David Bassey
@davidbassey
AI data annotation specialist focused on improving NLP/LLM performance and data quality.
NigeriaWhat I'm looking for
I am an AI data annotation specialist and NLP/LLM practitioner with extensive experience creating, verifying, and improving datasets for machine learning systems. I have led and delivered data labeling and quality programs across multiple projects and clients, leveraging tools for text and image annotation and driving measurable improvements in AI relevance and performance.
My background includes founder-level leadership of a data-labeling services company, hands-on roles as a senior data quality specialist and evaluator for search and generative AI, and technical proficiency in Python, AWS, Tableau, and MATLAB. I combine analytics, project oversight, and continuous quality improvement to scale annotation operations and ensure high-fidelity training data for NLP and ML products.
Experience
Work history, roles, and key accomplishments
Online Data Analyst
Peroptyx
Apr 2023 - Present (2 years 5 months)
Provide data annotation services and analyze online data to improve model inputs and labeling consistency for machine learning projects.
WEAnalyze search result performance and rate relevance and quality to improve algorithm accuracy and user satisfaction; conduct QA and report trends to optimize search functionality.
Chief Executive Officer
Rater X
Jul 2020 - Present (5 years 2 months)
Founded and lead a data annotation and labeling services company focused on African languages, overseeing operations, strategy, and delivery of culturally accurate datasets for AI innovators.
RWTest and evaluate search engine responses for client projects, using research expertise to enhance AI training data and improve online search experiences.
Data Specialist
Outlier
Jan 2023 - Jan 2025 (2 years)
Compose and revise prompts and responses, research and fact-check outputs, and assess factuality and relevance of AI-generated text to improve model performance.
COLed data quality efforts for AI models, defining evaluation criteria and improving dataset fidelity to enhance language model outputs over a one-year engagement.
APPerformed text and image annotation tasks to create high-quality datasets for machine learning, ensuring labeling accuracy and consistency across projects.
Education
Degrees, certifications, and relevant coursework
Akwa Ibom State University
Bachelor's degree
Bachelor's degree from Akwa Ibom State University; coursework and major not specified in resume.
Availability
Location
NigeriaAuthorized to work in
Job categories
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