Learn Data Skills
Beta
Olanrewaju Tiamiyu

Olanrewaju Tiamiyu

Data Analyst

SKLD Integrated Services

Technologies

My Portfolio Highlights

My New Course

Introduction to SQL

My New Track

SQL Fundamentals

My New Course

Introduction to SQL

Analytical pathfinder, blazing trails to new insights and discoveries.

My Work

Take a look at my latest work.

course

Introduction to SQL

course

Intermediate SQL

DataLab

Data-Driven Decision Making in SQL

course

Introduction to SQL

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to Python
Introduction to SQL
Understanding Artificial Intelligence
Understanding ChatGPT

My Work Experience

Where I've interned and worked during my career.

SKLD | Sep 2023 - Present

Data Analyst

N/A

Upwork | Apr 2022 - Jul 2024

Data Analyst

- Transform raw business data into useful insights and information - Create complex/advanced formulas and functions to automate spreadsheet operations - Create Insightful charts, graphs and pivot tables that accurately summarizes business data. - Create and maintain rich and interactive dashboards to track important key metrics - Clean dirty and untidy data and make it spot quality for analysis. - Provide technical expertise in data related tools and problems.
Show More

OPay | Mar 2023 - May 2023

Customer Service Representative

• Resolved customer issues within the scope of existing service levels • Ensured customers interactions, feedbacks and complaints are appropriately logged for tracking • Handled complaints, provide appropriate solution and alternatives within the time limits and follow up to ensure resolution • Built sustainable relationships through open and interactive communication. • Followed communication procedures, guidelines and policies while resolving customers complaints through multiple channels.

BackFx Trading Corp | Aug 2022 - Oct 2022

Customer Relations Officer

• Assisted new clientson how to use BackFx trading platform • Communicated and established relationships with clients • Assisted clients to troubleshoot issues.

Codar | Sep 2021 - Feb 2022

Data Analyst

• Gathered and organized data from various sources, ensuring its accuracy and completeness. • Data analysis and interpretation: Apply statistical and analytical techniques to process and analyze data sets. Identify trends, patterns, and correlations in the data to derive meaningful insights and recommendations. • Wrangled, analyzed, and visualized sourced data making actionable recommendations at all levels via interactive dashboards, charts and graphs,. Tools used - SQL, Excel and Python, and Power BI • Communicated insights and recommendations effectively to the broader team and stakeholders through well-crafted presentations.

ConSol Limited | Aug 2019 - Jan 2020

Customer Service Representative

N/A

My Education

Take a look at my formal education

Data Analyst DataCamp | 2023
Data Analyst Nanodegree, Data science Udacity | 2022
Bachelor of Science - BS, MathematicsAdekunle Ajasin University | 2021

About Me

Olanrewaju Tiamiyu

Olanrewaju hasn't filled in a bio text

Powered by

  • Work
  • Courses
  • Experience
  • Education
  • About Me
  • Create Your Data Portfolio for Free