How to Keep Valuable Clients: A Predictive Model for Bank Customer Churn
Using machine learning to help banks reduce churn and cut acquisition costs by targeting retention efforts more effectively.
Data AnalysisPredictive ModelingML
Derek
Papierski
Data Analysis & Development
I turn complexity into clarity through data science and elegant code.
Michigan, USA
derek@derekpapierski.comWorks
Selected projects I've worked on
Using Social Media to Boost Advertising Strategy
Using NLP to guide ad targeting strategies and boost engagement by aligning campaigns with user pain points.
Data AnalysisNLPMarketing
Code Coach Learning Platform
LeetCode-style coding platform with real-time code execution and an AI assistant that helps users solve problems and prepare for technical interviews.
ReactWeb developmentAI
Experience
My journey into tech and data
May 2024 - January 2025
Full Stack Developer
Code Coach
Created an AI-powered learning platform for ACM students to solve coding problems and prepare for programming competitions and technical interviews.
ReactAWSLLMs
October 2023 - February 2024
Data Analyst
iLabs, Center of Innovative Research
Gathered and analyzed University of Michigan-Dearborn student data to provide insights about student engagement and made recommendations to university stakeholders.
PythonSQLTableauExcelSPSS
February 2023 - April 2024
Math Tutor
UM-Dearborn
Tutored first and second year students in linear algebra, calculus, and statistics to help them succeed.
Linear AlgebraCalculusStatistics
About
The story behind the code
Data Analyst & Full-Stack Developer
I’m a data-focused technologist with dual majors in Computer Science and Data Science. I specialize in extracting actionable insights from complex datasets, but I also love building tools and applications that turn those insights into real-world solutions. What drives me is the desire to make technology more accessible and impactful.
"Why both data science and software engineering?”
Data doesn’t exist in a vacuum—it needs infrastructure, tools, and systems to create real-world impact. My background allows me to collaborate seamlessly with engineers, design scalable solutions, and ensure insights translate into action.
Technical Skills
Data Science & Analytics
Python, SQL, R, Tableau, Excel, Apache Spark
Web Development
React, Next.js, Node.js, TypeScript, JavaScript
Machine Learning & AI
Scikit-learn, TensorFlow, PyTorch, Statistical Modeling
Tools & Infrastructure
AWS, Docker, Git, Linux, CI/CD
Areas of Focus
Data Visualization
Creating intuitive and interactive data stories that make complex information accessible
Communication
Working with non-technical stakeholders to understand their needs and simplify complex data into actionable insights
Full-Stack Development
Developing end-to-end applications that seamlessly integrate data science with user experience
Connect
Let's chat about tech
Email
Whether you want to discuss a potential project, share ideas about data science, or just talk tech, I'm always happy to connect.
derek@derekpapierski.com →Blog
I write about my experiences in data science, web development, and the intersection of both. Check out my latest thoughts and learnings.
Read my blog →Social
Follow my journey and connect with me on other platforms. I regularly share updates and insights about my work.