Real-World Challenges Aligned to Your Coursework
Real scenarios from business, engineering, design, and analysis. Practice the work your degree prepares you for, earn verified credentials, build a portfolio recruiters can verify.
- CodeBeginnerNew
Quantize a Vision Model for a Smart-Doorbell SoC
You receive a trained FP32 PyTorch person-detector (mAP 0.74 on a 5k validation set) plus a calibration dataset of 500 unlabeled doorbell frames. Convert to ONNX, then apply pos…
- Quantization
- Model Optimization
- Onnx Optimization
Edge ML and On-Device Machine Learning - AnalysisBeginnerNew
Audit Encryption Choices for an E-Commerce Checkout Stack
Receive the architecture diagram (Next.js on Vercel, PostgreSQL on a managed service, Stripe-equivalent processor, Redis sessions), the TLS configurations for each public endpoi…
- Cryptography
- Tls
- Pci Dss
Introduction to Computer Security - AnalysisBeginnerNew
Consolidation of a New York D2C Cosmetics Startup with a French Subsidiary
Your task is to produce a full consolidation package for GlowUp Naturals Group. You will receive the trial balances of both entities, details of intercompany transactions (inclu…
- IFRS Consolidation
- Intercompany Elimination
- Non Controlling Interest
Group Accounting and Consolidation - ResearchIntermediateNew
Explore the Bias-Variance Trade-off on a Tabular Healthcare Cohort
You receive a 90,000-patient anonymized de-identified tabular dataset (demographics, labs, claims-derived features) and a binary 12-month-readmission outcome. Pick three model f…
- Bias Variance Tradeoff
- Regularization
- Model Selection
Machine Learning 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.
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- CodeSeniorNew
Digital Human Avatar Pipeline for a Conferencing Product
Build a Python pipeline: face detection + landmark extraction, FLAME (or equivalent) face-model fitting to landmarks + photometric loss, texture inference, and skinning weight a…
- Digital Humans
- Geometry Processing
- 3d Rendering
Advanced Computer Graphics - DesignSeniorNew
International HR Policy for a Sustainable Fashion Brand Expanding to Asia
Your team (3-4 students) will research labor laws and cultural dimensions in Vietnam and Japan, then propose a comprehensive international HR policy document. The policy must co…
- International Hrm
- Cross Cultural Management
- Compensation And Benefits
Strategic Human Resource Management - AnalysisBeginnerNew
Stress-Test a Hiring-Funnel Model for Bias
You receive a synthetic-but-realistic dataset of 25,000 past applicants with features (years of experience, education tier, prior role tags) and outcome labels (advanced past th…
- Model Evaluation
- Fairness Metrics
- Logistic Regression
Machine Learning (Undergraduate) - CodeBeginnerNew
Design a Domain Model for a Library Loan System (Java)
Implement, in Java 21, an Item type hierarchy (Book, AudioBook, Periodical, EquipmentLoan — each with sub-type-specific rules), Member with eligibility logic, Loan as an aggrega…
- Python Or Javascript
- Oo Design
- Domain Modeling
Object-Oriented Programming and Design - 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.
- DesignSeniorNew
Designing a Feedback Culture for a Remote-First Sustainable Fashion Brand
Research best practices in feedback culture from business psychology (e.g., feedback orientation, psychological safety). Design a feedback system that includes tools, training, …
- Feedback Culture
- Psychological Safety
- Remote Work
Business and Industrial Psychology - ResearchSeniorNew
Investigate Scaling Trends on a Small Open Benchmark
You will train 4 transformer language models (10M, 50M, 200M, 600M parameters) on a public pretraining corpus (e.g., a small subset of FineWeb or OpenWebText) under identical op…
- Scaling Laws
- Transformer Pretraining
- Compute Optimal Training
Large Language Models - StrategyIntermediateNew
Build a Lean MVP for a Climate-Adaptation SaaS
Frame the MVP using Build-Measure-Learn: what's the minimum product that lets you test the riskiest assumption (likely: will SMEs pay annually vs per-event for parametric flood …
- Lean Startup
- Venture Building
- Mvp Design
Innovation and Entrepreneurship for CS - 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
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- DesignIntermediateNew
NSGA-II Multi-Objective Design for an Edtech Curriculum Recommender
You receive a synthetic student cohort (300 students with skill profiles), a content catalog (around 1,200 items with difficulty + duration + topic tags), and a simulator that e…
- Nsga Ii
- Multi Objective Optimization
- Metaheuristics
Evolutionary Computation and Metaheuristic Search - AnalysisIntermediateNew
ISO 25010 Self-Assessment for an Aerospace Avionics Vendor
Read the module's documentation (architecture, requirements, test reports, defect history). For each of 8 ISO 25010 characteristics (functional suitability, performance efficien…
- Iso 25010
- Quality Assessment
- Do 178c
Software Quality and Process Improvement - DesignBeginnerNew
Develop a Digital Onboarding Strategy for Next-Gen Wealth
Map the current onboarding funnel (provided) and identify friction points. Propose a redesigned digital flow with specific features (e.g., document upload via OCR, e-signature, …
- User Experience Design
- Fintech Compliance
- Cost Benefit Analysis
Wealth Management - CodeBeginnerNew
Stack Five Models for a Kaggle-Style Forecasting Bake-Off
You receive a pseudonymized dataset of 24 months of daily shipment volumes across about 200 origin-destination lanes plus weather and holiday features. Train 5 base models, use …
- Ensemble Methods
- Time Series Forecasting
- Feature Engineering
Advanced Machine Learning - 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 - AnalysisBeginnerNew
Lease Accounting for a Restaurant Chain
Your team's task is to implement ASC 842 for Taco Fresco's 50 leases. You have a spreadsheet with lease data: commencement dates, terms, renewal options, annual rent (including …
- Lease Accounting
- ASC 842
- Present Value
Financial Accounting and Reporting - CodeIntermediateNew
Scale Feature Pipelines for a Hyperscaler Search-Ranking Team
You receive a synthetic-but-realistic 80 GB sample of the ranking events plus the existing Spark pipeline (PySpark) and a Spark UI snapshot from a recent production run. Profile…
- Apache Spark
- Distributed Systems Design
- Performance Profiling
Machine Learning at Scale - CodeIntermediateNew
Refactor a Reckless Inadvertent Debt Hotspot
Read the class + git blame to map its responsibilities. Write characterization tests (using approval testing) until you can change behaviour without surprise — target at least 7…
- Refactoring
- Mikado Method
- Characterization Testing
Technical Debt Management - ResearchIntermediateNew
Testing Market Efficiency in European Tech IPOs
Your task is to collect daily stock prices for 30 European tech IPOs from the first 60 trading days post-listing. Compute cumulative abnormal returns (CAR) using a market model …
- Event Study
- Abnormal Returns
- Market Model
Investments and Asset Pricing - CodeSeniorNew
PPO Alignment Loop with a Pretrained Reward Model
You receive a small open-weights base model (around 7B), a previously trained reward model, and 5,000 prompts (no responses) for PPO rollouts. Run PPO with TRL's PPOTrainer for …
- Rlhf
- Ppo
- Reward Hacking
Machine Learning from Human Preferences (RLHF and Alignment) - CodeBeginnerNew
Model a Trading Order Book with Algebraic Data Types in Haskell
Design ADTs for Side (Buy | Sell), OrderType (Limit | Market | StopLimit), Order, Trade, and BookState. Make illegal states unrepresentable (e.g. a Match can never produce a neg…
- Haskell
- Algebraic Data Types
- Property Based Testing
Functional Programming - StrategyBeginnerNew
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
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