Ralu Nwosu
@ralunwosu
Data annotation specialist skilled in dataset management and AI training support.
What I'm looking for
I am a detail-oriented data annotation specialist with a Bachelor of Arts in Psychology from Lehman College and a diverse background spanning data annotation, inventory management, youth counseling, retail operations, customer service, and digital marketing. I have a strong record of managing large datasets, leading teams, and maintaining high accuracy—consistently delivering quality scores above 95% while improving workflow efficiency.
I leverage technical tools including SQL, Python, Tableau, Microsoft Office, Google Workspace, Adobe Creative Suite, and TELUS Ground Truth Studio to drive insights, optimize processes, and support AI model training. I am committed to collaboration, clear communication, and continuous improvement, and I bring practical experience in inventory control, mentorship, and marketing analytics to cross-functional teams.
Experience
Work history, roles, and key accomplishments
Data Annotation Specialist
TELUS International
Jul 2025 - Present (3 months)
Annotate and validate large text, image, and video datasets to support AI/ML model training, maintaining quality scores above 95% and improving annotation process efficiency.
Inventory Stock Supervisor
Usown Enviro Contracting Ltd
Feb 2022 - Dec 2024 (2 years 10 months)
Supervised warehouse and inventory operations, optimized inventory procedures to reduce discrepancies, and ensured accurate distribution of materials across sites.
Counselor
YMCA Harlem
Sep 2018 - Dec 2021 (3 years 3 months)
Coordinated youth programming and provided mentorship to support social-emotional development, fostering family and community engagement through activities and outreach.
Education
Degrees, certifications, and relevant coursework
Lehman College, CUNY
Bachelor of Arts, Psychology
Bachelor of Arts in Psychology completed at Lehman College, City University of New York in May 2022.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
Skills
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