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S
Shadrack S.

Shadrack S.

AI Data Annotator | AI Response Evaluator | Software Engineer

Kenya flagNairobi, Kenya

Key Skills

Software

Scale AIScale AI
SamaSama
AWS SageMakerAWS SageMaker
Label StudioLabel Studio
LightTagLightTag
Mighty AIMighty AI
OneFormaOneForma
OpenCV AI Kit (OAK)OpenCV AI Kit (OAK)
Surge AISurge AI
LabelboxLabelbox
Img Lab

Top Subject Matter

Information Technology & Software Engineering
Artificial Intelligence & Machine Learning
Business & Technology

Top Data Types

TextText
Computer Code ProgrammingComputer Code Programming
ImageImage

Top Task Types

Computer Programming/CodingComputer Programming/Coding
Data CollectionData Collection
Function CallingFunction Calling
RLHFRLHF
Text GenerationText Generation
SegmentationSegmentation
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)

Freelancer Overview

I am a Software Engineer with experience working on data annotation, data quality assurance, and AI training-related tasks. My background includes analyzing datasets, labeling and validating training data, evaluating AI-generated outputs, and ensuring data accuracy for machine learning applications. I have strong attention to detail, excellent analytical skills, and experience following detailed annotation guidelines to maintain high-quality datasets. In addition to my technical expertise, I am proficient in working with structured and unstructured data, conducting quality reviews, identifying inconsistencies, and providing feedback to improve AI model performance. My software engineering background enables me to understand data workflows, automation processes, and the technical requirements of machine learning systems, allowing me to contribute effectively to AI training and data annotation projects.

Labeling Experience

AI Response Evaluation and Data Annotation Specialist

TextTextClassificationClassification

Worked on AI training and data annotation projects involving the evaluation, classification, and quality assessment of AI-generated responses. Responsibilities included reviewing model outputs for accuracy, relevance, factual consistency, safety, and instruction adherence. Applied detailed annotation guidelines to categorize responses, identify errors, and provide feedback that contributed to model improvement. Annotated and reviewed thousands of text samples across multiple domains, including technology, education, business, and general knowledge. Maintained high-quality standards through regular quality assurance checks, consistency reviews, and adherence to project-specific metrics. Demonstrated strong analytical skills, attention to detail, and the ability to handle complex annotation tasks while meeting productivity targets and deadlines.

2024 - 2026

Education

P

Power Learn Project

Certificate in Web Development , Web Development

Certificate in Web Development
2021 - 2022
M

Microverse

Full-Stack Web Development Certificate, Full-Stack Web Development

Full-Stack Web Development Certificate
2020 - 2021

Work History

W

Whatsnxt Global

Full-Stack Software Developer

Johannesburg
2024 - 2026