Vivian Ndung'U

Key Skills

Software

Other

SuperAnnotate

Mindrift

Telus

Appen

Clickworker

Top Subject Matter

Large Language Model (LLM) Data Annotation

Prompt Engineering

AI Text Data Training

Top Data Types

Text

Document

Top Task Types

Prompt + Response Writing (SFT)

RLHF

Freelancer Overview

Business Analyst - Apps | Data Annotator. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other, SuperAnnotate, and Mindrift. Education includes Bachelor of Science, Strathmore University (2029) and Diploma of Education, The Nairobi National Polytechnic (2024). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Prompt + Response Writing (SFT).

Labeling Experience

Quality Assurance Specialist | Creative Writing Data Trainer

SuperannotateTextPrompt Response Writing SFT

As a Quality Assurance Specialist and Creative Writing Data Trainer, I developed prompts and optimized content for AI training. I assessed and edited AI outputs for relevance and accuracy, ensuring compliant and secure datasets. I reviewed AI models for bias and maintained rigorous documentation quality. • Developed and reviewed complex written content. • Conducted prompt optimization for effective training. • Assessed AI output for demographic relevance and quality. • Maintained documentation and training standards.

As a Quality Assurance Specialist and Creative Writing Data Trainer, I developed prompts and optimized content for AI training. I assessed and edited AI outputs for relevance and accuracy, ensuring compliant and secure datasets. I reviewed AI models for bias and maintained rigorous documentation quality. • Developed and reviewed complex written content. • Conducted prompt optimization for effective training. • Assessed AI output for demographic relevance and quality. • Maintained documentation and training standards.

2025 - 2025

Business Analyst - Apps | Data Annotator

OtherText

As a Data Annotator, I evaluated language model data to improve AI response accuracy. I interpreted prompts and annotated complex datasets for reliable training material and provided feedback to developers. My work contributed to algorithmic enhancements and feature improvements within analytical frameworks. • Annotated text-based prompts and AI-generated responses. • Delivered insights for AI algorithm refinement. • Collaborated across teams for effective training set creation. • Ensured quality control and adherence to standards.

As a Data Annotator, I evaluated language model data to improve AI response accuracy. I interpreted prompts and annotated complex datasets for reliable training material and provided feedback to developers. My work contributed to algorithmic enhancements and feature improvements within analytical frameworks. • Annotated text-based prompts and AI-generated responses. • Delivered insights for AI algorithm refinement. • Collaborated across teams for effective training set creation. • Ensured quality control and adherence to standards.

2025 - 2025

AI Trainer

MindriftTextPrompt Response Writing SFT

As an AI Trainer, I created a large library of conversational scenarios for AI model training. I wrote well-researched responses to prompts and benchmarked performance against competing models. Fact-checking and iterative improvements ensured clarity and credibility in model outputs. • Authored conversation scenarios for AI improvement. • Performed comparative model evaluations. • Fact-checked AI-generated information. • Enhanced model subject coverage and response quality.

As an AI Trainer, I created a large library of conversational scenarios for AI model training. I wrote well-researched responses to prompts and benchmarked performance against competing models. Fact-checking and iterative improvements ensured clarity and credibility in model outputs. • Authored conversation scenarios for AI improvement. • Performed comparative model evaluations. • Fact-checked AI-generated information. • Enhanced model subject coverage and response quality.

2024 - 2025

Advanced AI Data Trainer

TextRLHF

As an Advanced AI Data Trainer, I generated tailored datasets for language model training and evaluation. I reviewed AI responses for clarity, developed annotation guidelines, and identified common error patterns for model adjustment. Detailed process documentation was maintained for ongoing team use. • Generated training and evaluation datasets. • Reviewed and labeled AI model responses. • Developed annotation guidelines for consistency. • Documented training processes for knowledge transfer.

As an Advanced AI Data Trainer, I generated tailored datasets for language model training and evaluation. I reviewed AI responses for clarity, developed annotation guidelines, and identified common error patterns for model adjustment. Detailed process documentation was maintained for ongoing team use. • Generated training and evaluation datasets. • Reviewed and labeled AI model responses. • Developed annotation guidelines for consistency. • Documented training processes for knowledge transfer.

2023 - 2024

AI Moderator | AI Content Writer | QA Editor (Google)

Text

In roles as an AI Moderator, Content Writer, and QA Editor, I reviewed AI-generated text for adherence to community standards. I performed quality checks, flagged unsuitable content, and refined moderation processes. My analysis supported content optimization and informed detailed improvement recommendations. • Moderated AI text for community safety. • Conducted quality assurance on generated content. • Provided process improvement suggestions. • Drafted recommendations for content accuracy.

In roles as an AI Moderator, Content Writer, and QA Editor, I reviewed AI-generated text for adherence to community standards. I performed quality checks, flagged unsuitable content, and refined moderation processes. My analysis supported content optimization and informed detailed improvement recommendations. • Moderated AI text for community safety. • Conducted quality assurance on generated content. • Provided process improvement suggestions. • Drafted recommendations for content accuracy.

2023 - 2024

Show more

Education

Work History