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Samuel K.

Samuel K.

Junior AI Developer, Alphatec Communications (August 2021 – May 2023)

Kenya flagNairobi, Kenya

Key Skills

Software

AppenAppen
ClickworkerClickworker

Top Subject Matter

Natural Language Processing (NLP) and prompt engineering
LLM prompting
Evaluation Domain Expertise

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Text GenerationText Generation
Computer Programming/CodingComputer Programming/Coding

Freelancer Overview

Junior AI Developer, Alphatec Communications (August 2021 – May 2023). Brings 6+ 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, University of Murang’a (2021) and Natural Language Processing Certificate, N/A (2023). AI-training focus includes data types such as Text and labeling workflows including Prompt + Response Writing (SFT).

Labeling Experience

AI Prompt Engineer, Alphatec Communications (June 2023 – Present)

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

Designed and refined AI prompts to improve system accuracy and user experience for prompt-driven workflows. Developed reusable prompt frameworks for multiple industry use cases, supporting scalable deployment of consistent AI behavior. Performed performance testing, analyzed feedback and analytics, and iterated prompts to improve quality. • Designed and refined prompts to improve accuracy and UX. • Developed prompt frameworks for diverse industry scenarios. • Conducted performance testing and iterative improvements. • Used feedback and analytics to optimize prompt performance.

2023 - Present

Junior AI Developer, Alphatec Communications (August 2021 – May 2023)

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

Supported development of NLP systems by researching and applying prompt engineering best practices to improve model behavior for enterprise use cases. Focused on translating prompt design knowledge into workflows that enable consistent AI interactions and downstream evaluation. Assisted with integration efforts to ensure prompt-driven outputs align with client requirements. • Conducted research on prompt engineering best practices. • Assisted in developing natural language processing systems. • Supported integration of AI solutions into client workflows. • Helped maintain consistency of prompt-based behavior for enterprise applications.

2021 - 2023

Education

N

N/A

Natural Language Processing Certificate, Computer Science

Natural Language Processing Certificate
2023 - 2023
N

N/A

AI Fundamentals Certificate, Artificial Intelligence

AI Fundamentals Certificate
2022 - 2022

Work History

A

Alphatec Communications

AI Prompt Engineer

Nairobi
2023 - Present
A

Alphatec Communications

Junior AI Developer

Nairobi
2021 - 2023