TUTahmina UsmanData analyst · Data scientist

Data · Insight · Decisions

Data made
understandable.

Hello, I’m Tahmina.I use Python, SQL, Power BI and machine learning to explore complex data and communicate what matters.
06ProjectsMScData ScienceUKManchester

Selected work

Portfolio

RFECV feature selection curve showing cross-validation R squared across the number of selected vehicle features
Machine learning · Regression

AutoTrader Market Intelligence

Applied recursive feature elimination, ensemble models and explainability across roughly 400,000 vehicle adverts.

PythonRFECVXGBoostSHAP
Sales Performance Dashboard showing sales, profit, orders, return rate, profit margin, sales trends and regional performance
Business intelligence · Dashboard

Sales Performance Dashboard

Cleaned sales data and built KPI, trend, category and regional views for clearer business reporting.

Power BIDAXPower Query
HR Analytics Dashboard showing employee attrition, workforce age groups, overtime and salary by job role
Business intelligence · HR analytics

Employee Attrition Dashboard

Explored workforce attrition by department, age, overtime and job role, with salary and tenure indicators.

Power BIHR AnalyticsData Visualisation
Amazon Review Sentiment Analysis application predicting positive sentiment with 99 percent confidence
Deep learning · Natural language processing

Amazon Review Sentiment Analysis

Built a BERT-based interface that classifies product reviews and displays positive and negative prediction confidence.

PythonBERTNLPDeep Learning
EVENT STREAMAPACHE KAFKA
Producerevents
•••▶
P0P1P2P3P4
•••▶
Consumergroup
TOPIC PARTITIONS SCALED FROM 3 TO 5
Big data · Streaming

Kafka Consumer Pipeline

Explored partitioning, consumer groups and parallel event processing in a streaming workflow.

KafkaStreamingConsumer Groups
MPI EXECUTION TIME1M TRAPEZOIDS
0.0391s0.0187s2 processes4 processes
High-performance computing · MPI

Parallel Numerical Integration

Measured parallel trapezoidal quadrature performance across increasing process counts.

CMPIGNUPlot

About

Mathematics meets practical analysis.

I’m completing an MSc in Data Science at Manchester Metropolitan University, building on a BSc (Hons) in Mathematics from The Open University.

I’m seeking a data analyst or junior data science opportunity where careful analysis, clear communication and dependable delivery matter.

LOCATIONManchester, UK
CORE TOOLSPython · SQL · Power BI
RIGHT TO WORKBritish citizen

Let’s connect

Looking for a thoughtful analyst?

I’m open to data analyst and junior data science opportunities.

tusman711@gmail.com