Beginner Challenges
Real-world scenarios at the beginner level. Earn verified credentials as you practice the work your degree prepares you for.
- AnalysisBeginnerNew
Capital Structure Optimization for an Austin D2C Cosmetics Startup
Your task is to model the impact of different debt-to-equity ratios on GlowUp Naturals' weighted average cost of capital (WACC) and firm value. Assume the company has no existin…
- Capital Structure Analysis
- Wacc Calculation
- Modigliani Miller
Corporate Finance (Graduate) - ResearchBeginnerNew
Comparative Usability Test of Three Checkout Flows for a DTC Brand
Build 3 clickable Figma prototypes of the same checkout (same product, same fields, same copy) in single-page, three-step, and side-drawer patterns. Recruit 9 participants match…
- Usability Testing
- User Research
- Comparative Evaluation
Human-Computer Interaction - AnalysisBeginnerNew
Capital Budgeting for a Munich D2C Cosmetics Expansion
Your task is to build a discounted cash flow model comparing the two expansion strategies over a 5-year horizon. You must estimate initial investment, projected revenues, operat…
- Discounted Cash Flow
- Net Present Value
- Internal Rate Of Return
Corporate Finance - ResearchBeginnerNew
NP-Completeness Investigation of a Scheduling Feature Request
Read the feature spec (around 30 vets per clinic, around 10 rooms, around 200 appointments per day, vet-skill constraints, room-equipment constraints, customer-time preferences)…
- Np Completeness
- Complexity Theory
- Algorithm Analysis
Algorithm Design and Analysis 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
- StrategyBeginnerNew
Designing a Dividend Policy for a Mature Tech Firm
Your task is to evaluate three options: (1) a regular dividend of $1 per share quarterly, (2) a one-time special dividend of $5 per share, or (3) an open-market share repurchase…
- Dividend Policy
- Share Buyback Analysis
- Capital Structure Decisions
Corporate Finance (MBA) - AnalysisBeginnerNew
Valuing a Lisbon D2C Cosmetics Startup for Series A
Your task is to value GlowLisboa using a DCF model and a market multiples approach. You have access to the startup's financial statements, industry benchmarks, and market data. …
- DCF Valuation
- Capm
- Comparable Company Analysis
Investments and Asset Pricing - StrategyBeginnerNew
Scrum Transition Plan for a Warsaw Fintech
Produce a 90-day Scrum transition plan covering three squads (Payments Core, Merchant Onboarding, Risk & Compliance). Define how Product Owner and Scrum Master roles will be sta…
- Agile / Scrum Ceremonies
- Change Management
- Backlog Design
Agile Project Management - 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
Natural Language Processing - Browse challenges
Explore role
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.
- StrategyBeginnerNew
Introduce XP Practices to a Legacy E-Commerce Codebase
Run a 6-week intervention with the 7-person checkout team. Week 1: baseline (current test coverage, defect-escape rate, story cycle time). Weeks 2-5: introduce TDD on all new co…
- Extreme Programming
- Test Driven Development
- Ai Pair Programming
Agile Methods and Practices - DesignBeginnerNew
Integrate a Modern Order System with a Legacy SAP ERP
Map the 5 required integrations: order create (sync), pricing inquiry (sync, sub-300ms), inventory availability (sync, with cache), credit check (sync), order status events (asy…
- Enterprise Integration
- SAP Integration
- Apache Camel
Enterprise and Business Software Engineering - CodeBeginnerNew
Build a Credit-Card Fraud Detector for a Singapore Neobank
You receive 9 months of anonymized authorization data (around 8 million transactions, around 0.4 percent fraud) plus current rule outcomes. Split temporally and train at least t…
- Classification Modeling
- Class Imbalance
- Model Calibration
AI and Quantitative Finance - CodeBeginnerNew
Reason about Drone Mission Plans with Probabilistic Logic
Build a small Bayesian network (around 12 nodes) capturing weather, no-fly-zone proximity, battery state, operator certification, and mission risk. Implement exact inference (va…
- Bayesian Networks
- Probabilistic Inference
- Knowledge Representation
Introduction to Artificial Intelligence 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
- DesignBeginnerNew
Build an Attention-Visualization Tool for Translation Quality Audit
You will load a small open-source EN-FR transformer (e.g., Helsinki-NLP Opus-MT-en-fr), build a Streamlit or Gradio demo that lets the user paste English source, see the French …
- Attention Mechanisms
- Neural Mt
- Tool Design
Machine Translation - StrategyBeginnerNew
IP Strategy for a SaaS Scale-Up Moving Upmarket
You are an IP strategy associate at a boutique law firm. TaskFlow's CTO has asked for a strategic memo outlining how to protect their algorithm and brand. You must evaluate whet…
- Ip Law
- Patent Analysis
- Trademark Strategy
Business and Commercial Law - DesignBeginnerNew
Design Secrets Management for a Regulated GitOps Pipeline
Design the secrets topology: Vault as the single source, External Secrets Operator (ESO) syncing into Kubernetes Secrets with auto-rotation. SecretStore + ClusterSecretStore bou…
- External Secrets Operator
- Hashicorp Vault
- Secrets Management
GitOps and Continuous Delivery - CodeBeginnerNew
Predictive Churn Model for Bangalore D2C Cosmetics
You will analyze a provided dataset of 10k customers with features like purchase frequency, average order value, time since last purchase, pages visited, support tickets, and su…
- Python Or Javascript
- Scikit Learn
- Logistic Regression
Machine Learning and AI for Business - StrategyBeginnerNew
Asset Allocation Strategy for a Sustainable Fashion Brand
Your task is to design a €50M investment portfolio with at least 50% allocated to green or sustainable assets. You must use CAPM to estimate expected returns for each asset clas…
- Asset Allocation Modeling
- Capm
- ESG Investing
Investment Analysis and Portfolio Management - CodeBeginnerNew
Tune a Recommender for an EU Streaming Music App
Use the public Last.fm-360k or similar dataset (anonymized listening histories) as a stand-in. Implement a baseline matrix-factorization recommender, then a hybrid that adds tra…
- Recommender Systems
- Feature Engineering
- Model Evaluation
Applied Machine Learning - CodeBeginnerNew
Structured-Output Prompts for Invoice Extraction
You receive 300 real invoice transcripts (already OCR-ed) labeled with 14 target fields, plus the current production prompt and its 12 percent failure log. Design a new prompt u…
- Structured Output
- Json Schema
- Few Shot Prompting
Prompt Engineering - AnalysisBeginnerNew
Optimizing Subscription Pricing for a Lagos D2C Cosmetics Startup
Your task is to analyze GlowCycle's customer data to identify segments with different price sensitivities and churn risks. Develop a predictive model to forecast churn probabili…
- Customer Segmentation
- Predictive Modeling
- Prescriptive Analytics
Business Analytics - CodeBeginnerNew
Refactor a Legacy Reporting Script for a Renewable-Energy Startup
Read the existing script and identify 5-7 distinct responsibilities tangled together. Refactor into 3 layers: data loaders (CSV, REST API), transformers (pure functions over row…
- Abstraction
- Higher Order Functions
- Refactoring
Programming Abstractions - AnalysisBeginnerNew
IFRS 15 Revenue Recognition for a Dubai D2C Cosmetics Startup
You are a junior accountant at Glow Naturals. The CFO needs a revenue recognition policy under IFRS 15 for three main product lines: (1) monthly subscription boxes with a free g…
- IFRS 15
- Revenue Recognition
- Contract Analysis
International Accounting - 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 - 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
Logistics and Transportation Management
How it works
From brief to credential, in six steps.
Step 01
Browse challenges aligned to your studies.
Step 02
Accept the one that fits your goals.
Step 03
Work through it with AI Copilot guidance.
Step 04
Submit for structured evaluation.
Step 05
Earn a verified credential.
Step 06
Add it to LinkedIn with one click.
Industry teams behind a decade of practitioner briefs
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Sponsor a challenge and meet candidates through actual work.
Industry teams can shape briefs around the skills they hire for, then evaluate students on rubric-scored deliverables — not resumes.