Analysis Challenges
Diagnose, segment, model — turn a real situation into a sharp recommendation.
- AnalysisBeginnerNew
Tax Strategy for a Copenhagen D2C Cosmetics Startup
Your task is to research the EU VAT rules for cross-border e-commerce, including the One Stop Shop (OSS) scheme. You must evaluate the tax rates in Denmark, France, Italy, and S…
- Tax Analysis
- EU Vat
- Cross Border Ecommerce
Public Economics and Policy - AnalysisIntermediateNew
OSS License Audit and Remediation Plan for a Series-B Dev-Tools Startup
Receive an SBOM (Software Bill of Materials) from the build pipeline (CycloneDX JSON) for 14 services and 3 SDKs. Run automated classification (Syft + ScanCode or FOSSA), then m…
- Oss Licensing
- Sbom
- Supply Chain Optimization
Open Source Contribution and Maintainership - AnalysisIntermediateNew
Resilience Analysis of a National Power-Distribution Network
Receive an anonymized topology of the medium-voltage network (4,200 nodes, 4,800 edges, each edge with capacity + age + redundancy flag). Build the network in NetworkX, compute …
- Network Science
- Graph Analysis
- Resilience Analysis
Network Science and Computational Social Science - AnalysisIntermediateNew
Pricing Strategy for a B2B SaaS Scale-Up
Your task is to analyze TaskFlow's current pricing, customer segments, and willingness to pay, then propose a tiered pricing model with clear feature differentiation. Constraint…
- Pricing Strategy & Elasticity
- Segmentation
- Financial Analysis
Management Consulting Develop in-demand professional skills.
Each challenge names the skills it strengthens. Over time, your profile fills with the competences a hiring manager would actually look for.
Why Ewance
- AnalysisBeginnerNew
Assessing Credit Risk in a Corporate Bond Issuance
Your task is to perform a credit analysis using the company's financial data (provided: income statement, balance sheet, cash flow) and industry benchmarks. Calculate key credit…
- Credit Analysis
- Financial Statement Analysis
- Bond Covenants
Fixed Income and Bond Markets - AnalysisIntermediateNew
Run a Pre-Deployment Fairness + Drift Audit on a Hiring Model
You receive a trained classifier (joblib), the training data sample, and a held-out 'next-month' evaluation set. Compute group fairness metrics (false-positive-rate gap, true-po…
- Fairness Metrics
- Drift Detection
- Bias Mitigation
Machine Learning in Practice - AnalysisBeginnerNew
Map Creator Communities for a Short-Form Video Platform
You receive a 90-day sample of about 4 million creator-creator interactions (duets, mentions, audience overlap) and creator metadata (region, language, content tag). Build a cre…
- Network Analysis
- Community Detection
- Graph Visualization
Social Network Analysis and Web Science - AnalysisIntermediateNew
Impairment Testing for a Retail Chain
Your task is to review management's goodwill impairment analysis for GreenLeaf Grocers. You must assess the reasonableness of key assumptions: revenue growth rate (3% perpetuity…
- Impairment Testing
- Discounted Cash Flow
- Goodwill
Financial Accounting and Reporting - Browse challenges
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Pricing Strategist
Set the price that captures value without leaving sales on the table. Demand modelling, willingness-to-pay research, and the disciplined experimentation that turns pricing into a competitive advantage.
- AnalysisSeniorNew
Diagnose and Fix Query-Planner Misestimates in a FinTech Warehouse
For each of the 6 queries, capture EXPLAIN (ANALYZE, BUFFERS) and compare estimated vs actual rows at each node. Identify the misestimate source per query (single-column stats s…
- Query Optimization
- Postgresql Planner
- Extended Statistics
Advanced Database Systems - AnalysisIntermediateNew
Predictive Maintenance for Smart Factory Conveyors
Your task is to design a predictive maintenance system for AutoParts' conveyor belts. Use vibration and temperature sensors to monitor motor health. Data should be processed at …
- Predictive Maintenance
- Sensor Deployment
- Edge Computing
Internet of Things and Smart Systems - AnalysisBeginnerNew
Liquidity Risk Management for a Regional Bank
Your task is to create a liquidity risk management plan for Heartland Bank. First, calculate the Liquidity Coverage Ratio (LCR) and Net Stable Funding Ratio (NSFR) using the ban…
- Liquidity Risk
- Lcr
- Nsfr
Banking and Financial Institutions - AnalysisBeginnerNew
Currency Hedging for an Austin D2C Cosmetics Brand
You are a junior financial analyst at GlowAustin. The CFO has asked you to prepare a hedging proposal for the next fiscal year. You must: (1) quantify the net exposure in EUR an…
- Fx Risk Management
- Financial Analysis
- Exotic Derivatives
Global Economy and Macroeconomics for Managers Get recognized by recruiters and employers.
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Why Ewance
- AnalysisFoundationalNew
Bookkeeping Reset for a Lisbon Specialty Coffee Roaster
Using the supplied transaction log (provided as a CSV), record each item using double-entry bookkeeping in a journal, post to a general ledger, and prepare an unadjusted trial b…
- Double Entry Bookkeeping
- Journal Entries
- Trial Balance Preparation
Financial Accounting - AnalysisBeginnerNew
Transfer Pricing for a Mumbai D2C Cosmetics Startup
Your task is to recommend a transfer pricing method (e.g., market-based, cost-plus, or negotiated) for the sale of products from France to Spain. Provide a detailed analysis of …
- Transfer Pricing
- Tax Analysis
- Managerial Accounting
Managerial Accounting - AnalysisBeginnerNew
Right-Size a Real-Time Recommendation Serving Cluster
You receive 7 days of request-level telemetry (timestamp, latency, error code, pod) plus the existing Horizontal Pod Autoscaler (HPA) and node-group configs. Analyze traffic pat…
- Model Serving
- Kubernetes Orchestration
- Autoscaling
Machine Learning at Scale - AnalysisBeginnerNew
Valuing a Lisbon D2C Cosmetics Startup for Series A
Your task is to value GlowLisboa using a DCF model and a market multiples approach. You have access to the startup's financial statements, industry benchmarks, and market data. …
- DCF Valuation
- Capm
- Comparable Company Analysis
Investments and Asset Pricing - AnalysisIntermediateNew
Reverse-Engineer a 22-Year-Old COBOL Batch Pipeline
Use SonarQube + cobol-language tooling + JCL parsers to extract job dependencies and data-flow across the 140 jobs. Build a job-dependency graph (Graphviz). Run impact analysis:…
- Reverse Engineering
- Legacy Systems
- Dependency Analysis
Software Evolution and Maintenance - AnalysisBeginnerNew
Analyze a Learning-Analytics Dataset for At-Risk Detection
You receive an anonymized dataset of LMS engagement features (logins, assignment submissions, forum posts, video-watch time), grade history, and a binary label for end-of-semest…
- Learning Analytics
- Classification
- Fairness Metrics
AI in Education and Learning Analytics - AnalysisBeginnerNew
Cost-Model a Foundation-Model API Migration
You receive: 90 days of API logs (request volume, token distributions), the customer's golden eval set of 200 prompts, the incumbent and new pricing schedules, and quality ratin…
- Cost Modeling
- Ai Workforce Strategy
- Model Evaluation
AI for Business and AI Product Management - 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
Run a Red-Team Exercise on a Cloud-Native Microservices Platform
Receive a scoped engagement letter (in-scope: 6 microservices and their CI/CD pipelines; out-of-scope: customer-data exfiltration beyond proof-of-access), the architecture diagr…
- Red Team Operations
- Kubernetes Security
- Lateral Movement
Computer Systems Security - AnalysisIntermediateNew
Optimizing Portfolio for a Swiss Fintech Startup
Your task is to design a diversified portfolio of up to 8 ETFs from a provided universe of 10, maximizing the Sharpe ratio. You must present a clear rationale for your asset sel…
- Portfolio Optimization
- Modern Portfolio Theory
- Sharpe Ratio
Investment Analysis and Portfolio Management - AnalysisIntermediateNew
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 Modeling
- Cross Border Compliance
Wealth Management - AnalysisIntermediateNew
Commodity Hedging for a Swiss Chocolate Manufacturer
You are a derivatives analyst at ChocoSuisse. Using historical and current futures prices for cocoa and sugar, design a hedging strategy that covers at least 80% of the commodit…
- Commodity Hedging
- Futures
- Options Strategies
Derivatives and Risk Management
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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.
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