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Bahati Sibone

Bahati Sibone

AI Data Annotator / Transcription Specialist

Tanzania flagArusha, Tanzania
$10.00/hrExpertOther

Key Skills

Software

Other

Top Subject Matter

Language Datasets
AI Language Model Outputs
Conversational AI and NLP

Top Data Types

AudioAudio
TextText
DocumentDocument

Top Task Types

Transcription
Classification

Freelancer Overview

AI Data Annotator / Transcription Specialist. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, Arusha Technical College (2022). AI-training focus includes data types such as Audio and Text and labeling workflows including Transcription, Evaluation, and Rating.

ExpertEnglishSwahili

Labeling Experience

AI Data Annotator / Transcription Specialist

OtherAudioTranscription
In this freelance AI data annotation role, I transcribed and reviewed audio recordings into precise written text, ensuring an accuracy rate above 98%. I annotated and labeled language data to enrich datasets for large language models, improving overall data quality and consistency. Responsibilities included quality assurance checks and the application of strict transcription guidelines for standardization across projects. • Managed multiple transcription tasks and met tight deadlines • Collaborated remotely with distributed teams to improve dataset quality • Ensured grammatical, punctuation, and contextual accuracy in language data • Improved language dataset standardization for machine learning models

In this freelance AI data annotation role, I transcribed and reviewed audio recordings into precise written text, ensuring an accuracy rate above 98%. I annotated and labeled language data to enrich datasets for large language models, improving overall data quality and consistency. Responsibilities included quality assurance checks and the application of strict transcription guidelines for standardization across projects. • Managed multiple transcription tasks and met tight deadlines • Collaborated remotely with distributed teams to improve dataset quality • Ensured grammatical, punctuation, and contextual accuracy in language data • Improved language dataset standardization for machine learning models

2024 - Present

AI Quality Analyst / Language Data Reviewer

OtherText
As a freelance AI Quality Analyst and Language Data Reviewer, I evaluated AI-generated language outputs and responses for accuracy, clarity, and contextual relevance. I reviewed and corrected language datasets to improve AI model training reliability. Error identification and recommendations were provided to enhance dataset quality for machine learning applications. • Demonstrated attention to detail in large-scale language data reviews • Corrected errors in transcription, grammar, and semantics • Recommended improvements to dataset refinement processes • Ensured the consistency and reliability of language training data

As a freelance AI Quality Analyst and Language Data Reviewer, I evaluated AI-generated language outputs and responses for accuracy, clarity, and contextual relevance. I reviewed and corrected language datasets to improve AI model training reliability. Error identification and recommendations were provided to enhance dataset quality for machine learning applications. • Demonstrated attention to detail in large-scale language data reviews • Corrected errors in transcription, grammar, and semantics • Recommended improvements to dataset refinement processes • Ensured the consistency and reliability of language training data

2023 - 2024

Data Annotation Specialist (AI Training Data Projects)

OtherTextClassification
In the role of Data Annotation Specialist for AI training data projects, I annotated text and speech datasets for machine learning and NLP applications. I contributed to preparing high-quality training data for use in conversational AI systems. Adherence to project guidelines and maintenance of labeling standards ensured dataset integrity and productivity benchmarks. • Labeled data for machine learning and NLP projects • Maintained compliance with project quality standards • Supported high productivity in annotation tasks • Assisted in the preparation of training data for conversational AI

In the role of Data Annotation Specialist for AI training data projects, I annotated text and speech datasets for machine learning and NLP applications. I contributed to preparing high-quality training data for use in conversational AI systems. Adherence to project guidelines and maintenance of labeling standards ensured dataset integrity and productivity benchmarks. • Labeled data for machine learning and NLP projects • Maintained compliance with project quality standards • Supported high productivity in annotation tasks • Assisted in the preparation of training data for conversational AI

2022 - 2023

Education

A

Arusha Technical College

Bachelor of Science, Computer Science

Bachelor of Science
2022 - 2022

Work History

R

Remote)

AI Data Annotator / Transcription Specialist (Freelance

Arusha
2024 - Present
R

Remote)

AI Quality Analyst / Language Data Reviewer (Freelance

Arusha
2023 - 2024