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
- AnalysisIntermediateNew
DeFi Lending Protocol Risk Assessment
You are tasked with producing a risk assessment report for the fund's investment committee. Analyze the protocol's smart contract audits (e.g., from Trail of Bits or OpenZeppeli…
- Defi Analysis
- Smart Contract Audit
- Risk Management
Fintech and Digital Finance - AnalysisIntermediateNew
Optimizing Bond Portfolio for a German Pension Fund
Your task is to analyze the current bond portfolio (provided in a dataset), calculate key risk metrics (duration, convexity, yield to maturity), and recommend a new allocation t…
- Bond Valuation
- Duration Analysis
- Convexity
Fixed Income and Bond Markets - AnalysisIntermediateNew
Macroeconomic Forecast for a Renewable Energy Investment Firm
You are a junior strategist at GreenCap. Using historical data (10+ years) from Eurostat and the Bank of Spain, develop a VAR or similar model to forecast GDP growth, electricit…
- Multivariate Time Series
- Var Modeling
- Scenario Analysis
Forecasting for Decision Making - AnalysisIntermediateNew
Reshoring Strategy for a German Medical Device Manufacturer
Your task is to analyze the current single-source dependency, evaluate at least two alternative sourcing regions (e.g., Czech Republic, Poland, or domestic German suppliers), an…
- Supply Chain Network Design
- Total Cost Of Ownership
- Risk Assessment
Global Supply Chain Management Practice your coursework on real scenarios.
Every challenge is shaped from real-world context — not generic exercises. The work mirrors what your degree prepares you for.
Why Ewance
- StrategyIntermediateNew
Monetary Policy Impact on a SaaS Scale-Up's Expansion
You are a strategy consultant hired by DataFlow's CEO. Your task: (1) Analyze the current monetary policy stance of the Bank of England and at least two Southeast Asian central …
- Macroeconomic Analysis
- Monetary Policy
- International Finance
Global Economy and Macroeconomics for Managers - StrategyIntermediateNew
Consolidation Strategy for a SaaS Scale-Up with Multiple Acquisitions
Your task is to develop a consolidation framework for DataFlow Analytics Group. You will receive summary financial data for each entity, acquisition dates, purchase consideratio…
- Consolidation Methods
- Step Acquisitions
- Non Controlling Interest
Group Accounting and Consolidation - ResearchIntermediateNew
Field-Investigate Performance Practices for a SaaS Scale-up
Work only from the materials provided to you: the Northwind Signals company case-file, the anonymized employee engagement survey dataset, and Google's public re:Work performance…
- Performance Management
- Goal Setting
- Feedback Culture
Open coursework - StrategyIntermediateNew
Plan PayBridge's Cross-Border Payments Entry into Southeast Asia
Design a market entry proposal for PayBridge covering Indonesia and Vietnam, and recommend one entry mode — acquisition, partnership, or organic build. Ground every claim in the…
- Market Entry
- Game Theory
- Competitive Analysis
Open coursework - 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.
- DesignIntermediateNew
Redesign DataFlow's Architecture for Enterprise Sales
Working only from the materials provided (the engineering dossier, the current-system technical specification, the enterprise prospect requirements brief, and the reliability an…
- Microservices
- Multi Tenancy
- Cloud Architecture
Open coursework - StrategyIntermediateNew
Field Study: Roadmapping TaskFlow's Move to Enterprise Sales
Acting as a technology management intern at TaskFlow, produce a 12-month roadmap that lets the company close three enterprise deals within six months without eroding satisfactio…
- Technology Roadmapping
- Resource Allocation
- Technical Debt
Open coursework
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.