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.
- AnalysisBeginnerNew
Cash Flow Diagnosis for a Tokyo D2C Skincare Startup
Working in a team, take the provided income statements and balance sheets for FY2023 and FY2024 and build a cash flow statement using the indirect method. Then analyze the drive…
- Cash Flow Analysis
- Ratio Analysis
- Financial Statement Interpretation
Financial Accounting - CodeIntermediateNew
Profile-Guided Optimization for a Production JavaScript Bundler
Read the bundler's existing release-build pipeline (Rust + Cargo). Design and implement a PGO workflow using Rust's profile-guided LLVM PGO: instrument build, training run on th…
- Profile Guided Optimization
- Llvm
- Benchmarking
Advanced Compilers and Program Optimization - CodeBeginnerNew
Calibrate a Multi-Camera Rig for Warehouse Robotics
You will design and prototype a calibration workflow using a printed ChArUco board (a chessboard with embedded ArUco markers). You receive a sample dataset of 200 raw frames per…
- Camera Calibration
- Multi View Geometry
- Opencv
3D Vision and Multi-View Geometry - StrategyFoundationalNew
Collaborative Market Entry Strategy for a Finnish EdTech Startup
Form a team of 3-4 and assign roles: Market Researcher, Competitive Analyst, Pricing Strategist, Go-to-Market Lead. Conduct market sizing for the DACH language learning market, …
- Business Administration
- Collaborative Work
- Digital Business Models
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
- AnalysisBeginnerNew
CVP Analysis for a 40-Person SaaS Scale-Up
You are a financial analyst at CloudFlow. Given current PLG pricing (€50/user/month, 10,000 users) and cost structure (€200K fixed, €10/user variable), plus planned enterprise t…
- Cvp Analysis
- Break Even Analysis
- Pricing Strategy & Elasticity
Management and Cost Accounting - CodeIntermediateNew
Design a Multi-Tenant Kubernetes Namespace-Provisioning Self-Service
Design and build a Backstage scaffolder that lets a squad request a namespace (specifying environment, owners, expected scale). The scaffolder generates a pull request to a GitO…
- Platform Engineering
- Kubernetes Orchestration
- Self Service
Platform Engineering - CodeIntermediateNew
Extract Skills and Roles from Job Postings for a Recruiter Tool
You receive 30,000 anonymized job postings and a labelled 1,000-posting benchmark with (skill, role, seniority) spans. Fine-tune a small token classifier (e.g., DeBERTa-v3-base)…
- Information Extraction
- Token Classification
- Esco Taxonomy
Linguistic Engineering and Language Technologies - DesignIntermediateNew
Cloud Architecture Design for a Multi-Tenant SaaS Platform
Deliver a comprehensive cloud architecture design covering: (1) Multi-tenancy strategy (shared database with row-level security vs. schema-per-tenant vs. database-per-tenant — j…
- Cloud Computing
- It Security
- Web Development
Open coursework - Browse challenges
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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
Valuing a Johannesburg D2C Cosmetics Startup
Conduct a valuation of GlowUp using the Venture Capital Method, Scorecard Method, and a comparable transactions analysis. Assume a target return of 10x and a 70% probability of …
- Startup Valuation
- Term Sheet Analysis
- Three Statement Modeling
Venture Capital and Entrepreneurial Finance - CodeBeginnerNew
Implement an Expression Evaluator Using Recursion and Higher-Order Functions
Implement in Python (or TypeScript). Build a tokenizer, a recursive-descent parser producing an abstract syntax tree (AST), and a tree-walking evaluator. Use higher-order functi…
- Recursion
- Higher Order Functions
- Parsing
Programming Abstractions - 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
- Cnn Classification
- Image Preprocessing
Image Processing and Computational Imaging - AnalysisFoundationalNew
Competitive SEO Audit for a Munich Craft Beer E-Shop
Perform a technical SEO audit using free tools (Google Search Console data provided, Screaming Frog export attached). Analyze site architecture, page speed, mobile usability, me…
- Online Marketing
- Web Development
- Data Analytics
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
- 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 - CodeBeginnerNew
Knowledge-Graph Recommender for a Niche Online Bookstore
Model the catalog as a knowledge graph (nodes: books, authors, genres, themes, eras, awards; edges: wrote, in-genre, has-theme, won, similar-to). Use Neo4j or a simple Python in…
- Knowledge Representation
- Knowledge Graphs
- Python Or Javascript
Introduction to Artificial Intelligence (CS Elective) - CodeBeginnerNew
Image Search for a DTC Furniture Retailer's App
Use a pretrained vision-embedding model (CLIP ViT-B/32 or DINOv2-small). Index a catalog of around 1,500 furniture images. Curate a small evaluation set of around 50 user-style …
- Image Embeddings
- Vision Transformers
- Image Search
Computer Vision (Undergraduate) - 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 - ResearchSeniorNew
Experimental Design for a Fintech App's Savings Nudge
You are a behavioral data scientist at SaveSmart. Design a randomized controlled trial (RCT) to test the effect of a 'future self' nudge on savings behavior. Define treatment an…
- Experimental Design
- Statistical Analysis
- Nudge Theory
Behavioral Economics - CodeIntermediateNew
Index a Genomics Dataset with a Suffix Array for Read Matching
Implement a suffix array over a 720 MB DNA sequence (4-character alphabet) using DC3 (Difference Cover modulo 3) or SA-IS construction in Rust. Build pattern-matching utilities …
- Suffix Arrays
- String Algorithms
- Systems Language Proficiency (Go, Rust, C++)
Data Structures - CodeIntermediateNew
Build a Speaker-Diarization Pipeline for a Legal-Tech Startup
You receive 20 hours of de-identified hearing audio with ground-truth speaker labels (4 speaker classes per hearing). Build a speaker-diarization pipeline (pyannote-audio or sim…
- Speaker Diarization
- Speech Recognition
- Pyannote
Speech Recognition and Spoken Language Processing - CodeBeginnerNew
Big Data Dashboard for Urban Mobility Patterns
Using the provided sample dataset (100K anonymized trip records with timestamps, origin/destination coordinates, transport mode, and duration), build a dashboard prototype. Requ…
- Data Analytics
- Digital Business Models
- Web Development
Open coursework - ResearchSeniorNew
Foresight-Driven Innovation for a Renewable Energy Co-op
You are a foresight analyst for WindFolk. Develop three alternative futures for the Danish energy market in 2030 (e.g., 'Green Grid', 'Tech Fragmentation', 'Policy Stagnation').…
- Scenario Planning
- Three Statement Modeling
- Decision Analysis
Strategic Foresight and Decision-Making - CodeIntermediateNew
Design a Change-Data-Capture Pipeline for an E-Commerce Reseller
Receive the MySQL schema (220 tables), 7 days of binlog samples, and the data team's freshness + correctness requirements. Design the CDC pipeline: Debezium for MySQL binlog cap…
- Change Data Capture
- Debezium
- Kafka Event Streaming
Big Data and Data-Intensive Systems - ResearchSeniorNew
Price American Options with a Deep Hedging Notebook
Simulate price paths for a single underlying (geometric Brownian motion is fine as a baseline; bonus for stochastic volatility). Implement Longstaff-Schwartz Monte Carlo as the …
- Deep Learning
- Stochastic Modeling
- Derivatives Pricing
AI and Quantitative Finance - 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
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