Analysis Challenges
Diagnose, segment, model — turn a real situation into a sharp recommendation.
- AnalysisBeginnerNew
Developer-Experience Audit of a Public REST API
Using only the four provided materials, audit the version 3 candidate API as if you were a first-time developer. Read the audit charter ('audit_brief') to understand the foundat…
- Developer Experience
- API Design
- Documentation
Open coursework - AnalysisSeniorNew
Amortized-Analysis Investigation of a Production Telemetry Cache
Working only from the three provided materials — the de-identified incident record (incident-record), the representative cache source module (cache-source), and the recorded ope…
- Amortized Analysis
- Data Structures
- Algorithm Analysis
Open coursework - AnalysisSeniorNew
Spike Three Multiplayer Backend Patterns and Recommend One
Using the gameplay-shape specification, the starter server module, and the simulated player-input traces provided to you, implement minimal but faithful versions of all three ne…
- Realtime Systems
- Architecture Spike
- Networking Patterns
Open coursework - 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
- Image Classification
- Image Preprocessing
Open coursework 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
Bookkeeping Reset for a Lisbon Specialty Coffee Roaster
Work only from the transaction log provided as a CSV (the 'Café Atlântico quarterly transaction log'). For each of the roughly 60 to 80 transactions, write a double-entry journa…
- Double Entry Bookkeeping
- Journal Entries
- Trial Balance
Open coursework - AnalysisBeginnerNew
Author a Ubiquitous-Language Glossary for a Telco Billing Domain
Conduct 12 structured interviews (30 min each) with stakeholders across CRM, billing, AR, customer portal, and finance. Capture each team's terminology for the top 25 domain con…
- Ubiquitous Language
- Context Mapping
- Stakeholder Interviews
Domain-Driven Design - AnalysisIntermediateNew
Halve a Daily Spark Bill Without Breaking the SLA
Work only from the materials in this file. Read the representative PySpark module (PULSE-JOB) and the cluster configuration (PULSE-CLUSTER) to understand how the nightly job is …
- Spark
- Cost Optimization
- Etl Pipelines
Open coursework - AnalysisBeginnerNew
Impact Measurement for a San Francisco D2C Cosmetics Brand
Your task is to develop a comprehensive impact measurement framework for GlowRoot. You will identify relevant metrics (e.g., carbon footprint reduction, trees planted, customer …
- Impact Measurement
- Social Return On Investment
- Data Analysis
Social Entrepreneurship and Impact - 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.
- AnalysisBeginnerNew
Decode Reddit Sentiment for EcoWear's Biodegradable Sneaker Launch
Working only from the provided materials, reconstruct and interpret the public conversation around EcoWear's launch. Use the EcoWear Launch Dossier to ground yourself in the tim…
- Web Scraping
- Sentiment Analysis
- Topic Modeling
Open coursework - AnalysisBeginnerNew
Audit a Linux Distribution for Setuid Binary Risk
Mount the provided base image (Ubuntu 22.04 LTS derivative) and inventory all setuid + setgid binaries. For each, classify into 4 buckets: legitimately needed, replaceable with …
- Os Security
- Linux Administration
- Setuid Analysis
Open coursework - AnalysisIntermediateNew
Continuous Delivery Maturity Audit for a Fintech Backend
Collect 8 weeks of deployment data (lead time for changes, deployment frequency, change-failure rate, mean time to restore) per team using their GitHub Actions + Jira + PagerDut…
- Continuous Delivery
- Dora Metrics
- Ci Cd
Agile Methods and Practices - AnalysisBeginnerNew
Run an A/B Test on Two System Prompts for a Sales Email Assistant
You will (1) design the A/B test (random assignment by rep_id, 50/50 split, 2-week duration), (2) instrument three primary metrics: reply rate (event-based), average tokens per …
- Prompt Evaluation
- Ab Testing
- Metric Design
Open coursework 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
Workforce Readiness Case File for a SaaS Sales Pivot
Working only from the two items in your provided materials — the longitudinal workforce records file and the chief executive's transition memo — examine whether Halyard's people…
- Hr Analytics
- Data Visualization
- Workforce Planning
Open coursework - AnalysisIntermediateNew
Capacity Planning Model for a Black-Friday Traffic Surge
Pull 18 months of per-service request rate + utilization from Prometheus. Forecast BFCM traffic per service using a baseline + multiplicative seasonal model (Prophet or statsmod…
- Capacity Planning
- Forecasting
- Autoscaling
Site Reliability Engineering - AnalysisIntermediateNew
ISO/IEC 25010 Quality Self-Assessment for a Flight-Management Module
Work only from the four materials you are given: the module technical dossier, the defect-history dataset, the customer's quality-report template, and the engineer interview not…
- Iso 25010
- Quality Assessment
- Do 178c
Open coursework - AnalysisBeginnerNew
Refit a Pricing Model for an Insurance Comparison Site
You receive 9 months of quote-impression data (about 14 million events) with about 60 features and click labels. Refit logistic regression with elastic-net regularization plus a…
- Regularized Regression
- Feature Interactions
- Calibration
Statistical Machine Learning - 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 - AnalysisIntermediateNew
IT Consulting Engagement: Cost-Out Diagnostic for a Logistics Group
Receive an anonymized spend cube (vendor, category, country, contract end date), an infra utilization extract (compute, storage, network), and the application portfolio. Conduct…
- It Consulting
- Cost Analysis
- Vendor Management
IT Management and Governance - AnalysisBeginnerNew
Value a Johannesburg Direct-to-Consumer Skincare Startup
Using the company data room, the comparable funding-rounds dataset, and the founder's investment memo provided to you, value the company with at least two independent methods: t…
- Startup Valuation
- Term Sheet Analysis
- Financial Modeling
Open coursework - AnalysisBeginnerNew
Community Detection on a Pharma Clinical-Trial Investigator Graph
You receive a pre-fetched dump of around 15,000 trials from a public registry covering oncology over the last 10 years and a mapping of trials to investigator names + institutio…
- Community Detection
- Louvain
- Leiden
Open coursework - AnalysisIntermediateNew
Tort Liability in a Food Delivery Platform Incident
You are a junior associate at a law firm representing QuickBite. Your supervising partner asks you to prepare a legal analysis of the claims against QuickBite. You must assess w…
- Tort Law
- Vicarious Liability
- Product Liability
Business and Commercial Law - 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
- Cross Border Compliance
Open coursework - AnalysisIntermediateNew
Simulate Hospital Bed Allocation for a Healthtech Decision Support Pilot
You receive 12 months of anonymized admissions and discharges data plus ward layouts (medicine, surgery, ICU, geriatrics) and a small set of clinical transfer rules. Build a dis…
- Discrete Event Simulation
- Simpy
- Policy Comparison
Decision Support Systems and Decision Analysis - 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
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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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