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Tamara Inwang

Tamara Inwang

Data Analyst

University of Ulster


My Portfolio Highlights

My New Course

Understanding Data Science

My New Project

Introduction to DataCamp Projects

Data scientist, turning data chaos into organized knowledge.

My Work

Take a look at my latest work.


Introduction to SQL Server


Understanding Data Science


Understanding Data Engineering

DataCamp Course Completion

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

My Work Experience

Where I've interned and worked during my career.

Freelance | Jun 2023 - Present

Data Analyst


GTBank | Jun 2019 - Feb 2022

Business Analyst

Role in a Nutshell: As a Business Analyst, I utilized a combination of technical skills and business acumen to transform complex datasets into meaningful insights, boosting decision-making efficiency by 20%. My expertise in SQL, Excel, Google Sheets, and PowerBI/Tableau played a pivotal role in this. Key Projects & Achievements: Spearheaded the development of an innovative lending product, leading to an impressive 78% growth in deposit volumes and 85% growth in loan books. Also, reduced non-performing assets by 19% through detailed analysis of loan defaults, significantly reducing the bank's financial risk. Skills Applied: SQL, Excel, Google Sheets, PowerBI/Tableau, Scrum principles, A/B testing, Stakeholder Engagement, Cross-Functional Team Coordination.
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GTBank | Nov 2017 - May 2019

Assistant Operations Manager

Role in a Nutshell: In my role as an Assistant Operations Manager, I focused on driving operational efficiency using my data analysis skills. With SQL and PowerBI, I conducted in-depth trend analysis of customer transactions, resulting in major improvements such as a 30% cost reduction and a 40% decrease in debit card transaction processing time. Key Projects & Achievements: Collaborated with senior stakeholders for the successful acquisition and implementation of out-of-branch debit card printing machines, contributing to a 43% reduction in in-branch traffic. Also, implemented automation of ATM reconciliation reports using Excel (Macros,VBA and Advanced formulas), reducing error rate by 90%. Skills Applied: SQL, PowerBI, MS Excel, Stakeholder Management, Operational Efficiency, Team Coaching.

GTBank | May 2014 - Oct 2017

Customer Service Supervisor

Role in a Nutshell: As a Customer Service Supervisor, my role was centered around improving customer service efficiency and satisfaction through data analysis and strategic operational changes. With data analytics techniques, I identified high-volume categories and implemented targeted improvements. Key Projects & Achievements: Implemented strategic changes, such as specialized desks for card-related inquiries, improving customer satisfaction ratings from 43% to 89%. Also, trained operations officers, transaction officers, and interns, leading to the team achieving the highest KPMG and Internal Audit ratings in branch history. Skills Applied: Data Analytics, Customer Service, Process Improvement, Team Training, E-Product Promotion.

GTBank | Jan 2012 - Apr 2014

Customer Service Officer

Role in a Nutshell: As a Customer Service Officer, I focused on enhancing customer experience by analyzing transaction data to streamline services, achieving a 60% reduction in transaction processing time. Key Projects & Achievements: Meticulously handled data entry tasks for new account creation and existing account updates while ensuring compliance with AML regulations. Skills Applied: Customer Service, Data Analysis, Cross-functional Collaboration, Compliance.

My Education

Take a look at my formal education

MSc in International Business with Data AnalyticsUlster University | 2023

About Me

Tamara Inwang

I have a strong background in data analysis, specifically within the financial services industry. My experience spans various areas, ranging from customer service to operations, and recently as a business analyst on the sales side of the business

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