OLUSEYIJE OLASILE JOHNSON

Chemistry Educator | Data Analyst | Data Annotation Specialist

Ibadan, NG.

About

Highly organized and dedicated professional leveraging a strong foundation in Chemistry education with advanced proficiency in data analysis, annotation, and AI tools. Proven ability to lead teams, drive project success, and deliver exceptional results, including a 100% student success rate and 20% profit growth. Eager to apply a unique blend of analytical rigor, communication skills, and technical expertise in data annotation, Power BI, and Generative AI to contribute to a forward-thinking organization.

Work

Freelance Data Annotation & Labelling

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Data Annotation & Labelling Freelancer

N/A, N/A, N/A

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Summary

Provided expert data annotation and labelling services across multiple platforms to generate high-quality datasets for AI and machine learning initiatives.

Highlights

Accurately transcribed high-volume audio and text data for Zulo, generating precise training datasets for advanced Natural Language Processing (NLP) models.

Segmented complex multi-modal audio recordings and text documents for Aethexai, ensuring precise temporal and contextual alignment critical for AI model training.

Maintained a strict 99% quality assurance rate for Aethexai by meticulously reviewing and editing raw transcripts, significantly improving data accuracy for AI systems.

Processed and annotated diverse multi-modal audio and text data within Google Studio workflows for GoLogin, directly enhancing machine learning pipeline efficiency and output quality.

Birotojob Integrated Limited

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Data Analyst Intern

Lekki-Aja, Lagos, Nigeria

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Summary

Supported data-driven decision-making and operational efficiency by performing comprehensive data analysis, cleaning, and strategic planning.

Highlights

Proactively mastered new data analytics tools and methodologies, applying cutting-edge techniques to enhance data processing and insights.

Developed and executed data-driven strategies that directly contributed to a 20% increase in business profits and overall growth.

Collaborated cross-functionally with sales, project management, and service teams to identify critical data gaps and implement proactive, data-backed solutions.

Ensured 99%+ data accuracy and reliability by meticulously performing data cleaning and preprocessing on large datasets, optimizing for analytical readiness.

Welkin International School

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Chemistry Teacher

Atan-Ota, Ogun, Nigeria

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Summary

Delivered comprehensive Chemistry education and guided students through rigorous examination preparation, consistently achieving high success rates.

Highlights

Designed and delivered differentiated Chemistry lessons for a diverse student population of over 150 students, adapting curricula to various learning styles.

Achieved a 100% success rate for students in the 2024 West African Senior Secondary Certificate Examination (WASSCE) through targeted instruction and comprehensive preparation.

Secured a 100% success rate for students in the 2023 National Examination Council (NECO), demonstrating exceptional pedagogical effectiveness.

Pleasure Mobile Limited

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Customer Service Representative

Ijebu-Ode, Ogun State, Nigeria

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Summary

Managed customer interactions and sales operations, ensuring high satisfaction and contributing to business growth in a fast-paced retail environment.

Highlights

Managed the registration and activation of 100+ daily GLO, MTN, Airtel, and 9Mobile SIM cards, ensuring seamless customer onboarding and service delivery.

Processed and completed over 50 daily sales transactions for bulk recharge cards and various DStv, GOtv, and StarTimes subscriptions.

Provided exceptional customer service that directly contributed to a 30% improvement in overall sales performance and customer satisfaction.

Fostered a collaborative and supportive team environment, contributing to improved team morale and operational efficiency.

Volunteer

Leader, Environmental Community Development Service Group

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NYSC

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Directed environmental awareness campaigns and coordinated community cleanup initiatives, fostering local environmental improvement.

Highlights

Championed and executed environmental awareness and public enlightenment initiatives, reaching over 1,000 residents in Kisi LGA.

Directed and coordinated over 100 corps members across multiple community cleanup programs, resulting in significant local environmental improvement.

Presiding Officer (PO)

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Independent Electoral Commission (INEC)

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Led and managed a polling unit during the 2023 general elections, ensuring transparent and orderly conduct of the electoral process.

Highlights

Successfully led and managed operations for a polling unit serving over 500 voters during the 2023 general elections, ensuring smooth and orderly electoral conduct.

Maintained strict adherence to all INEC guidelines and protocols, guaranteeing 100% transparency, fairness, and credibility throughout the election process.

Accurately recorded and reported election results with 100% precision, ensuring timely submission of all required documentation to INEC headquarters.

Proficiently utilized INEC's electronic systems for voter verification and secure result transmission, demonstrating strong technical adaptability in a high-pressure environment.

President

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Students' Chemical Society of Nigeria (SCSN)

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Led the student chemical society, organizing key academic and orientation events to enhance student engagement and academic integration.

Highlights

Successfully organized the first-ever departmental symposium, attracting over 500 attendees and fostering dialogue on Chemistry and Sustainable Development Goals.

Planned and executed comprehensive orientation programs for over 200 new students, facilitating smooth integration into academic life.

Education

University of Ibadan

Ibadan, Oyo State, Nigeria
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Master of Science Inorganic Chemistry

Tai Solarin University of Education (TASUED)

Ijagun, Ogun State, Nigeria
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Bachelor of Science (Education) Chemistry Grade: 4.77/5.0 CGPA (First Class Honours)

Languages

English

Certificates

Artificial Intelligence Career Essentials (AiCE)

ALX

Professional Soft Skills Training

LinkedIn Learning

Career Essentials in Generative AI

Microsoft and LinkedIn

Build Your Generative AI Productivity Skills

Microsoft and LinkedIn

English for IT 1 & 2

Cisco Network Academy and OpenEDG

Career Essentials in Data Analysis

Microsoft and LinkedIn

Data Analytics Certificate

Side Hustle Internship 5.0

Skills

Team collaboration

Team collaboration.

Leadership

Leadership.

Data Annotation & Labelling

Data Annotation & Labelling.

Data Transcription

Data Transcription.

Microsoft Office Suite

Microsoft Office Suite.

Power BI Desktop

Power BI Desktop.

Canva Application

Canva Application.

Generative AI

Generative AI.

Analytical skills

Analytical skills.

Attention to detail

Attention to detail.

Written and oral Communication skills

Written and oral Communication skills.

Emotional intelligence

Emotional intelligence.

Compliance and Integrity

Compliance and Integrity.

Conflict Management and Resolution

Conflict Management and Resolution.

Adaptability

Adaptability.