Geoffrey Muhia

Key Skills

Software

Telus

AWS SageMaker

Appen

Top Subject Matter

No subject matter listed

Top Data Types

Audio

Image

Text

Video

Top Label Types

Classification

Freelancer Overview

I am a detail-oriented Data Validation and Annotation Specialist with hands-on experience in annotating and validating text, image, and audio datasets for AI and machine learning projects. My expertise includes data labeling, quality control, transcription, and rigorous data verification using trusted online sources. I excel at following strict SOPs and annotation guidelines to ensure high accuracy, consistency, and compliance with productivity targets and SLAs. I am proficient with web-based annotation platforms, Google Sheets, Microsoft Excel, and various online research tools. My background spans domains such as POI mapping, transcription, and e-commerce data, and I am skilled at documentation, error detection, and maintaining structured records to support downstream QA and model training teams. I am comfortable working independently in remote environments and always strive to deliver reliable, high-quality training data for AI applications.

Labeling Experience

Transcription & Data Labeling Specialist

Aws SagemakerAudioClassification

At GoTranscript, I transcribed and labeled audio and video content for use in AI and NLP model development. My work involved ensuring the accuracy of transcription data through detailed reviews and corrections. I strictly adhered to style guides, confidentiality standards, and project deadlines. • Transcribed and annotated diverse audio and video data for machine learning. • Reviewed and corrected model training datasets for consistency. • Ensured all data outputs met high quality standards. • Managed confidential information with professionalism and care.

At GoTranscript, I transcribed and labeled audio and video content for use in AI and NLP model development. My work involved ensuring the accuracy of transcription data through detailed reviews and corrections. I strictly adhered to style guides, confidentiality standards, and project deadlines. • Transcribed and annotated diverse audio and video data for machine learning. • Reviewed and corrected model training datasets for consistency. • Ensured all data outputs met high quality standards. • Managed confidential information with professionalism and care.

2025

Data Annotator

TelusTextClassification

As a Data Annotator at TELUS Digital, I validated and labeled text, image, and audio datasets for AI model training and evaluation. I consistently followed detailed SOPs and annotation guidelines to achieve high accuracy and consistency across large-scale datasets. My responsibilities also included conducting quality assurance checks to identify mislabeling and data inconsistencies. • Labeled text, image, and audio data according to project requirements. • Performed rigorous quality checks on annotated datasets. • Documented annotation decisions for QA and training teams. • Maintained productivity while meeting strict SLAs and standards.

As a Data Annotator at TELUS Digital, I validated and labeled text, image, and audio datasets for AI model training and evaluation. I consistently followed detailed SOPs and annotation guidelines to achieve high accuracy and consistency across large-scale datasets. My responsibilities also included conducting quality assurance checks to identify mislabeling and data inconsistencies. • Labeled text, image, and audio data according to project requirements. • Performed rigorous quality checks on annotated datasets. • Documented annotation decisions for QA and training teams. • Maintained productivity while meeting strict SLAs and standards.

2025

Freelance Data Researcher & Validator

AppenTextClassification

As a Freelance Data Researcher & Validator with Appen, I collected and validated structured textual datasets through web-based research. I cross-checked data against multiple sources to ensure high accuracy and completeness. I was responsible for cleaning, formatting, and documenting data according to project specifications. • Conducted online research to gather structured data for model training. • Validated and cleaned datasets to meet annotation project needs. • Documented validation decisions and provided detailed notes. • Ensured final datasets fulfilled all client requirements.

As a Freelance Data Researcher & Validator with Appen, I collected and validated structured textual datasets through web-based research. I cross-checked data against multiple sources to ensure high accuracy and completeness. I was responsible for cleaning, formatting, and documenting data according to project specifications. • Conducted online research to gather structured data for model training. • Validated and cleaned datasets to meet annotation project needs. • Documented validation decisions and provided detailed notes. • Ensured final datasets fulfilled all client requirements.

2024 - 2025

Education

Work History