development of responsible AI systems.

Performed moderation and labeling of content to identify harmful, misleading, or policy-violating material. Classified data based on predefined categories such as toxicity, spam, and unsafe content. Ensured consistency and compliance with moderation guidelines while maintaining high attention to detail. Flagged ambiguous or borderline cases and applied careful judgment to maintain dataset integrity. Contributed to improving AI safety and reliability by supporting the development of responsible AI systems.

2023 - Present

Content Moderation & Safety Annotation

TextText Generation
Performed moderation and labeling of content to identify harmful, misleading, or policy-violating material. Classified data based on predefined categories such as toxicity, spam, and unsafe content. Ensured consistency and compliance with moderation guidelines while maintaining high attention to detail. Flagged ambiguous or borderline cases and applied careful judgment to maintain dataset integrity. Contributed to improving AI safety and reliability by supporting the development of responsible AI systems.

Performed moderation and labeling of content to identify harmful, misleading, or policy-violating material. Classified data based on predefined categories such as toxicity, spam, and unsafe content. Ensured consistency and compliance with moderation guidelines while maintaining high attention to detail. Flagged ambiguous or borderline cases and applied careful judgment to maintain dataset integrity. Contributed to improving AI safety and reliability by supporting the development of responsible AI systems.

2023 - Present

AI Response Evaluation

TextQuestion Answering
Evaluated and ranked AI-generated responses based on accuracy, relevance, coherence, and safety. Compared multiple outputs and selected the most appropriate response using structured evaluation criteria. Provided clear justifications for rankings, identifying strengths, weaknesses, and potential risks such as hallucinations or misleading information. Applied consistent reasoning to ensure fair and objective evaluation across different tasks. Developed strong analytical and critical thinking skills while adhering to strict evaluation guidelines and quality standards.

Evaluated and ranked AI-generated responses based on accuracy, relevance, coherence, and safety. Compared multiple outputs and selected the most appropriate response using structured evaluation criteria. Provided clear justifications for rankings, identifying strengths, weaknesses, and potential risks such as hallucinations or misleading information. Applied consistent reasoning to ensure fair and objective evaluation across different tasks. Developed strong analytical and critical thinking skills while adhering to strict evaluation guidelines and quality standards.

2023 - Present

High-Precision Multimodal Data Annotation for Computer Vision Models

ImageBounding Box
Worked on a data annotation project focused on improving AI model accuracy for security and web-based scenarios. Responsibilities included labeling and classifying image datasets, annotating objects using bounding boxes, and performing content moderation tasks. Ensured high-quality outputs by following strict annotation guidelines and maintaining consistency across datasets. Applied analytical skills to identify edge cases and ambiguous data, improving overall dataset reliability. Collaborated with quality assurance processes by reviewing flagged annotations and correcting inconsistencies. Handled medium to large-scale datasets while maintaining accuracy and efficiency. Emphasized attention to detail and adherence to project-specific standards to support model training and evaluation.

Worked on a data annotation project focused on improving AI model accuracy for security and web-based scenarios. Responsibilities included labeling and classifying image datasets, annotating objects using bounding boxes, and performing content moderation tasks. Ensured high-quality outputs by following strict annotation guidelines and maintaining consistency across datasets. Applied analytical skills to identify edge cases and ambiguous data, improving overall dataset reliability. Collaborated with quality assurance processes by reviewing flagged annotations and correcting inconsistencies. Handled medium to large-scale datasets while maintaining accuracy and efficiency. Emphasized attention to detail and adherence to project-specific standards to support model training and evaluation.

2022 - 2025

Education

S

Sotik Technical Training Institute

Diploma in Information and Communication Technology, Information and Communication Technology

Diploma in Information and Communication Technology
2023 - 2023
S

Sotik Technical Training Institute

Craft Certificate in Information and Communication Technology, Information and Communication Technology

Craft Certificate in Information and Communication Technology
2021 - 2021

Work History

S

Sot Technical Training Institute

IT Technician

Sotik
2023 - Present
C

County Government of Kericho

IT Support Staff

Kericho
2020 - 2020