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.
- AnalysisIntermediateNew
Compare Stereo Depth Methods for a Drone Inspection Startup
You receive 500 calibrated stereo pairs from a turbine inspection plus sparse LiDAR ground truth on each pair. Implement (or wrap) three depth estimators: OpenCV Semi-Global Mat…
- Stereo Depth Estimation
- Multi View Geometry
- Model Evaluation
3D Vision and Multi-View Geometry - CodeIntermediateNew
Build a BM25 + Embeddings Hybrid Search for a Legal-Tech Document Portal
Stand up an OpenSearch cluster with BM25 indexing on the 2.4M-document corpus. Generate dense embeddings (you choose the model; justify cost and quality trade-offs) and index th…
- Information Retrieval
- Bm25
- Vector Database Basics
Data Mining and Information Retrieval - AnalysisFoundationalNew
Optimize Ad Spend for Munich D2C Cosmetics Brand
You are given a CSV dataset with 10,000 rows of ad performance data including date, campaign, audience segment, creative type, impressions, clicks, conversions, and spend. Your …
- A/B Testing
- Regression Analysis
- Data Cleaning
Marketing Analytics - AnalysisBeginnerNew
E-Commerce Conversion Funnel Optimization for an Outdoor Gear Brand
Using the provided Google Analytics export and heatmap data, map the complete customer journey from landing page to purchase confirmation. Identify the top 5 friction points cau…
- E Commerce
- Data Analytics
- User Experience Design
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
- CodeIntermediateNew
Extractive QA on Clinical Trial Protocols
You receive 500 anonymized protocol PDFs (already OCR-ed to text) and 1,200 labeled question-answer pairs where each answer is an exact text span. Build an extractive QA system:…
- Extractive Qa
- Reading Comprehension
- Model Finetuning
Question Answering and Conversational Systems - CodeIntermediateNew
Parallelize a Monte Carlo Risk Engine for a Quant Hedge Fund
Profile the existing engine (C++17, single-threaded). Identify the parallelism axis (per-path independence is the obvious one — but watch for the global RNG bottleneck). Impleme…
- Parallel Algorithms
- Shared Memory
- Work Stealing
Parallel and Distributed Algorithms - StrategyIntermediateNew
Industry 4.0 Roadmap for a 40-Person SaaS Scale-Up
Your challenge is to create a 12-month Industry 4.0 roadmap for DataFlow Analytics' internal operations. You need to identify key processes to digitize (e.g., server monitoring,…
- Industry 4 0
- Cyber Physical Systems
- Iot
Production and Manufacturing Management - StrategyBeginnerNew
Project Management Plan for a SaaS Product Launch
Develop a 6-week launch plan using appropriate project management methodology (Agile, Waterfall, or hybrid — justify your choice). Include: (1) Work Breakdown Structure with all…
- Project Management
- Collaborative Work
- Digital Business Models
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Marketing Analyst
Plan and measure campaigns that grow the business. Funnel analytics, attribution, segmentation, and the rigorous measurement that lets marketing defend its budget at the leadership table.
- CodeBeginnerNew
Implement a Constraint Solver for a Lisbon Tourism Scheduler
Model the next-week schedule as a CSP: variables are (guide, day, slot) assignments; domains are available routes; constraints encode language requirements, max consecutive tour…
- Constraint Satisfaction
- Backtracking Search
- Python Or Javascript
Introduction to Artificial Intelligence - 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 - AnalysisFoundationalNew
Bookkeeping Reset for a Lisbon Specialty Coffee Roaster
Using the supplied transaction log (provided as a CSV), record each item using double-entry bookkeeping in a journal, post to a general ledger, and prepare an unadjusted trial b…
- Double Entry Bookkeeping
- Journal Entries
- Trial Balance Preparation
Financial Accounting - AnalysisBeginnerNew
IT Security Risk Assessment for a FinTech Mobile App
Using the provided architecture diagram and API documentation, perform a risk assessment covering: (1) Threat modeling using STRIDE, (2) Vulnerability identification across mobi…
- It Security
- Requirements Engineering
- Web Development
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Submissions become evidence. Reviewers with shipping experience score against a rubric; the result becomes a credential anyone can verify.
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- AnalysisIntermediateNew
Audit a Sepsis Early-Warning Model for Subgroup Performance
You receive a pre-trained vendor model, the training-data summary, and a held-out hospital-network evaluation set (about 18,000 ICU stays with sepsis labels). Compute AUROC + AU…
- Model Evaluation
- Fairness Metrics
- Model Calibration
Machine Learning for Healthcare and Biomedicine - CodeBeginnerNew
Build a Plugin-Based Notification Framework With Observer + Factory
Implement, in Java 21: an EventBus that supports typed subscriptions, a NotificationChannel interface with concrete subtypes (Push, Email, InApp, SMS), an AbstractChannelFactory…
- Python Or Javascript
- Design Patterns
- Oo Design
Object-Oriented Programming and Design - StrategyIntermediateNew
IP Strategy for a SaaS Scale-Up Moving to Enterprise
Your task is to create a comprehensive IP strategy report for TaskFlow. This should include an audit of existing IP, recommendations for patenting key algorithms (if feasible), …
- Intellectual Property
- Patent Strategy
- Trade Secrets
IT Law and Data Protection - ResearchIntermediateNew
Seminar: Future of AI Visibility — How Brands Get Cited by ChatGPT
Research the emerging field of AI visibility / Generative Engine Optimization (GEO). Your deliverables: (1) Literature review covering at least 5 academic papers and 10 industry…
- Online Marketing
- Digital Innovation
- Academic Writing
Open coursework - DesignIntermediateNew
Design a Real-Time Order Pipeline for a Fintech Payments Platform
You receive a synthetic Kafka stream of around 500 transactions per second, a static merchant dimension table (about 80,000 rows), and a daily FX rate snapshot. Design an end-to…
- Streaming Data
- Kafka Event Streaming
- Stream Processing
Data Engineering and Big Data Systems - AnalysisBeginnerNew
Customer-Segmentation Study for a DTC Subscription Box
Use 18 months of anonymized data: order history, churn events, NPS responses, box-rating data, referral activity, marketing-channel attribution. Engineer features (RFM-style + b…
- Unsupervised Learning
- Python Or Javascript
- Ml Applications
Machine Learning (CS Elective) - AnalysisIntermediateNew
Risk Parity Portfolio for a Swiss Pension Fund
Your task is to design a risk parity portfolio for the pension fund, incorporating at least three alternative asset classes beyond equities and bonds. Provide a quantitative com…
- Risk Parity
- Portfolio Construction
- Alternative Beta
Hedge Funds and Alternative Investments - DesignBeginnerNew
UX Redesign of a Government Digital Services Portal
Focus on three citizen journeys: (1) Registering a new address (Ummeldung), (2) Requesting a parking permit, (3) Booking an appointment at the Bürgerbüro. For each: create a use…
- User Experience Design
- Web Development
- Requirements Engineering
Open coursework - ResearchSeniorNew
Model-Based RL for a Robotic Arm Pick-Place Task
You receive a PyBullet pick-and-place environment (Franka Panda arm, 12 object types, randomized starting poses) and a SAC baseline that hits 85% success after about 1.5 million…
- Model Based Rl
- World Models
- Reinforcement Learning
Deep Reinforcement Learning - CodeIntermediateNew
Implement Authenticated Encryption for a Document Service
Design the envelope-encryption hierarchy: customer Key Encryption Key (KEK) held in AWS KMS (Key Management Service), Data Encryption Keys (DEKs) wrapped per document. Use AES-2…
- Applied Cryptography
- Aead
- Key Management
Applied Cryptography - StrategyBeginnerNew
Transforming an Austin D2C Cosmetics Startup for B2B Expansion
Your task is to develop a comprehensive change management plan for Glow Naturals. The plan must include a diagnostic of the current organizational culture, a change strategy usi…
- Change Management
- Organizational Development
- Kotter Model
Leading Change and Organizational Development - StrategyBeginnerNew
Social Media Content Strategy for a Sustainable Cosmetics Brand
Audit the brand's current social presence (screenshots and analytics data provided). Research 3 successful competitors' social strategies. Develop: (1) Platform strategy — which…
- Digital Marketing
- Online Marketing
- Digital Business Models
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