Hilary Nyamu

Key Skills

Software

Other

Lionbridge

Top Subject Matter

Swahili Language Audio for AI Training

Swahili Language Audio Data Annotation

English-to-Swahili Language Data for AI/ML Training

Top Data Types

Audio

Text

Video

Top Task Types

Segmentation

Transcription

Freelancer Overview

Team Lead – Audio Segmentation & Annotation (AI Training). Brings 10+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Lionbridge, Internal, and Proprietary Tooling. Education includes Certified Public Accountant, KCA University. AI-training focus includes data types such as Audio and Text and labeling workflows including Segmentation, Translation, and Localization.

Labeling Experience

Team Lead – Audio Segmentation & Annotation (AI Training)

LionbridgeAudioSegmentation

Oversaw annotation and segmentation of Swahili audio files for AI training purposes. Led proofreading and feedback cycles to guarantee accuracy of segmented content. Coordinated and supervised a team to deliver high-quality labeled audio datasets on deadline. • Managed on-time delivery of segmented and annotated audio. • Ensured transcription and segmentation met client requirements. • Provided hands-on quality assurance feedback for training datasets. • Trained annotators in proper segmentation and annotation practices.

Oversaw annotation and segmentation of Swahili audio files for AI training purposes. Led proofreading and feedback cycles to guarantee accuracy of segmented content. Coordinated and supervised a team to deliver high-quality labeled audio datasets on deadline. • Managed on-time delivery of segmented and annotated audio. • Ensured transcription and segmentation met client requirements. • Provided hands-on quality assurance feedback for training datasets. • Trained annotators in proper segmentation and annotation practices.

2024 - Present

Freelance Transcriptionist & Captions Editor – Speech Data Annotation (ML)

OtherAudioTranscription

Transcribed and annotated English and Swahili audio and video files for machine learning dataset preparation. Produced closed captions and conducted quality assurance reviews to ensure accurate and high-quality data labels. Edited automated transcription outputs to enhance the training data for ASR (Automatic Speech Recognition) models. • Generated and QA-checked audio transcriptions for ML models. • Created and reviewed captions for timing and clarity. • Edited drafts from ASR technologies for data improvement. • Delivered error-free labeled speech datasets for language AI.

Transcribed and annotated English and Swahili audio and video files for machine learning dataset preparation. Produced closed captions and conducted quality assurance reviews to ensure accurate and high-quality data labels. Edited automated transcription outputs to enhance the training data for ASR (Automatic Speech Recognition) models. • Generated and QA-checked audio transcriptions for ML models. • Created and reviewed captions for timing and clarity. • Edited drafts from ASR technologies for data improvement. • Delivered error-free labeled speech datasets for language AI.

2017 - Present

Freelance Swahili Translator – Data Annotation (AI/ML)

LionbridgeText

Translated English social media posts and religious content into Swahili language for AI and ML training. Worked independently and in collaboration for timely, high-quality data annotation. Used CAT tools to prepare accurate Swahili translations for supervised model learning. • Delivered annotated text data for AI natural language processing (NLP). • Produced culturally and linguistically adapted Swahili translations. • Ensured quality and relevance of training data for ML applications. • Met deadlines for bulk annotation and localization tasks.

Translated English social media posts and religious content into Swahili language for AI and ML training. Worked independently and in collaboration for timely, high-quality data annotation. Used CAT tools to prepare accurate Swahili translations for supervised model learning. • Delivered annotated text data for AI natural language processing (NLP). • Produced culturally and linguistically adapted Swahili translations. • Ensured quality and relevance of training data for ML applications. • Met deadlines for bulk annotation and localization tasks.

2019 - 2024

Transcriber, Labeling, Segmentation & Annotator

AudioSegmentation

Performed annotation, segmentation, and labeling of diverse audio files for AI projects. Used an online proprietary platform to process, segment, and QA Swahili language audio data. Reviewed and finalized labeled files to meet strict timing and format standards required by machine learning models. • Labeled and segmented large volumes of Swahili audio data. • Utilized client-provided platform for annotation process. • Reviewed annotated segments for timing, format, and accuracy. • Ensured all outputs adhered to AI training specifications.

Performed annotation, segmentation, and labeling of diverse audio files for AI projects. Used an online proprietary platform to process, segment, and QA Swahili language audio data. Reviewed and finalized labeled files to meet strict timing and format standards required by machine learning models. • Labeled and segmented large volumes of Swahili audio data. • Utilized client-provided platform for annotation process. • Reviewed annotated segments for timing, format, and accuracy. • Ensured all outputs adhered to AI training specifications.

2020 - 2022

Freelance Closed Captions & SDH Conformance Editor

OtherAudioSegmentation

Created and edited closed captions and SDH files for the deaf and hard-of-hearing across various media. Reviewed and adjusted timing, conformance, and formatting of subtitle data for accuracy and client standards. Delivered finalized caption files for machine learning audio-text alignment tasks. • Produced SDH and closed captions for AI-related accessibility projects. • Reviewed timing codes and made necessary corrections for conformance. • Conducted quality assurance checks on captioned audio files. • Ensured accuracy before delivery to client and model training.

Created and edited closed captions and SDH files for the deaf and hard-of-hearing across various media. Reviewed and adjusted timing, conformance, and formatting of subtitle data for accuracy and client standards. Delivered finalized caption files for machine learning audio-text alignment tasks. • Produced SDH and closed captions for AI-related accessibility projects. • Reviewed timing codes and made necessary corrections for conformance. • Conducted quality assurance checks on captioned audio files. • Ensured accuracy before delivery to client and model training.

2020 - 2021

Education

Work History