Beginner Challenges
Real-world scenarios at the beginner level. Earn verified credentials as you practice the work your degree prepares you for.
- CodeBeginnerNew
Build a Multi-Level Feedback Queue Scheduler in xv6
Fork the xv6-riscv repository and implement MLFQ in proc.c with 3 priority queues, per-queue time slices (10ms / 20ms / 40ms), priority demotion on slice exhaustion, and a 100ms…
- Operating Systems
- Scheduling
- C Programming
Operating Systems - 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
Open coursework - CodeBeginnerNew
Build a Booking Web App for a Boutique Hotel Group
Design the data model (properties, rooms, availability, bookings, guests). Build the Next.js app with the App Router: 4 public pages (search, results, room detail, checkout), 1 …
- Nextjs
- React
- REST API
Web Application Development - StrategyBeginnerNew
Investigate GlowToronto's Pricing to Rebuild Margins
Develop a pricing strategy for GlowToronto's core product line of serums and moisturizers. Begin by analysing the provided GlowToronto transaction dataset to understand how disc…
- Pricing Strategy
- Customer Segmentation
- Competitive Analysis
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- StrategyBeginnerNew
Rebuild Rheinische Post's Digital Revenue Model in 12 Months
Using only the de-identified internal record (rp-case-file) and the monthly audience-and-revenue history (rp-metrics), map Rheinische Post's current business model on a Business…
- Business Model Canvas
- Digital Transformation
- Value Proposition Design
Open coursework - AnalysisBeginnerNew
Optimize Capital Structure for an Austin Cosmetics Startup
Using the company financial profile and the comparable-companies dataset provided to you, model how different debt-to-equity mixes change the firm's weighted average cost of cap…
- Capital Structure Analysis
- Wacc Calculation
- Modigliani Miller
Open coursework - 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 - StrategyBeginnerNew
Reposition a 50-Year-Old German Gummy Maker for Gen Z
Using the four provided materials, develop a repositioning strategy and present it as a decision-ready package. Read the company case file to understand the heritage, portfolio,…
- Strategic Marketing
- Segmentation Targeting Positioning
- Marketing Mix
Open coursework - 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.
- StrategyBeginnerNew
Designing Spotify's Post-Profitability Payout Policy
Build a 3-year forecast of Spotify's free cash flow to equity and surplus cash position under base and downside cases. Benchmark payout ratios, buyback yields, and net leverage …
- Payout Policy
- Fcfe Modeling
- Peer Benchmarking
Open coursework - StrategyBeginnerNew
Design Wealthsimple's Innovation Ecosystem Strategy
Using only the materials provided, examine Wealthsimple's current ability to innovate and decide what kind of innovation ecosystem it should build. Read the innovation audit mem…
- Ecosystem Mapping
- Open Innovation
- Corporate Venturing
Open coursework - CodeBeginnerNew
Reduce Dimensionality on Sensor Streams for a Mid-Cap Robotics OEM
You receive 120 robot-hours of windowed sensor data (5s windows, 240 channels) with labels for normal vs. one of four fault classes. Implement (1) PCA, (2) kernel PCA with an RB…
- Dimensionality Reduction
- Kernel Methods
- Autoencoders
Machine Learning - CodeBeginnerNew
Build a Fairness Evaluation Harness for a Credit-Score Model
Implement a Python module that, given model predictions, ground truth, and group identifiers, computes demographic parity difference, equal-opportunity difference, predictive-pa…
- Algorithmic Fairness
- Statistical Evaluation
- Python
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- AnalysisBeginnerNew
Acquisition of a Bangalore D2C Cosmetics Startup
As a junior M&A analyst at BeautyCo, you must assess GlowUp's business model, financials, and market position. You need to conduct a valuation using DCF and comparable company a…
- Financial Analysis
- Valuation
- Due Diligence
Open coursework - AnalysisBeginnerNew
Optimize Hyperparameters with Bayesian Optimization on a Tight Budget
You receive a B2B-SaaS churn dataset (about 12,000 customer-month rows, 38 features) and a fixed sweep budget of 40 trials per model family. Implement a Bayesian optimizer (Optu…
- Bayesian Optimization
- Hyperparameter Tuning
- Ensemble Methods
Advanced Machine Learning - StrategyBeginnerNew
Design a Three-Tier Pricing Proposal for an Observability Startup
Using the anonymized customer export and the current-pricing memo in the provided materials, design a replacement pricing model and prove it pays. First, analyze the 80 customer…
- Pricing Strategy
- Packaging
- Financial Modeling
Open coursework - CodeBeginnerNew
Plan Safe Paths for a Last-Mile Sidewalk Robot
You receive 4 hours of recorded sidewalk traversals with annotated pedestrian tracks, occupancy grids, and a map of the pilot neighborhood. Implement a sampling-based planner (R…
- Motion Planning
- Sampling Based Planning
- Cost Function Design
Open coursework - StrategyBeginnerNew
Key Account Strategy for a Dublin B2B SaaS Scale-up
Your task is to develop a comprehensive key account strategy. You will analyze the company's current PLG strengths and identify gaps for enterprise sales. Define a scoring syste…
- B2B Marketing
- Key Account Management
- Market Segmentation
Business-to-Business Marketing - StrategyBeginnerNew
Negotiate a Retail Alliance for a Seoul Skincare Brand
Using only the materials provided, build a negotiation strategy that Soo-jin Park can take into talks with Daehan Drug Mart. Read the partnership file to understand the relation…
- Batna Analysis
- Distributive Bargaining
- Integrative Negotiation
Open coursework - DesignBeginnerNew
Design a Real-Time 3D Bag Configurator for Milan Brand
Produce a design proposal for an in-browser 3D bag configurator and justify every major decision against the materials provided. Use the reference 3D bag model (a real public gl…
- Webgl
- 3d Rendering
- Shading And Lighting
Open coursework - AnalysisBeginnerNew
Build a Topic-Modeling Pipeline for Citizen Feedback
Take the 60,000 comments (anonymized). Build a BERTopic pipeline with multilingual sentence embeddings (Catalan + Spanish + occasional English). Tune number-of-topics via topic-…
- Topic Modeling
- Bertopic
- Multilingual NLP
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 - StrategyBeginnerNew
Launch Plan for GlowSF, a San Francisco Skincare Startup
Working only from the materials provided to you, build a six-month launch plan for GlowSF. Start with the GlowSF Founder Dossier to anchor the budget, product line, and constrai…
- Market Segmentation
- Targeting
- Positioning
Open coursework - StrategyBeginnerNew
Hedge Fund Strategy for a Family Office Investing in Private Debt
Your task is to produce a comprehensive investment memo that recommends a specific private debt hedge fund strategy for the family office. Include a comparative analysis of the …
- Private Debt
- Hedge Fund Structures
- Due Diligence
Hedge Funds and Alternative Investments - DesignBeginnerNew
Design a Fully Digital Onboarding Journey for a Wealth App
Using the current-onboarding funnel readout, the regulatory requirements brief, and the target-client persona file provided in the materials, design a mobile-first onboarding jo…
- User Experience Design
- Fintech Compliance
- Cost Benefit Analysis
Open coursework
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Step 01
Browse challenges aligned to your studies.
Step 02
Accept the one that fits your goals.
Step 03
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Step 04
Submit for structured evaluation.
Step 05
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