Analysis Challenges
Diagnose, segment, model — turn a real situation into a sharp recommendation.
- AnalysisIntermediateNew
Technical-Debt Quantification for an Acquired SaaS
Run a static-analysis sweep (SonarQube + custom dependency scripts) and a 4-hour structured walkthrough with the acquired team's 3 senior engineers. Categorize debt into: code-q…
- Technical Debt
- Code Analysis
- Estimation
Software Evolution and Maintenance - AnalysisBeginnerNew
Predict Equipment Failure for a Wind-Farm Operator
You receive 18 months of SCADA (Supervisory Control and Data Acquisition — the standard turbine telemetry feed) data sampled every 10 minutes from all 240 turbines, with labeled…
- Classification
- Regularized Regression
- Gradient Boosting
Open coursework - AnalysisIntermediateNew
ODE Integrator Benchmark for a Pharma PK/PD Pipeline
Use SciPy's solve_ivp + SUNDIALS (via scikit-sundae or diffeqpy) to benchmark: RK45 (baseline), LSODA, BDF (CVODE), Radau, and Rosenbrock. Run on three model classes (insulin-gl…
- Numerical Odes
- Stiff Integrators
- Scientific Python
Scientific Computing and Numerical Methods - AnalysisIntermediateNew
Open-Source License Audit and 60-Day Remediation Plan for Lumen Observability
Work only from the four items in provided_materials. Start with the dependency inventory (the 'Lumen dependency inventory' dataset), which lists every open-source package, its d…
- Oss Licensing
- Sbom
- Supply Chain
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Each challenge names the skills it strengthens. Over time, your profile fills with the competences a hiring manager would actually look for.
Why Ewance
- 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 - AnalysisSeniorNew
Cyber-Physical Security Audit for a Connected-Building HVAC System
Audit one representative tower's BMS: enumerate BACnet devices (network discovery + capability inventory), identify lateral-movement paths (tenant wifi -> guest network -> BACne…
- Cyber Physical Systems
- Ot Security
- Risk Management
Internet of Things and Cyber-Physical Systems - AnalysisIntermediateNew
Mine Basket History to Justify Grocery Shelf-Adjacency Changes
Work only from the materials provided. Use the basket transactions extract to mine frequent itemsets with FP-growth, tuning the minimum support level separately for the food, ho…
- Frequent Itemset Mining
- Fp Growth
- Spark
Open coursework - AnalysisIntermediateNew
Secure-by-Design Review of a Microservices Auth Subsystem
Read the 18-page proposed auth-service design (Next.js BFF, FastAPI auth-service, Postgres for sessions + refresh, Redis for short-lived tokens, integration with Auth0 for OIDC)…
- Secure Design
- OWASP Asvs
- Oauth2
Software Security - Browse challenges
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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.
- AnalysisIntermediateNew
GPU Roofline Model Study for a Computer Vision Inference Workload
Construct empirical roofline plots for the current GPU (A100-class) and next-gen GPU (H100-class) using vendor-published peak FLOPs and measured peak memory bandwidth. Profile t…
- Gpu Architecture
- Roofline Model
- Performance Modeling
Open coursework - AnalysisBeginnerNew
Redesign GlowCycle's Subscription Pricing to Cut Skincare Churn
Using only the GlowCycle subscription dataset and the company context file provided with this challenge, design a new tiered subscription pricing structure that reduces monthly …
- Customer Segmentation
- Predictive Modeling
- Prescriptive Analytics
Open coursework - AnalysisBeginnerNew
Streamlining Returns for a Tokyo D2C Cosmetics Startup
Your task is to model the current (as-is) returns process in BPMN, analyze it for inefficiencies, and design a to-be process that automates key steps, reduces handling time by 5…
- Bpmn Modeling
- Process Analysis
- Bottleneck Identification
Open coursework - AnalysisBeginnerNew
Interpretable-by-Design GAM for an Insurer's Claims Triage
You receive an anonymized claims dataset (around 60,000 claims, target: log reserve), a feature schema (22 features), and an existing LightGBM baseline (held-out R^2 of 0.78). T…
- Generalized Additive Models
- Ebm
- Interpretability
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Why Ewance
- AnalysisIntermediateNew
Diagnose a Failed Microservices Migration at a Travel Platform
Using only the four supplied materials — the interview transcript excerpts (voyalink-interview-transcripts), the decision and incident artifact corpus (voyalink-artifact-corpus)…
- Industrial Case Study
- Qualitative Research
- Software Architecture
Open coursework - AnalysisBeginnerNew
Redesign Glow Naturals' Mumbai Last-Mile Delivery Network
Using the delivery records in 'GN-DELIVERY-LOG', the operational account in 'GN-OPS-FILE', and the unit costs and constraints in 'GN-COST-AND-CONSTRAINTS', diagnose where Glow N…
- Route Optimization
- Cost Benefit Analysis
- Supply Chain Design
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 - AnalysisBeginnerNew
Optimizing Last-Mile Delivery for a Vienna D2C Cosmetics Brand
As a logistics consultant, you must analyze Glow Naturals' current delivery data (provided in a simulated dataset), identify bottlenecks, and propose an optimized last-mile stra…
- Last Mile Delivery
- Cost Benefit Analysis
- Route Optimization
Open coursework - AnalysisBeginnerNew
Postmortem and Action-Item Tracking for a 3-Service Outage
Re-write the existing postmortem using the Google SRE blameless format: timeline (anchored to UTC), what went well, what went poorly, where we got lucky, action items (S.M.A.R.T…
- Postmortems
- Blameless Culture
- Action Item Tracking
Open coursework - AnalysisBeginnerNew
Transfer Pricing for a Lagos D2C Cosmetics Startup
You are a junior tax consultant hired by GlowLagos. Your task is to analyze the current intercompany transactions (raw material purchases, manufacturing fees, and royalty paymen…
- Transfer Pricing
- Benchmarking
- Functional Analysis
Open coursework - AnalysisIntermediateNew
Benchmark NPUs for an Autonomous Forklift Vision Stack
You receive ONNX exports of the 3 production models, a labeled validation set of 2,000 forklift-camera frames, and developer-kit access to three NPU candidates (anonymized as NP…
- Edge Inference
- Npu Benchmarking
- Onnx
Edge ML and On-Device Machine Learning - AnalysisBeginnerNew
Revenue Recognition for a SaaS Scale-Up
Your task is to produce a revenue recognition memo for the CloudSync contract. You must apply the ASC 606 five-step model, identify distinct performance obligations (software li…
- Revenue Recognition
- ASC 606
- Contract Analysis
Open coursework - 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
Open coursework - AnalysisIntermediateNew
Channel Partner Program for a Munich Industrial Sensor Manufacturer
Your task is to create a new channel partner program. You will analyze sales data from the past 2 years (provided in a CSV with 10,000 transactions) to identify top-performing p…
- B2B Marketing
- Channel Management
- Data Analysis
Open coursework - AnalysisIntermediateNew
Capacity Planning for a SaaS Scale-Up's Customer Support
Your task is to forecast ticket volumes based on enterprise growth projections, analyze current support capacity and performance, and propose a staffing plan that meets SLAs. Su…
- Capacity Planning
- Queuing Theory
- Workforce Management
Open coursework - AnalysisIntermediateNew
Forecast TaskFlow's Recurring Revenue Through Its Enterprise Pivot
Investigate only the three TaskFlow records provided plus the public methodology reference: the self-serve subscription history (self_serve_mrr), the enterprise sales pipeline (…
- Excel Modeling
- Vba Programming
- Monte Carlo Simulation
Open coursework
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Accept the one that fits your goals.
Step 03
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