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Samuel K.

Junior AI Developer — Alphatec Communications

Kenya flagN/A, Kenya

Key Skills

Software

Other
ClickworkerClickworker
Data Annotation TechData Annotation Tech

Top Subject Matter

Natural Language Processing / Enterprise AI
LLM Prompt Engineering / AI Training Support

Top Data Types

TextText
ImageImage
VideoVideo

Top Task Types

Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Text GenerationText Generation

Freelancer Overview

Junior AI Developer — Alphatec Communications. Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, University of Murang’a (2021) and AI Fundamentals Certificate, N/A (2022). AI-training focus includes data types such as Text and labeling workflows including Prompt + Response Writing (SFT) and Text Generation.

Labeling Experience

AI Prompt Engineer — Alphatec Communications

OtherTextTextText GenerationText Generation

Designed and refined AI prompts to improve system accuracy and user experience. Developed prompt frameworks for multiple industry use cases and iterated based on feedback and analytics. Conducted performance testing to validate prompt effectiveness, supporting higher-quality model outputs for training and evaluation purposes. • Improved LLM behavior through prompt refinement • Built reusable prompt frameworks across industries • Performed performance testing and iterative optimization • Used feedback and analytics to guide prompt updates.

2023 - Present

Junior AI Developer — Alphatec Communications

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

Contributed to natural language processing development by supporting prompt engineering practices for enterprise AI systems. Assisted with research to improve how prompts are structured to elicit the desired model behavior. Helped enable AI solution integration steps that support downstream training and evaluation workflows. • Worked on prompt engineering best-practice research • Supported integration of AI solutions into client workflows • Assisted with developing NLP components for enterprise use cases • Contributed to improving model readiness through prompt-related experimentation.

2021 - 2023

Education

N

N/A

Natural Language Processing Certificate, Natural Language Processing

Natural Language Processing Certificate
2023 - 2023
N

N/A

AI Fundamentals Certificate, Artificial Intelligence Ethics

AI Fundamentals Certificate
2022 - 2022

Work History

A

Alphatec Communications

AI Prompt Engineer

N/A
2023 - Present
A

Alphatec Communications

Junior AI Developer

N/A
2021 - 2023