Muchiri Mwaura
@muchirimwaura
Experienced data annotator with expertise in machine learning applications.
What I'm looking for
I am an experienced data annotator with six years of expertise in data labelling, analysis, and online research for machine learning applications. My proficiency spans semantic and instance segmentation, 3D video and LiDAR annotation, and text transcription. I excel at handling large datasets and conducting content analysis, which has allowed me to contribute significantly to AI and machine learning workflows.
Throughout my career, I have collaborated closely with teams to enhance labelling accuracy and ensure data quality. At Labelbox, Inc., I provided expert data annotation services, led efforts in data labelling for object detection, and oversaw quality control for data labels. My previous roles at Lionbridge and Scale AI further honed my skills in managing complex projects and preparing high-quality training data for machine learning models.
Experience
Work history, roles, and key accomplishments
Machine Learning Data Annotator
Labelbox, Inc.
Mar 2023 - Jan 2025 (1 year 10 months)
Provided expert data annotation services for machine learning projects, specializing in 3D video and LiDAR data. Conducted research to support the training of large language models and led efforts in data labelling for object detection, ensuring high-quality outputs.
Data Analyst
Lionbridge
Jan 2022 - Feb 2023 (1 year 1 month)
Managed complex semantic and instance segmentation projects for large datasets. Conducted data analysis to validate machine learning training data, enhancing model accuracy and providing insights for online engagement strategies.
Data Annotator
Scale AI
Jan 2021 - Jan 2022 (1 year)
Provided detailed transcription services for diverse datasets, supporting large language model development. Enhanced data relevance through meticulous labelling and contributed to tool development for annotation workflows.
Data Annotation Intern
CloudFactory USA LLC
Jun 2018 - Dec 2020 (2 years 6 months)
Supported research, semantic segmentation, and transcription for various data projects. Performed detailed 3D video and LiDAR annotation tasks, achieving high accuracy and contributing to content strategy insights.
Education
Degrees, certifications, and relevant coursework
University College London
Bachelor of Science, Data Science
2014 - 2018
Studied Data Science, focusing on data analysis, machine learning, and data annotation techniques. Developed skills in handling large datasets and applying analytical methods to solve complex problems.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Social media
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