Barbara Z. — Data Analyst

Vetted expert in Data Analyst (DA), Business Intelligence (BI) (8.0 yr.), Data QA, Data Visualization.

Last verified on July, 2024

Middle

B2 (Upper-Intermediate)

Core Skills

Tableau

4 yr.

SQL

4 yr.

Power BI

4 yr.

Python

Spotfire

1 yr.

Bio Summary

- 5 years of commercial experience with PowerBI and Tableau
- 4 years of commercial experience with SQL
- Prepared a comprehensive analysis of the US real estate market with Spotfire
- Assessed data quality from sources that contained tens of thousands of customer and transaction data, by using SQL in Azure SQL Database
- Employed data-driven techniques to develop RFM analysis, and create interactive dashboards for customer trend visualization and high-value business proposals
- Upper-Intermediate English

Technical Skills

Programming Languages	Python, R
Data Analysis and Visualization Technologies	Power BI, Tableau
Databases & Management Systems / ORM	SQL
Cloud Platforms, Services & Computing	Azure
Third Party Tools / IDEs / SDK / Services	Excel
Version Control	Git
Platforms	Mendix
Other Technical Skills	Statistical Modelling

Experience

Tableau Consultant

Feb 2019 – Present

Analyzed the USA real estate database using SQL on MS Azure SQL database for Ileads – a leading analytics and custom data service in real estate and insurance. Using Tableau, I then created data-driven and insightful reports for the first and second quarters of 2022. This has helped and will continue to help many clients make informed decisions on acquiring homes and properties.
Delivered advanced analytics – inventory & cost analysis, performance analysis, amenities & features analysis, occupancy analysis, and rental property investment analyzer - for Vrolio Group LLC. This will help short-term rental investors analyze the possible returns of properties they plan on buying.
Developed interactive dashboards on Tableau and PowerBI for TovoData(Real Estate data powerhouse) in the USA. I then presented the findings to management-level executives.
Implemented ad hoc analysis of commercial data (based on SQL + PowerBI) for tracking the effectiveness of each product/channel.
Uncovered key business insights for Marigold Freight LLC by visualizing important KPI metrics on Tableau. This increased their revenue by 25%, and also, they were able to make informed decisions and target highly valued customers.
Provided analytics of the US real estate market with Spotfire.

Data Scientist - Quantium

Mar – May 2021

Conducted advanced analysis on a supermarket’s transactional dataset and identified customer purchasing trends and behavior.
Forecasted sales revenue and consumer behavior for the next quarter (Time Series Analysis).
Used t-test to identify significant differences between customer segments and their purchasing behavior.
Created an interactive dashboard to visualize the annual company sales and profit using Tableau.
Created the supermarket’s strategic plan for the chip category in the next half year.

Data Analyst – KPMG Australia

Sept – Nov 2020

Assessed data quality from Sprocket Central Pty LTD datasets, which contained thousands of customer and transaction data, by using SQL in Azure SQL Database.
Created and implemented an RFM analysis to target high-value customers. I then made PowerPoint presentations, including data exploration, model development, and interpretation, to present to stakeholders.
Developed an interactive dashboard (Tableau) about customer trends and behaviors and then, presented the findings to management and further came up with proposals to drive higher value for the company.

Data Consultant – KPMG

May 2022 – To date

Help clients grow (increase revenue and profits) and make better business decisions by using data.
Create high-level dashboards in Tableau and present them to C-suite executives.
Utilize advanced analytics and financial modelling in my projects.

Education

Aix-Marseille Université France, MA
Degree: Master of Research in Business Law and Economics. Oct 2019

University of Ghana Ghana, BA
Degree: Bachelor of Arts in Economics with Philosophy. May 2017

How to hire with Upstaff

1

Talk to Our Talent Expert

Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.

2

Meet Carefully Matched Talents

Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person.

3

Validate Your Choice

Bring new talent on board with a trial period to confirm you hire the right one. There are no termination fees or hidden costs.

Why Upstaff

Upstaff is a technology partner with expertise in AI, Web3, Software, and Data. We help businesses gain competitive edge by optimizing existing systems and utilizing modern technology to fuel business growth.

Real-time project team launch

<24h

Interview First Engineers

Upstaff's network enables clients to access specialists within hours & days, streamlining the hiring process to 24-48 hours, start ASAP.

x10

Faster Talent Acquisition

Upstaff's network & platform enables clients to scale up and down blazing fast. Every hire typically is 10x faster comparing to regular recruitement workflow.

Vetted and Trusted Engineers

100%

Security And Vetting-First

AI tools and expert human reviewers in the vetting process is combined with track record & historically collected feedbacks from clients and teammates.

~50h

Save Time For Deep Vetting

In average, we save over 50 hours of client team to interview candidates for each job position. We are fueled by a passion for tech expertise, drawn from our deep understanding of the industry.

Flexible Engagement Models

Custom Engagement Models

Flexible staffing solutions, accommodating both short-term projects and longer-term engagements, full-time & part-time

Unique Talent Ecosystem

Candidate Staffing Platform stores data about past and present candidates, enables fast work and scalability, providing clients with valuable insights into their talent pipeline.

Transparent

$0

No Hidden Costs

Price quoted is the total price to you. No hidden or unexpected cost for for candidate placement.

x1

One Consolidated Invoice

No matter how many engineers you employ, there is only one monthly consolidated invoice.

Ready to hire Barbara Z.
or someone with similar Skills?

Book a call with Barbara Z.

Start Hiring