Joyce N.

Key Skills

Software

Micro1

Other

Top Subject Matter

LLM training data

prompt engineering

response evaluation

Top Data Types

Text

Audio

Document

Top Task Types

Prompt + Response Writing (SFT)

RLHF

Transcription

Entity (NER) Classification

Freelancer Overview

Freelance AI Trainer & Prompt Specialist (Ongoing). Brings 1+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Twine, Outlier, and Micro1. Education includes Bachelor of Business Information Technology, Kirinyaga University (2028). AI-training focus includes data types such as Text and Audio and labeling workflows including Prompt + Response Writing (SFT), Translation, and Localization.

Labeling Experience

Language Expert and Transcriber - Localization & Data Services

AudioTranscription

Localization & Data Services is where she worked as a language expert and transcriber for multilingual datasets. She transcribed, translated, and reviewed Gikuyu and Swahili content for machine learning readiness and linguistic quality. The role demanded fluent language skills, transcription accuracy, and quality assurance practices for localized audio and transcripts. • Transcribed and translated Gikuyu and Swahili datasets • Evaluated linguistic consistency for ML applications • Performed quality assurance on localized audio outputs • Validated transcripts for accuracy and language nuance.

2026 - Present

Freelance AI Prompt Specialist - Twine

TextRLHFTranscription

Twine is where she worked as a freelance prompt and AI output specialist, focusing on building effective prompts and validating generated responses. She was responsible for ensuring factual accuracy, structural alignment, and linguistic nuance in outputs intended for evaluation. The role required strong attention to detail, prompt engineering knowledge, and an understanding of how language model outputs can be assessed. • Crafted and iterated prompts to elicit reliable model behavior • Evaluated responses for factual accuracy and structure • Applied reinforcement learning from human feedback concepts • Ensured linguistic quality and clarity in final outputs.

2026 - Present

Language Expert & Transcriber (Ongoing)

OtherAudio

Transcribed and translated Gikuyu and Swahili datasets for machine learning and localization use cases. Conducted linguistic evaluation and quality assurance for localized audio outputs. Validated transcriptions for accuracy and consistency to support downstream model training. • Transcribed multilingual audio into text for dataset creation. • Translated between English/Swahili/Gikuyu for ML-ready annotations. • Performed linguistic QA and validation checks. • Supported localization datasets intended for ML applications.

2026 - Present

Freelance AI Trainer & Prompt Specialist (Ongoing)

TextPrompt + Response Writing (SFT)

Engineered high-quality prompts and evaluated AI-generated outputs for factual accuracy and structural alignment. Performed reinforcement learning from human feedback (RLHF) to help fine-tune large language models. Produced training-quality prompt/response data with attention to linguistic nuance and instruction-following. • Built and iterated prompt sets for LLM behavior. • Rated outputs using evaluation criteria for quality and correctness. • Applied RLHF workflows to improve model responses. • Worked on platforms including Twine, Outlier, and Micro1.

2026 - Present

Education

Work History