Mwenje Nia

Key Skills

Software

Label Studio

Top Subject Matter

General AI/ML

Speech Recognition

Top Data Types

Text

Audio

Image

Top Task Types

Classification

Transcription

Freelancer Overview

Freelance Data Annotator & Transcriptionist. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Label Studio and Express Scribe. Education includes Bachelor of Science, Maseno University (2019). AI-training focus includes data types such as Text and Audio and labeling workflows including Classification and Transcription.

Labeling Experience

Freelance Data Annotator & Transcriptionist

AudioTranscription

In my freelance capacity, I transcribed and cleaned audio datasets to train AI speech recognition models. I ensured high transcription accuracy and followed detailed formatting requirements. My work supported data-driven improvement for machine learning systems. • Transcribed diverse audio sources for AI use • Cleaned and standardized audio transcripts • Performed manual quality checks and corrections • Utilized transcription tools for workflow efficiency

In my freelance capacity, I transcribed and cleaned audio datasets to train AI speech recognition models. I ensured high transcription accuracy and followed detailed formatting requirements. My work supported data-driven improvement for machine learning systems. • Transcribed diverse audio sources for AI use • Cleaned and standardized audio transcripts • Performed manual quality checks and corrections • Utilized transcription tools for workflow efficiency

2023 - Present

Freelance Data Annotator & Transcriptionist

Label StudioTextClassification

As a Freelance Data Annotator & Transcriptionist, I labeled and annotated text datasets for AI training. I followed complex annotation guidelines to ensure accuracy and supported improvement in machine learning model performance. My responsibilities included quality review and meticulous data validation. • Tagged and categorized text data for AI models • Reviewed labeled data for consistency and correctness • Applied annotation guidelines and project instructions rigorously • Managed remote work and met project deadlines

As a Freelance Data Annotator & Transcriptionist, I labeled and annotated text datasets for AI training. I followed complex annotation guidelines to ensure accuracy and supported improvement in machine learning model performance. My responsibilities included quality review and meticulous data validation. • Tagged and categorized text data for AI models • Reviewed labeled data for consistency and correctness • Applied annotation guidelines and project instructions rigorously • Managed remote work and met project deadlines

2023 - Present

Education

Work History