
Lekan Anifowose
@lekananifowose
Data Analyst at PRIME DATA SOLUTIONS who analyzed operational data and built dashboards in Tableau and Excel.
What I'm looking for
At PRIME DATA SOLUTIONS, I analyzed and cleaned data using Excel and SQL, tested hypotheses with R, and created dashboards in Tableau and Excel to examine operational data.
As an AI Trainer / Data Annotator (Freelance) at e2f, I annotated and evaluated datasets for large language models, validated and preprocessed data, and followed detailed guidelines to maintain data quality.
At Oneforma, I labeled and validated AI data for reasoning, text classification, and search relevance, and applied quality checks that improved dataset accuracy by 12%. I also produced and edited content at RWS and contributed to AI project training materials and documentation at Toloka.ai.
Experience
Work history, roles, and key accomplishments
AI Trainer / Data Annotator
e2f
Nov 2023 - Present (2 years 11 months)
Annotated and evaluated datasets for training large language models, ensuring data quality through adherence to detailed annotation guidelines. Collaborated with international teams to enhance dataset consistency.
Data Analyst
Prime Data Solutions
Aug 2024 - Jan 2026 (1 year 5 months)
Analyzed and cleaned data using Excel and SQL, performed data manipulation and hypothesis testing using R, and created dashboards using Tableau and Excel. Analyzed operational data to identify areas for improvement.
Data Annotation Specialist
Oneforma
Jan 2024 - Sep 2024 (8 months)
Labeled and validated data for AI systems in reasoning, text classification, and search relevance. Applied quality control checks, improving dataset accuracy by 12%, and reported recurring model issues.
Data Annotator
Toloka.ai
May 2023 - Dec 2023 (7 months)
Developed and refined content focused on AI and machine learning technologies, ensuring clarity and accuracy. Contributed to training materials and documentation, and analyzed content performance metrics.
Freelance Writing & Content Specialist
RWS
Feb 2023 - Sep 2023 (7 months)
Produced generalist writing content across technical, academic, business, and creative niches. Edited, proofread, and optimized content for clarity, tone, and target audience.
Data Entry Specialist
Bright Solutions, Inc.
Jan 2022 - Jan 2023 (1 year)
Accurately entered and managed large volumes of data into MS Word and Excel, verified accuracy, and maintained digital filing systems. Collaborated to streamline processes and consistently met quotas with high accuracy.
Education
Degrees, certifications, and relevant coursework
Lead City University
Bachelor of Science, Business Administration
2017 - 2020
Pursued a degree in Business Administration, gaining foundational knowledge in business principles and management.
Availability
Location
Authorized to work in
Salary expectations
Job categories
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