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.
- ResearchIntermediateNew
Design a Capability Evaluation for an Open-Weights Coding Model
Pick a recent open-weights coding model (e.g., a Qwen, DeepSeek, or Llama variant). Design an evaluation set of around 40 coding tasks across 4 buckets: standard benign coding, …
- Capability Evaluation
- Safety Evaluation
- LLM Evaluation
AI Safety and Alignment - DesignBeginnerNew
Architecture Documentation Refresh for a 10-Year-Old Platform
Audit existing docs: tag each page as keep / kill / refresh. Apply the C4 model (Context, Container, Component, Code) — produce 1 Context diagram, 4 Container diagrams (per majo…
- Architecture Documentation
- C4 Model
- Arc42
Software Architecture - DesignIntermediateNew
FMEA for SaaS Platform Migration at a 40-Person Scale-Up
You are provided with a system architecture overview and a list of potential failure modes from the engineering team. Your task is to complete an FMEA worksheet: identify failur…
- Fmea
- Risk Assessment
- Mitigation Strategy
Quality and Productivity Management - 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 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.
Why Ewance
- CodeIntermediateNew
Fine-Tune a Diffusion Model for an E-commerce Product Studio
You receive 1,200 curated product + lifestyle images across 6 product categories, a brand-style guide, and the company's current studio cost per image (around EUR 18). Fine-tune…
- Diffusion Models
- Stable Diffusion
- Dreambooth
Generative AI - CodeIntermediateNew
Build a 5-Stage Pipelined RISC-V Core in Verilog
Implement the 5-stage pipeline with: hazard detection unit, forwarding paths (EX/MEM to EX, MEM/WB to EX), pipeline stalls for load-use hazards, and a simple static branch-not-t…
- Pipelining
- Hazard Detection
- Verilog
Computer Architecture - AnalysisBeginnerNew
Valuing a Paris D2C Cosmetics Scale-Up
Your task is to produce a 10-year DCF valuation of Lueur & Croissance, including a terminal value using the perpetuity growth method. You must also select 3-5 comparable public …
- DCF Valuation
- Comparable Company Analysis
- Three Statement Modeling
Corporate Finance (MBA) - StrategyIntermediateNew
Charting the Course: Ewance's Strategic Entry into the European Higher-Ed Market
Ewance has established a strong presence in its home market, but the leadership team believes significant untapped potential exists across Europe. The goal of this challenge is …
- Market Analysis
- Business Strategy
- Three Statement Modeling
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Explore role
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.
- CodeSeniorNew
Auto-Tune a Distributed Training Cluster's Throughput
Pick a representative fine-tune job (an open 7B model on a public instruction dataset is fine). Define the search space: NCCL_ALGO, NCCL_PROTO, num_workers, prefetch_factor, gra…
- Distributed Training
- Hyperparameter Tuning
- Nccl
Machine Learning Systems - CodeBeginnerNew
Add a Test Harness to an Untested Open-Source CLI
Fork the repo (test mirror provided), set up Vitest with coverage and a CI workflow that fails under 75 percent on the targeted modules. Write characterization tests first (asse…
- Unit Testing
- Integration Testing
- Test Coverage
Software Construction - StrategyIntermediateNew
Market Entry Strategy for a Fintech in Southeast Asia
Your team must analyze the Southeast Asian payments landscape, focusing on Indonesia and Vietnam. You have data on market size, competitor market shares, regulatory frameworks, …
- Market Entry
- Game Theory
- Competitive Analysis
Industrial Economics and Game Theory - 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 Get recognized by recruiters and employers.
Credentials are blockchain-anchored via LearnCoin — tamper-evident, portable, link-shareable on LinkedIn and beyond.
Why Ewance
- AnalysisBeginnerNew
Detect Fraudulent Refund Requests for a Mid-Market Marketplace
You receive a labeled dataset with buyer history, seller history, shipping carrier, refund reason text, and outcome label (legit / fraud). Train and evaluate at least two classi…
- Classification
- Model Calibration
- Imbalanced Classification
Machine Learning (Undergraduate) - CodeBeginnerNew
Containerize a Legacy Java Monolith and Deploy to ECS
Receive the Java 8 monolith source (around 320k lines), the current Tomcat + Apache HTTPD config, and 30 days of production traffic logs. Containerize the application (multi-sta…
- Containerization
- Docker
- AWS Or Azure
Cloud Computing - 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 - 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 - CodeIntermediateNew
Fine-Tune a Diffusion Model for a Sustainable-Fashion Mood-Board Tool
You receive around 1,200 curated images of sustainable garments tagged with silhouette and material. Choose a base diffusion model (Stable Diffusion 1.5/2.1 or SDXL) and apply L…
- Diffusion Models
- Fine Tuning
- Ai Image Generation
Deep Generative Models - DesignIntermediateNew
Map Bounded Contexts for a Mid-Cap Insurance Carrier
Facilitate 2 half-day Event Storming sessions with 18 domain experts using Miro. Capture domain events, commands, actors, and policies. Identify 6 to 10 candidate bounded contex…
- Event Storming
- Bounded Contexts
- Context Mapping
Domain-Driven Design - AnalysisSeniorNew
Founder Behavior Diagnostic for a Burnt-Out SaaS CEO
Conduct a structured diagnostic of the founder's behavioral patterns, decision-making, and team dynamics, then produce a 90-day intervention plan. You must ground your analysis …
- Founder Psychology
- Behavioral Diagnostics
- Executive Coaching
Advanced Entrepreneurship and Founders' Skills - ResearchFoundationalNew
Academic Writing: The Impact of AI on Small Business Marketing
Produce a 3,000-word academic essay following APA 7th edition formatting. Structure: Introduction with clear thesis statement, Literature Review (minimum 8 peer-reviewed sources…
- Academic Writing
- Business Administration
- Online Marketing
Open coursework - CodeSeniorNew
Plan Under Uncertainty for a Warehouse Restocking Robot
You receive a discrete-event simulator of a 1,200-shelf warehouse with calibrated optical-scanning error rates and stock-out cost per shelf. Formulate the restocking decision as…
- Planning Under Uncertainty
- Pomdp
- Monte Carlo Planning
Advanced Robotics - CodeIntermediateNew
Specification-First Refactor of a Payments Module
Read the module, the last 12 months of incidents touching it, and the existing tests. Write a 6-page specification using a precondition / postcondition / invariant format per pu…
- Specifications
- Refactoring
- Characterization Testing
Software Construction - AnalysisIntermediateNew
Pivot or Persevere for a Food-Tech Startup
Your team has one week to analyze provided customer data (acquisition channels, churn rates, unit economics) and market research on the B2B office food market. Deliver a recomme…
- Data Analysis
- Unit Economics
- Business Model Canvas
Entrepreneurship and New Venture Creation - AnalysisBeginnerNew
GDPR Data Mapping and Privacy Impact Assessment for an E-Learning Platform
Using the provided system architecture and feature specification, deliver: (1) Complete data map showing all personal data flows (collection → processing → storage → deletion), …
- It Security
- Requirements Engineering
- Data Analytics
Open coursework
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