Analysis Challenges
Diagnose, segment, model — turn a real situation into a sharp recommendation.
- AnalysisBeginnerNew
Build a Restoration Workflow for a Digital Heritage Archive
You receive 50 high-resolution scans of glass plates plus 3 reference 'gold' restorations done by a senior conservator. Design a reproducible workflow combining inpainting for s…
- Image Restoration
- Inpainting
- Tone Mapping
Image Processing and Computational Imaging - AnalysisSeniorNew
Social Listening for a B2B SaaS Brand Reputation
Your task is to perform a social listening analysis for CloudSync over the past 3 months. Constraints: use only free or trial versions of tools (e.g., Brandwatch, Talkwalker, or…
- Social Listening
- Sentiment Analysis
- Reputation Management
Social Media Marketing - AnalysisBeginnerNew
Dynamic Pricing for a Vienna D2C Cosmetics Brand
Your task is to develop a dynamic pricing model for GlowVienna's top-selling serum. You must analyze historical sales data (provided), competitor pricing, and demand patterns. P…
- Pricing Strategy & Elasticity
- Demand Forecasting
- Data Analysis
Pricing and Revenue Management - AnalysisIntermediateNew
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…
- Spreadsheet Modeling
- Vba Programming
- Monte Carlo Simulation
Spreadsheet Modeling and VBA 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
- AnalysisFoundationalNew
ESG Reporting Gaps for a 40-Person SaaS Scale-up
You are an ESG analyst tasked with helping DataFlow prepare for enterprise client ESG requirements. Your deliverable is a materiality matrix, a set of key ESG indicators (KPIs),…
- Materiality Assessment
- ESG Metrics
- Sustainability Reporting
ESG and Sustainability Reporting - AnalysisIntermediateNew
Cost-Optimize a Misshapen Kubernetes Cluster
Receive 30 days of cluster metrics (Prometheus + AWS Cost Explorer exports), Helm releases, and PodDisruptionBudgets per namespace. Profile: identify the top 3 cost drivers (lik…
- Kubernetes Orchestration
- Finops & Cost Optimization
- AWS Or Azure
Cloud Computing - AnalysisBeginnerNew
Pricing Strategy for a Copenhagen D2C Cosmetics Startup
Your task is to design a pricing strategy for GlowCopenhagen's vitamin C serum. You have access to a dataset of competitor prices, customer purchase history, and a survey on wil…
- Game Theory
- Pricing Strategy & Elasticity
- Market Analysis
Industrial Economics and Game Theory - AnalysisBeginnerNew
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 - 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.
- AnalysisFoundationalNew
Cluster Climate-Tech SMB Customers for a Growth Team
You receive a CSV with company size, industry sub-vertical, country, product features adopted, monthly active users, and lifetime value. Standardize features, decide on a cluste…
- Unsupervised Learning
- Clustering
- Dimensionality Reduction
Machine Learning (Undergraduate) - AnalysisIntermediateNew
Redesign Transfer Pricing for a German Auto Supplier
Build a transfer pricing model for one EV component line (e.g., e-axle housing) flowing Germany → Hungary → Mexico → US OEM. Compare cost-plus, market-based, and negotiated appr…
- Transfer Pricing
- Managerial Accounting
- Tax Strategy
Advanced Management Accounting & Control - AnalysisIntermediateNew
Design a Custom Page-Replacement Policy for a Tier-1 Cloud Provider Simulator
Use the provided simulator (Python harness wrapping a C++ page-cache model) and the team's 3 anonymized workload traces (web-cache, key-value store, batch analytics). Implement …
- Memory Management
- Page Replacement
- Benchmarking
Operating Systems - AnalysisBeginnerNew
Cost of Capital and Capital Structure for a Renewable Energy Firm
Your task is to estimate GreenGrid's current cost of equity using CAPM (risk-free rate 2%, market risk premium 6%, beta 1.2), cost of debt (4.5% pre-tax), and tax rate (22%). Th…
- Wacc
- Capm
- Capital Structure Decisions
Corporate Finance 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
- 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
Detect Defects on a Production Line for a Tier-1 Auto Supplier
You receive 12,000 labelled grayscale part images (8,000 good, 4,000 defective across 6 defect types) at 2048x2048. Build a pipeline that does classical preprocessing (illuminat…
- Defect Detection
- Cnn Classification
- Image Preprocessing
Image Processing and Computational Imaging - AnalysisBeginnerNew
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 - AnalysisIntermediateNew
Portfolio Optimization for a Sustainable Fashion ETF
You are given monthly returns for 20 candidate stocks (5 years of data) and the risk-free rate. Your task is to select 15 stocks and compute the efficient frontier, the tangency…
- Black Litterman & Mean Variance Optimization
- Efficient Frontier
- Capm
Investments and Asset Pricing - AnalysisFoundationalNew
Contractual Pitfalls for an Austin D2C Cosmetics Startup
You are a junior legal consultant hired by GlowAustin. Your task is to analyze the current informal agreement (provided as email threads), identify gaps in offer, acceptance, co…
- Contract Analysis
- Legal Writing
- Risk Assessment
Business and Commercial Law - AnalysisIntermediateNew
Network Privacy Posture Review of a Fintech's Internal Service Mesh
Receive an anonymized service inventory (110 services with owner, data classification, traffic volume buckets) and a sample of east-west traffic logs (5 high-volume service pair…
- Network Privacy
- Mtls
- Service Mesh
Network Security - AnalysisBeginnerNew
GDPR Data Mapping and Privacy Impact Assessment for an E-Learning Platform
Using the provided system architecture and feature specification, deliver: (1) Complete data map showing all personal data flows (collection → processing → storage → deletion), …
- It Security
- Requirements Engineering
- Data Analytics
Open coursework - 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 - AnalysisBeginnerNew
Instruction Set Analysis for an Embedded Workload
Compile all 12 workload programs to both ISAs using the appropriate cross-compiler (GCC with -march=rv32e for RISC-V; provided proprietary toolchain for the in-house ISA). Repor…
- Instruction Sets
- Code Density
- Embedded Systems
Computer Architecture - AnalysisFoundationalNew
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 - AnalysisIntermediateNew
Randomized Load Balancer with the Power of Two Choices
Simulate four placement policies on a 24-hour anonymized connection-establishment trace (around 4.1 billion events): (1) random-1, (2) round-robin, (3) P2C with instantaneous lo…
- Power Of Two Choices
- Load Balancing
- Randomized Algorithms
Randomized Algorithms - AnalysisSeniorNew
Process Mining for Order-to-Cash in a Mid-Size Manufacturing Firm
Your task is to analyze the provided event log using process mining software (e.g., Disco, Celonis, or ProM). Discover the as-is process model, identify bottlenecks, rework loop…
- Process Mining
- Event Log Analysis
- Bpmn Modeling
Business Process Management
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.



















































































