Beginner Challenges
Real-world scenarios at the beginner level. Earn verified credentials as you practice the work your degree prepares you for.
- ResearchBeginnerNew
Qualitative Research for a SaaS Scale-Up's Enterprise Pivot
Your task is to design a qualitative research study for TaskFlow. Define the research questions, select a sample of 5-7 enterprise buyers (use personas provided), and create an …
- Qualitative Research
- Interview Design
- Thematic Analysis
Open coursework - AnalysisBeginnerNew
Hedging Currency Risk for a German Exporter
You are a junior financial analyst at Mittelstand GmbH. The company has a firm order of €10 million from a US client, payable in USD in 6 months, and a £5 million order from a U…
- Currency Hedging
- Derivatives Pricing
- Risk Management
Financial Markets and Institutions - StrategyBeginnerNew
Responsible AI Policy for a HR-Tech Scale-up
Working as a cross-functional team, produce a Responsible AI Policy that addresses: permitted/prohibited use cases, human oversight requirements, data minimization, vendor due d…
- Ai Policy
- Ai Governance
- Stakeholder Management
AI, Ethics and Society - DesignBeginnerNew
Pricing Optimization for a Sustainable Fashion Brand
You are provided with historical sales data for similar products, including price, quantity sold, and cost. For each new product, you have estimated demand curves (linear or con…
- Excel Modeling
- Vba Programming
- Optimization
Spreadsheet Modeling and VBA 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
- AnalysisBeginnerNew
Cost-Optimize an Embedding Pipeline for a Customer Support Knowledge Base
You receive: (a) the current pipeline (full re-embed on any article change, OpenAI text-embedding-3-large, 3,072 dims) with one month of cost logs, (b) a sample of 5,000 article…
- Embedding Models
- Cost Optimization
- Change Detection
Open coursework - AnalysisBeginnerNew
COBIT Alignment for a Singapore D2C Cosmetics Startup
You are a junior IT governance consultant hired by the startup. Conduct a gap analysis using COBIT 2019, identify 5 key governance processes to implement in the next 6 months, a…
- It Governance
- Cobit 2019
- Gap Analysis
Open coursework - CodeBeginnerNew
Apply SOLID Principles to a Notifications Subsystem
Read Notifier and the last 6 months of incidents touching it. Write a 4-page design document mapping each of the 5 SOLID principles to a specific change in the subsystem (Single…
- Solid Principles
- Design Patterns
- Refactoring
Software Design and Design Patterns - CodeBeginnerNew
Responsive Web Redesign for SaaS Scale-up
You are to redesign the TaskFlow website's homepage, pricing page, and a new 'Enterprise' landing page. The redesign must be responsive (mobile-first) and built with HTML/CSS/JS…
- Html
- Css
- Javascript
Open coursework - 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.
- 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 - CodeBeginnerNew
Build a Product Knowledge Graph for a Fast-Fashion Retailer
You receive 200 sample SKUs across 4 markets (Spain, Germany, Japan, Brazil) as CSVs with country-specific attribute names. Design an OWL ontology with shared classes for Produc…
- Knowledge Graphs
- Owl Ontology
- Rdf
Knowledge Graphs and Semantic Web - StrategyBeginnerNew
Launch a Direct-to-Consumer Subscription Box for a Skincare Brand
Using the twelve-month order-history dataset, derive which products repeat buyers actually return for and what each item costs versus what it sells for, so your curation and mar…
- Product Design
- Pricing Strategy
- Customer Journey Mapping
Open coursework - AnalysisBeginnerNew
Hedging FX Risk for a Sydney D2C Cosmetics Brand
You are a risk management consultant hired by GlowSydney. Analyze the company's FX exposure using provided data on forecasted USD payables and AUD receivables. Recommend a hedgi…
- Fx Hedging
- Derivatives Pricing
- Financial Modeling
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- ResearchBeginnerNew
Hyperparameter Search via CMA-ES for a Pharma QSAR Model
You receive a labeled QSAR dataset (around 25,000 compounds, regression on a binding-affinity target), a fixed feature pipeline (Morgan fingerprints + descriptors), and the team…
- Cma Es
- Metaheuristics
- Hyperparameter Optimization
Evolutionary Computation and Metaheuristic Search - StrategyBeginnerNew
Scenario Planning for a London Direct-to-Consumer Cosmetics Brand
Your analysis task is to read the four working materials supplied and turn them into a usable foresight package. Start from the GlowLondon company record and the marketing perfo…
- Scenario Planning
- Uncertainty Analysis
- Strategic Thinking
Open coursework 
CodeBeginnerNewKnowledge-Graph Recommender for a Lisbon Bookstore
Using the catalog sample (catalog_sample), build a knowledge graph whose nodes are books, authors, genres, themes, eras, and awards, and whose edges capture relationships such a…
- Knowledge Representation
- Knowledge Graphs
- Python Programming
Open coursework- DesignBeginnerNew
Optimizing Inventory for a Toronto D2C Cosmetics Brand
Your task is to design a multidimensional data model (star schema) for inventory management, create an ETL pipeline to load sample data (provided as CSV files), and develop an O…
- Data Warehousing
- Etl
- Olap
Open coursework - StrategyBeginnerNew
Build a Tiered Vendor-Security Review Program, Validated by a 12-Vendor Pilot
Using the de-identified subprocessor inventory and the twelve-vendor pilot dossier provided, design a three-tier risk program (critical, important, low-risk) with explicit, obse…
- Third Party Risk
- Security Governance
- Compliance
Open coursework - StrategyBeginnerNew
Design a Three-Tier Pricing Proposal for an Observability Startup
Using the anonymized customer export and the current-pricing memo in the provided materials, design a replacement pricing model and prove it pays. First, analyze the 80 customer…
- Pricing Strategy
- Packaging
- Financial Modeling
Open coursework - StrategyBeginnerNew
Rebuild Motivation for a Remote Enterprise Sales Team
Using the team context dossier, the leadership strategy memo, and the quarterly engagement and performance snapshot provided to you, design a motivation system for the remote en…
- Motivation Theory
- Remote Team Management
- Goal Setting
Open coursework - AnalysisBeginnerNew
Define SLOs and Error Budgets for a Real-Time Trading API
Pull 90 days of API latency + error data per endpoint from Prometheus (anonymized exports provided). Propose Service Level Indicators (SLIs) for 3 services × 2 SLI types (availa…
- Slo Definition
- Error Budgets
- Sli Design
Site Reliability Engineering - CodeBeginnerNew
Calibrate a Demand Forecast with Bayesian Confidence Intervals
You receive 24 months of weekly demand for 600 SKUs plus the existing XGBoost point predictions. Fit a Bayesian conformal-prediction layer (or, alternatively, a Gaussian-Process…
- Bayesian Inference
- Uncertainty Quantification
- Conformal Prediction
Probabilistic Machine Learning - 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
Redesign GlowCycle's Subscription Pricing to Cut Skincare Churn
Using only the GlowCycle subscription dataset and the company context file provided with this challenge, design a new tiered subscription pricing structure that reduces monthly …
- Customer Segmentation
- Predictive Modeling
- Prescriptive Analytics
Open coursework - AnalysisBeginnerNew
Trade Compliance Audit for a Post-Brexit Fashion Exporter
Working only from the operations dossier, the shipment ledger, and the audit notice you have been given, conduct a full trade compliance audit. Re-classify a sample of the brand…
- Customs Compliance
- Rules Of Origin
- Tariff Classification
Open coursework
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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.
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