Data Sciences Challenges
Explore data science challenges on Ewance to build skills employers expect from analysts and ML engineers. Work through challenges on data cleaning, exploratory analysis, modeling, and storytelling with data.
Most Popular
- DesignAdvancedNew
Supplier Contract Design for a 40-Person SaaS Scale-Up
As a procurement specialist, you must draft a contract for a cloud infrastructure provider (e.g., AWS, Azure, or GCP) that includes pricing tiers, SLAs for uptime and support, d…
- Contract Design
- Negotiation
- Sla Definition
Procurement and Strategic Sourcing - StrategyAdvancedNew
Revitalizing a Legacy B2B SaaS Product
Your task is to create a comprehensive product revitalization plan. You must conduct at least 5 user interviews (or synthesize existing feedback), analyze product analytics (pro…
- User Research
- Product Analytics
- Roadmapping
Product Management - StrategyAdvancedNew
Industry 4.0 Roadmap for a 40-Person SaaS Scale-Up
Your challenge is to create a 12-month Industry 4.0 roadmap for DataFlow Analytics' internal operations. You need to identify key processes to digitize (e.g., server monitoring,…
- Industry 4 0
- Cyber Physical Systems
- Iot
Production and Manufacturing Management - CodeAdvancedNew
Designing a Dynamic Pricing Engine for a Ride-Hailing Startup
Your team is given a dataset of historical rides (timestamp, pickup location zone, demand level, available drivers). You must design a pricing algorithm that: (1) uses a multipl…
- Python
- Pandas
- Simulation
Programming for Business Applications Practice your coursework on real scenarios.
Every challenge is shaped from real industry context — not generic exercises. The work mirrors what your degree prepares you for.
Why Ewance
- AnalysisAdvancedNew
Capacity Planning for a 40-Person SaaS Scale-Up
Your task is to forecast ticket volumes using historical data (provided), determine the required number of support agents, and propose a staffing plan including shift schedules …
- Capacity Planning
- Forecasting
- Workforce Management
Service Operations Management - AnalysisAdvancedNew
Network Analysis for Influencer Marketing Campaign
You are a social media analyst at TaskFlow. Using the Twitter API, collect data on at least 200 accounts related to project management and tech leadership (e.g., tweets, followe…
- Network Analysis
- Twitter Api
- Influencer Identification
Social Media and Web Analytics - AnalysisAdvancedNew
Sales Forecasting for a SaaS Scale-Up Moving Upmarket
You are given historical MRR data, enterprise pipeline data (deal size, stage, probability), and churn rates. Your task is to build a dynamic Excel model that forecasts MRR usin…
- Excel Modeling
- Vba Programming
- Monte Carlo Simulation
Spreadsheet Modeling and VBA - AnalysisAdvancedNew
Behavioral Strategy Audit for a SaaS Scale-Up
You are a behavioral strategy analyst. Review DataSync's recent pricing decisions, sales pipeline reviews, and customer renewal data. Conduct interviews (simulated via provided …
- Behavioral Economics
- Decision Making
- Cognitive Bias
Strategic Foresight and Decision-Making - Browse challenges
Explore role
Product Manager
Ship product that solves real user problems. Combine user research, prototyping, and stakeholder alignment to turn ambiguous briefs into measurable wins — the role at the centre of modern software teams.
- AnalysisAdvancedNew
Predict Customer Churn for a Telecom Company
You are a business analyst at ConnectTel. Using the provided dataset, conduct exploratory data analysis to understand churn patterns. Then, build a logistic regression model to …
- Logistic Regression
- Classification Metrics
- Feature Selection
Statistics for Business - AnalysisAdvancedNew
HR Analytics Dashboard for a 40-Person SaaS Scale-Up
You are given a simulated dataset with employee demographics, performance reviews, training records, and exit data. Your task is to build a prototype dashboard (using Excel, Tab…
- Hr Analytics
- Data Visualization
- Workforce Planning
Strategic Human Resource Management - StrategyAdvancedNew
Internationalization Strategy for a Lagos D2C Cosmetics Brand
Your task is to analyze the attractiveness of three candidate regions (Southeast Asia, Middle East, North America) for GlowNative's expansion, recommend one, and design a detail…
- Market Analysis
- International Business
- Strategic Planning
Strategic Management (Graduate) - AnalysisAdvancedNew
Climate Risk Stress Test for a Regional Bank
Your task is to develop a climate risk stress test framework for the bank's commercial loan book. Deliver a scenario analysis (2-3 scenarios), a methodology to estimate probabil…
- Climate Risk
- Stress Testing
- Scenario Analysis
Sustainable Finance and Impact Investing Build a verifiable portfolio.
Submissions become evidence. Reviewers with shipping experience score against a rubric; the result becomes a credential anyone can verify.
Why Ewance
- CodeAdvancedNew
LLM-Powered FAQ Chatbot for 40-Person SaaS Scale-up
You have access to TaskFlow's internal documentation, help articles, and a sample of 500 support tickets. Your task is to build a retrieval-augmented generation (RAG) pipeline: …
- Llm
- Rag
- Information Retrieval
Text Analytics and Natural Language Processing - AnalysisAdvancedNew
Optimize UHNW Client Portfolio for Tax Efficiency
Analyze the client's current portfolio (provided in a data sheet) and identify tax-inefficient holdings. Recommend a reallocation across jurisdictions (Switzerland, Luxembourg, …
- Tax Optimization
- Asset Allocation
- Cross Border Compliance
Wealth Management - CodeAdvancedNew
Java EE Backend for Sustainable Fashion Marketplace
You are to build a RESTful API for EcoThreads using Java EE (Servlets, JPA, and MySQL). The API must support CRUD operations for products (with categories, sustainability rating…
- Java Ee
- Rest Api
- Jpa
Web and Mobile Application Development
How it works
From brief to credential, in six steps.
Step 01
Browse challenges aligned to your studies.
Step 02
Accept the one that fits your goals.
Step 03
Work through it with AI Copilot guidance.
Step 04
Submit for structured evaluation.
Step 05
Earn a verified credential.
Step 06
Add it to LinkedIn with one click.
Industry teams behind a decade of practitioner briefs
Hiring from this pool?
Sponsor a challenge and meet candidates through actual work.
Industry teams can shape briefs around the skills they hire for, then evaluate students on rubric-scored deliverables — not resumes.