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Keen Ombasa

Keen Ombasa

Content Writer - Digital Media

KENYA flag
Nakuru, Kenya
$10.00/hrIntermediateData Annotation Tech

Key Skills

Software

Data Annotation TechData Annotation Tech

Top Subject Matter

No subject matter listed

Top Data Types

TextText

Top Label Types

Text Generation

Freelancer Overview

I am a detail-oriented literature graduate with strong expertise in content creation, research, and critical analysis, experienced in producing accurate, high-quality written material and ensuring error-free publication through meticulous editing. With a proven ability to manage detail-driven projects and apply analytical rigor, I am well-equipped to review, annotate, and categorize data for AI training initiatives, particularly in natural language processing and content analysis.

IntermediateEnglishSwahili

Labeling Experience

Data Annotation Tech

Prompt Generation and Evaluation

Data Annotation TechTextText Generation
I was responsible for designing, testing, and refining prompts for a large language model to improve response accuracy, contextual relevance, and task compliance across diverse use cases. The project scope covered natural language understanding and generation tasks, including summarization, classification, question answering, reasoning, and instruction-following. My role involved collaborating with data scientists and model trainers to iteratively enhance prompt performance, reduce ambiguity, and align outputs with defined evaluation benchmarks. I was responsible for performing structured data labeling tasks that supported supervised fine-tuning and reinforcement learning workflows. This included annotating model outputs for factual accuracy, coherence, tone alignment, safety compliance, and instruction adherence. I also categorized error types (e.g., hallucinations, logical inconsistencies, formatting failures), ranked multiple model responses based on quality criteria, and created g

I was responsible for designing, testing, and refining prompts for a large language model to improve response accuracy, contextual relevance, and task compliance across diverse use cases. The project scope covered natural language understanding and generation tasks, including summarization, classification, question answering, reasoning, and instruction-following. My role involved collaborating with data scientists and model trainers to iteratively enhance prompt performance, reduce ambiguity, and align outputs with defined evaluation benchmarks. I was responsible for performing structured data labeling tasks that supported supervised fine-tuning and reinforcement learning workflows. This included annotating model outputs for factual accuracy, coherence, tone alignment, safety compliance, and instruction adherence. I also categorized error types (e.g., hallucinations, logical inconsistencies, formatting failures), ranked multiple model responses based on quality criteria, and created g

2024 - 2025

Education

E

Egerton University

Bachelor of Arts, English Literature

Bachelor of Arts
2018 - 2022

Work History

N

N/A

Content Writer

Nakuru
2023 - Present
N

N/A

Library Assistant

Nakuru
2023 - 2023