Nicholus Muusya

Key Skills

Software

Other

Appen

Axiom AI

Clickworker

Deep Systems

Figure Eight

Google Cloud Vertex AI

LabelImg

Labelbox

Label Studio

Mercor

Top Subject Matter

Natural Language Processing

Conversational AI

Computer Vision

Top Data Types

Text

Image

Audio

Document

Top Task Types

Prompt Response Writing SFT

Bounding Box

Transcription

Entity Ner Classification

Freelancer Overview

Prompt Writer & AI Trainer (Freelance). Core strengths include Other and CVAT. Education includes Bachelor of Arts, University of Nairobi (2019) and Bachelor of Science, Chuka University (2021). AI-training focus includes data types such as Text, Image, and Audio and labeling workflows including Prompt + Response Writing (SFT), Bounding Box, and Transcription.

Labeling Experience

Multimodal AI Dataset Creation & Annotation for NLP and Computer Vision

AudioEntity Ner Classification

Developed and annotated high-quality datasets across text, image, and audio modalities for AI model training. Designed prompt-response pairs for supervised fine-tuning (SFT) to improve conversational AI performance. Labeled image datasets using bounding boxes and segmentation techniques for object detection tasks. Transcribed and annotated audio data for speech recognition and classification models. Performed Named Entity Recognition (NER) and text classification for NLP systems. Conducted quality assurance to ensure consistency, accuracy, and adherence to annotation guidelines. Contributed to improving model performance by providing structured feedback and error analysis.

Developed and annotated high-quality datasets across text, image, and audio modalities for AI model training. Designed prompt-response pairs for supervised fine-tuning (SFT) to improve conversational AI performance. Labeled image datasets using bounding boxes and segmentation techniques for object detection tasks. Transcribed and annotated audio data for speech recognition and classification models. Performed Named Entity Recognition (NER) and text classification for NLP systems. Conducted quality assurance to ensure consistency, accuracy, and adherence to annotation guidelines. Contributed to improving model performance by providing structured feedback and error analysis.

2024 - 2026

Prompt Writer & AI Trainer (Freelance)

OtherTextPrompt Response Writing SFT

As a Prompt Writer & AI Trainer, I designed and optimized prompts to test and improve AI model responses. I developed conversational datasets and generated structured data for AI training pipelines. My work improved AI output quality through detailed feedback and diverse data inputs. • Created and refined prompts to enhance chatbot and AI system performance. • Generated high-quality, diverse conversational datasets for supervised fine-tuning. • Provided thorough model feedback to improve language understanding and reduce bias. • Worked independently to meet project deadlines and deliver results.

As a Prompt Writer & AI Trainer, I designed and optimized prompts to test and improve AI model responses. I developed conversational datasets and generated structured data for AI training pipelines. My work improved AI output quality through detailed feedback and diverse data inputs. • Created and refined prompts to enhance chatbot and AI system performance. • Generated high-quality, diverse conversational datasets for supervised fine-tuning. • Provided thorough model feedback to improve language understanding and reduce bias. • Worked independently to meet project deadlines and deliver results.

2024 - 2026

AI Data Annotator (Freelance / Remote)

CVATVideoClassification

As an AI Data Annotator, I labeled images for machine learning models using bounding boxes, segmentation, and tagging techniques. I ensured high accuracy and consistency by strictly following annotation guidelines and conducting quality checks. My contributions supported a high standard of data quality for model improvement. • Labeled large image datasets for computer vision tasks. • Used bounding boxes, segmentation, and image tagging methods. • Maintained over 95% annotation accuracy across projects. • Conducted quality assurance and corrected annotation errors.

As an AI Data Annotator, I labeled images for machine learning models using bounding boxes, segmentation, and tagging techniques. I ensured high accuracy and consistency by strictly following annotation guidelines and conducting quality checks. My contributions supported a high standard of data quality for model improvement. • Labeled large image datasets for computer vision tasks. • Used bounding boxes, segmentation, and image tagging methods. • Maintained over 95% annotation accuracy across projects. • Conducted quality assurance and corrected annotation errors.

2022 - 2023

AI Data Annotator (Freelance / Remote)

OtherAudioEvaluation Rating

As an AI Data Annotator, I transcribed and labeled audio datasets to train and improve machine learning models. My responsibilities included ensuring accuracy and consistency through careful listening and adherence to strict annotation standards. I also participated in quality checks and corrections to maintain dataset integrity. • Transcribed audio recordings for voice recognition and classification tasks. • Applied labeling standards to ensure accurate dataset creation. • Performed quality assurance on annotated audio data. • Helped improve model performance with reliable annotations.

As an AI Data Annotator, I transcribed and labeled audio datasets to train and improve machine learning models. My responsibilities included ensuring accuracy and consistency through careful listening and adherence to strict annotation standards. I also participated in quality checks and corrections to maintain dataset integrity. • Transcribed audio recordings for voice recognition and classification tasks. • Applied labeling standards to ensure accurate dataset creation. • Performed quality assurance on annotated audio data. • Helped improve model performance with reliable annotations.

2021 - 2022

AI Data Annotator (Freelance / Remote)

OtherImageObject Detection

In my role as an AI Data Annotator, I performed text classification, sentiment analysis, and entity recognition. My work involved labeling large text datasets to help train models for natural language processing tasks. I ensured all annotations adhered to quality and consistency guidelines. • Labeled text data for entity recognition (NER) and sentiment analysis tasks. • Classified textual content to support NLP models. • Conducted quality checks for annotation accuracy. • Helped maintain project standards with diligent documentation.

In my role as an AI Data Annotator, I performed text classification, sentiment analysis, and entity recognition. My work involved labeling large text datasets to help train models for natural language processing tasks. I ensured all annotations adhered to quality and consistency guidelines. • Labeled text data for entity recognition (NER) and sentiment analysis tasks. • Classified textual content to support NLP models. • Conducted quality checks for annotation accuracy. • Helped maintain project standards with diligent documentation.

2020 - 2021

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Education

Work History