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C

Callum Onyancha

AI Prompt Engineer and LLM Workflow Automation

Kenya flagNairobi, Kenya
$15.00/hrExpertAxiom AIAppenClickworker

Key Skills

Software

Axiom AI
AppenAppen
ClickworkerClickworker
Snorkel AISnorkel AI

Top Subject Matter

AI workflow automation and LLM prompt engineering

Top Data Types

TextText
VideoVideo
DocumentDocument

Top Task Types

Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)

Freelancer Overview

AI Prompt Engineer and LLM Workflow Automation. Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Science, Jomo Kenyatta University of Agriculture and Technology (2023). AI-training focus includes data types such as Text and labeling workflows including Prompt + Response Writing (SFT).

ExpertEnglish

Labeling Experience

AI Prompt Engineer and LLM Workflow Automation

TextPrompt Response Writing SFT
I designed and improved prompt systems for large language models to generate consistent and high-quality outputs. My work included structuring data inputs and testing AI workflows for accuracy and reliability. I applied logic and corrections to responses to ensure data quality for model training. • Developed structured inputs to reduce errors in AI-generated text • Iteratively refined prompts for content generation and summarization tasks • Evaluated model outputs to identify hallucinations and bias • Applied feedback-driven improvements to AI workflow pipelines.

I designed and improved prompt systems for large language models to generate consistent and high-quality outputs. My work included structuring data inputs and testing AI workflows for accuracy and reliability. I applied logic and corrections to responses to ensure data quality for model training. • Developed structured inputs to reduce errors in AI-generated text • Iteratively refined prompts for content generation and summarization tasks • Evaluated model outputs to identify hallucinations and bias • Applied feedback-driven improvements to AI workflow pipelines.

2019 - 2023

Education

J

Jomo Kenyatta University of Agriculture and Technology

Bachelor of Science, Computer Science

Bachelor of Science
2019 - 2025

Work History

S

Self-Employed

AI Workflow and Automation Engineer

Nairobi
2020 - 2024