Business Challenges
Marketing, strategy, operations, finance — the work an MBA or business degree prepares you for.
- StrategyAdvancedNew
Migrating from Relational to NoSQL for a Social Media Startup
You are given a simplified relational schema of SnapVibe's current database (users, posts, comments, likes). Your task is to: (1) analyze the limitations of the relational model…
- Nosql
- Mongodb
- Data Migration
Database Systems - DesignExpertNew
Designing a Data Warehouse for a Renewable Energy Firm
You are given sample data from three sources: energy production logs, weather data, and equipment maintenance records. Your task is to: (1) design a star schema with fact and di…
- Data Warehousing
- Star Schema
- Etl
Database Systems - AnalysisIntermediateNew
Churn Prediction for a Stockholm D2C Cosmetics Brand
You are a data science consultant hired by NordicGlow. Using the provided dataset (synthetic but realistic), you must preprocess the data, engineer features from transaction, cl…
- Data Preprocessing
- Feature Engineering
- Classification
Data Science for Business - AnalysisAdvancedNew
A/B Testing for a 40-Person SaaS Scale-up Moving to Enterprise
You are a data analyst at TaskFlow. You are given the raw A/B test data (visitor logs, conversions, and downstream sales data). Your task is to perform a rigorous analysis: chec…
- A B Testing
- Statistical Analysis
- Bayesian Methods
Data Science for Business 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
- DesignExpertNew
Dynamic Pricing Optimization for a Ride-Hailing Platform
You are a data scientist at CityRide. Using 6 months of historical trip data (pickup/dropoff, time, fare, surge multiplier), weather data, and local events calendar, you must bu…
- Reinforcement Learning
- Optimization
- Simulation
Data Science for Business - AnalysisIntermediateNew
Pricing Strategy for a Singapore D2C Cosmetics Brand
You are a decision analyst hired by Glow Singapore. The CEO wants to set the launch price for a new vitamin C serum. You have estimates of demand at three price points (S$25, S$…
- Decision Trees
- Sensitivity Analysis
- Expected Value
Decision Analysis under Uncertainty - AnalysisIntermediateNew
Hedging FX Risk for a Sydney D2C Cosmetics Brand
You are a risk management consultant hired by GlowSydney. Analyze the company's FX exposure using provided data on forecasted USD payables and AUD receivables. Recommend a hedgi…
- Fx Hedging
- Derivatives Pricing
- Financial Modeling
Derivatives and Risk Management - AnalysisAdvancedNew
Go-to-Market Strategy for a B2B SaaS Scale-up
You are a strategy consultant for TaskFlow. The company currently has 2000 self-serve customers (average $500/yr) and wants to target enterprise accounts (average $50k/yr). You …
- Decision Analysis
- Value Of Information
- Monte Carlo Simulation
Decision Analysis under Uncertainty - Browse challenges
Explore role
Strategy Analyst
Frame the business question, model the options, build the recommendation. From market sizing to competitive analysis, this role is where strategy consulting meets in-house decision-making.
- AnalysisAdvancedNew
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 - AnalysisExpertNew
Renewable Energy Investment Under Policy Uncertainty
You are a financial analyst at SunVest. The proposed solar farm has a capacity of 50 MW, construction cost €80M, and expected life 25 years. Key uncertainties: annual electricit…
- Real Options
- Monte Carlo Simulation
- Stochastic Modeling
Decision Analysis under Uncertainty - DesignExpertNew
Structuring an Interest Rate Swap for a UK Infrastructure Fund
You are a structured finance associate at a bank advising InfraBridge. Design a plain vanilla interest rate swap that converts the floating-rate liability to fixed. Provide the …
- Interest Rate Swaps
- Derivatives Pricing
- Credit Risk
Derivatives and Risk Management - DesignIntermediateNew
Redesigning Onboarding for a B2B SaaS Scale-Up
You are a design thinking consultant hired by Flowly. Your task is to conduct user research with enterprise prospects (use personas provided), ideate a new onboarding flow, prot…
- User Research
- Ideation
- Prototyping
Design Thinking and Innovation Get recognized by recruiters and employers.
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Why Ewance
- DesignAdvancedNew
Sustainable Packaging for a D2C Cosmetics Brand
You are a design thinking consultant for Glowly. Your task is to research customer attitudes toward sustainable packaging, brainstorm packaging alternatives, create prototypes (…
- Sustainable Design
- Packaging Engineering
- User Research
Design Thinking and Innovation - StrategyIntermediateNew
SEO Strategy for a Seoul D2C Cosmetics Brand
Your task is to create a comprehensive SEO strategy for GlowSeoul. Conduct keyword research using tools like Google Keyword Planner, analyze competitors, and propose on-page opt…
- Seo
- Keyword Research
- Content Strategy
Digital Marketing - DesignBeginnerNew
Improving Patient Intake for a Telehealth Startup
You are a design thinking consultant hired by MediConnect. Your task is to analyze the current intake flow, identify pain points through user research, ideate improvements, prot…
- User Research
- Ux Design
- Prototyping
Design Thinking and Innovation - DesignAdvancedNew
Social Media Campaign for a Sustainable Fashion Brand
Design a 4-week social media campaign for EcoThreads' new 'Reclaimed' line. Define target audience personas, create a content calendar with 12 posts, propose 3 influencer collab…
- Social Media Marketing
- Content Creation
- Influencer Marketing
Digital Marketing - AnalysisIntermediateNew
Mobile Marketing Strategy for a Food Delivery App
Develop a mobile marketing strategy for QuickBite to improve user retention. Analyze provided user behavior data (e.g., session frequency, order history) to segment users. Desig…
- Mobile Marketing
- User Segmentation
- Push Notifications
Digital Marketing - StrategyIntermediateNew
Platform Launch Strategy for a Lisbon D2C Cosmetics Startup
You are a digital strategy consultant hired by Brilho. Your task is to develop a 12-month platform launch strategy. Constraints: limited budget (€500k), a team of 10 engineers, …
- Platform Design
- Network Effects
- Business Modeling
Digital Strategy and Platforms - StrategyAdvancedNew
Scaling PLG to Enterprise: A 40-Person SaaS Scale-Up
You are a growth strategist at TaskFlow. Your task is to propose a strategy to acquire enterprise customers without alienating the existing PLG base. Constraints: limited sales …
- Product Led Growth
- Enterprise Sales
- Pricing Strategy
Digital Strategy and Platforms - StrategyExpertNew
Digital Transformation for a Traditional Swiss Watchmaker
You are a digital transformation lead at Horloge Suisse. Your task is to propose a digital platform strategy that enhances customer engagement and opens new revenue streams. Con…
- Digital Transformation
- Platform Ecosystems
- Blockchain
Digital Strategy and Platforms - StrategyIntermediateNew
Digital Transformation for a Barcelona D2C Cosmetics Brand
Your task is to create a 12-month digital transformation roadmap for the startup. You must analyze current digital maturity, propose specific technologies (e.g., Shopify Plus, K…
- Digital Transformation
- Omnichannel Strategy
- Change Management
Digital Transformation - AnalysisAdvancedNew
Platform Business Model for a 40-Person SaaS Scale-Up
Your task is to produce a feasibility analysis and a platform launch strategy. You must assess market demand, competitive landscape (e.g., Asana, Monday.com), and internal capab…
- Platform Business Models
- Api Economy
- Ecosystem Governance
Digital Transformation - DesignExpertNew
Digital Innovation Lab for a Regional Bank
Your task is to design a blueprint for the innovation lab. Define its structure (e.g., hub-and-spoke, virtual team), governance (e.g., stage-gate process), and funding model. Pr…
- Innovation Lab Design
- Regulatory Compliance
- Legacy System Integration
Digital Transformation - AnalysisBeginnerNew
Pricing Optimization for Seoul D2C Cosmetics
You are given a CSV with daily sales, price, ad spend, and competitor price for 3 products. Your task is to clean the data, run multiple linear regression to estimate demand ela…
- Linear Regression
- Hypothesis Testing
- Data Cleaning
Econometrics
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
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Sponsor a challenge and meet candidates through actual work.
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