Salaam Rasak Olanrewaju

Salaam Rasak Olanrewaju

Data Analyst (Google Certified) | Python, SQL, Excel, Power BI, Tableau Expert | Business Intelligence Expert | AI Automation Engineer
Ibadan, Nigeria, Remote, NG.

About

Detail-oriented Data Analyst & AI Automation Engineer with 3+ years of hands-on experience transforming raw datasets into actionable insights. Skilled in querying 1M+ rows in SQL, building ETL pipelines in Python, and creating dashboards in Power BI/Tableau that improved decision-making by 30%. Experienced in workflow automation using Make.com, Zapier, and n8n, reducing manual processes by up to 40% and enabling real-time integration.

Education

Obafemi Awolowo University
Ile Ife, Osun State, Nigeria

Master's

Political Science

Grade: with distinction

Courses

Advanced Statistical Analysis

Big Data and Politics

Obafemi Awolowo University
Ile Ife, Osun State, Nigeria

Bachelor's

Political Science

Courses

Survey Methods and Opinion Polling

Geographic Information Systems (GIS)

Work

Scale AI
|

Freelance Prompt Engineer

Remote

Independent Contractor

Summary

Optimized AI-generated responses on the Scale AI platform (Outlier), ensuring clarity, accuracy, and contextual relevance. Refined prompts to boost advanced language model performance and reliability.

Upwork
|

Freelance Data Analyst

Remote, N/A, N/A

Summary

Delivering end-to-end data analytics solutions as a freelance consultant, building data pipelines and automated dashboards to drive predictive insights and optimize decision-making across diverse industries.

Highlights

Designed and deployed end-to-end data pipelines and automated dashboards, with Python, SQL, Power BI, and Tableau.

Transformed complex, unstructured datasets into clean, reliable formats, enabling robust analysis and supporting data-driven strategies for over 15 clients across fintech, healthcare, and e-commerce.

Built AI-driven workflows using Make.com and n8n for reporting, CRM sync, and notification systems, thereby reducing manual effort by 35%.

Innovion
|

Data Visualization Expert

Remote, N/A, N/A

Summary

Transformed complex datasets into intuitive, insight-rich dashboards and optimized visual reporting pipelines to support real-time decision-making and trend analysis.

Highlights

Designed and implemented interactive dashboards using Microsoft Power BI, Tableau, and Excel, transforming complex datasets into intuitive visualizations that enhanced data accessibility for over 10 departments.

Optimized visual reporting pipelines and ensured data accuracy, reducing reporting cycle times by 20% and improving data reliability for critical business intelligence.

Leveraged Python and SQL for real-time analytics and automation of trend detection, enabling proactive business decisions.

Languages

English
Yoruba
Swedish

Certificates

Make Advanced Automation

Issued By

Make

Make Foundation Automation

Issued By

Make

Make Intermediate Automation

Issued By

Make

Data Analytics Essentials

Issued By

CISCO Networking Academy

Google Data Analytics Professional Certificate

Issued By

Coursera

Getting Started with Artificial Intelligence

Issued By

IBM SkillsBuild

Getting Started with Data

Issued By

IBM SkillsBuild

Web Development Fundamentals

Issued By

IBM SkillsBuild

Skills

AI & Automation Tools

Make.com, n8n, Zapier, LangChain, Workflow Automation, API Integration.

Programming Languages

Python, R, SQL, PyTorch.

Artificial Intelligence & Machine Learning

Artificial Intelligence, Machine Learning, Prompt Engineering, Prompt Writing.

Data Analysis & Methodologies

Data Cleaning, Data Querying, ETL Pipelines, Statistical Analysis, Mixed Methods Research, Trend Analysis, Predictive Analytics.

Data Visualization & BI Tools

Tableau, Power BI, Excel, Looker Studio.

Projects

TheBeachGroupAnalysis

Freelance

Summary

It was an in-depth assessment of On-The-Beach Group PLC, integrating strategic, financial, and ESG insights crucial for informed investment decisions.

PythonResearchStudy

Freelance

Summary

I participated in a research study conducted by Ruhr University Bochum (RUB), Germany, using Python flask. I was tasked with the responsibility of coding some web functions without the aid of any AI tools. I did as instructed and delivered accordingly, thereby contributed to the success of the research study.

MarketAnalysis

Freelance

Summary

This report analyzes sales trends, customer behavior, and product performance using visualizations to reveal key insights, empowering businesses with data-driven strategies for growth, efficiency, and improved customer satisfaction.

CorrosionAnalysis

Freelance

Summary

This study analyzes U.S. water corrosiveness and streamflow trends (1964–2016) using CSMR and LR data from 84 river sites. Employing WRTDS models, it explores seasonal and discharge-related variations to assess corrosion risks in distribution systems, linking water composition changes to treatment practices and informing better water quality management decisions.

Interests

AI Club & Hackathon Participations

AI, Data, Coding, Business Intelligence.