Data Analyst & Power BI Specialist

Turning complex datainto clear decisions.

I’m Zain Haidar, based in Vienna, Austria. Data analysis, business intelligence, and reporting systems. I turn complex information into a clear view of what comes next.

Download CV

Open to employment & freelance projects

01 / Selected work

From raw data
to something useful.

View all 21 projects
Data Analysis and Visualization

Pitchside Pro Revenue Performance Dashboard

The question

Build an executive dashboard that answers what is driving revenue performance over time and where the business should focus next to sustain growth.

The approach

I prepared the football ecommerce revenue dataset for executive analysis.

The output

The final dashboard gives a clear executive view of revenue performance, product growth, channel efficiency, football moment impact, and regional opportunity.

Power BIPower QueryDAX
Read case study: Pitchside Pro Revenue Performance Dashboard
Natural Language Processing NLP

Enron Emails Dataset Analysis

The question

Analyze email communication patterns, message volume, important senders, recipients, and common topics from a real-world email dataset.

The approach

Connected to the SQLite email database.

The output

Produced insights about email volume, senders, recipients, recipient types, and common topics.

PythonSQLitePandas
Read case study: Enron Emails Dataset Analysis
Data Analysis and Visualization

Demographic Data Analyzer

The question

Use Python to analyze demographic data and answer clear questions about income, education, work patterns, and population groups.

The approach

Loaded and explored the demographic dataset with Pandas.

The output

Delivered a clean Python analysis that explains important demographic patterns.

PythonPandasJupyter Notebook
Read case study: Demographic Data Analyzer

03 / Working approach

Good work starts
with better questions.

A practical approach, from the first conversation to the next update.

  1. 01 /

    Clarify

    Define the decision, the audience and the questions the work needs to answer.

  2. 02 /

    Prepare

    Check sources, clean the data and make assumptions explicit.

  3. 03 /

    Analyse

    Explore patterns, build measures and test the reasoning behind the result.

  4. 04 /

    Communicate

    Turn the findings into a clear dashboard, explanation or recommendation.

  5. 05 /

    Maintain

    Document the logic, add checks and make the next update easier.

04 / Experience

Zain Haidar

I’m Zain, a data analyst based in Vienna. I bring together business intelligence, SQL, Python, and software engineering to prepare data, investigate patterns, and build useful reporting workflows.

Zain Haidar

2022–Present

Data Analyst

Upwork / Freelance

2019–2021

Data Analyst

FBM Solutions

2017–2019

Software Engineer

Fiverr / Freelance

Tools & capabilities

Business Intelligence & Visualization

Power BIDAXPower QueryTableauKPI DashboardsMicrosoft Excel

Cloud & Tools

AzureAWSGCPDockerGitREST APIsCI/CD

Data Analysis & Modelling

SQLPythonTrend AnalysisForecastingRegression Models

Data Engineering & ETL

Azure Data PipelinesApache SparkAzure Synapse Analytics

Soft Skills

Client CollaborationCommunicationProblem-SolvingTraining

Continuing development

Udemy

Databricks Associate Developer, Apache Spark

Kaggle

Data Visualization

freeCodeCamp

Data Analysis with Python

05 / Notes

Ideas worth
thinking through.

View all

06 / Contact

A new role.
A new data challenge.

Open to employment & freelance projects

zainhaider72@gmail.com