Beginner Challenges
Real-world scenarios at the beginner level. Earn verified credentials as you practice the work your degree prepares you for.
- StrategyBeginnerNew
Circular Packaging for a San Francisco D2C Cosmetics Brand
As a sustainability consultant, you must propose a circular packaging strategy for GlowCycle. Analyze current packaging lifecycle, identify circular options (refill, reusable, c…
- Life Cycle Assessment
- Circular Economy
- Cost Benefit Analysis
Open coursework - DesignBeginnerNew
Build a Participatory Budgeting Decision Tool for a City Government
You will design and prototype a participatory budgeting tool for one neighborhood pilot with around 30 candidate projects and a fixed EUR 2 million budget. Residents vote on wei…
- Participatory Decision Making
- Decision Support Systems
- Portfolio Optimization
Decision Support Systems and Decision Analysis - 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 Programming
- Ml Applications
Machine Learning (CS Elective) - CodeBeginnerNew
Build a Readable Rules Language for Insurance Policies in OCaml
Design a small domain-specific language that covers the building blocks of policy rules: variables (insured amount, premium, deductible, named perils), expressions (arithmetic, …
- Ocaml
- Domain Specific Languages
- Parser Combinators
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
- AnalysisBeginnerNew
Audit Data Quality for a Climate Tech Sensor Network
You receive 30 days of ingested sensor data (around 400 million rows) plus the sensor inventory and known maintenance windows. Define a set of data-quality expectations (null ra…
- Data Quality
- Great Expectations
- Anomaly Detection
Data Engineering and Big Data Systems - DesignBeginnerNew
Design a Resilient Bridge Between New Commerce and Legacy SAP
Using the integration requirements case file, design how all five interactions move between the storefront and SAP ECC: order create, pricing inquiry, inventory availability, cr…
- Enterprise Integration
- SAP Integration
- Apache Camel
Open coursework - StrategyBeginnerNew
Rebuild GlowLagos's Organic Instagram Engagement Strategy
Using the GlowLagos 90-post-audit dataset, the GlowLagos brand brief, and the competitor snapshot, audit the brand's recent Instagram activity and explain why the engagement rat…
- Social Media Audit
- Content Strategy
- Instagram Marketing
Open coursework 
DesignBeginnerNewDesign a Canary Deployment Strategy for Corso Nove Checkout
Using the incident postmortem (incident-postmortem), the platform architecture spec (platform-architecture-spec), the per-service reliability targets (slo-targets-brief), and th…
- Flagger
- Argo Rollouts
- Canary Deployment
Open coursework- Browse challenges
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.
- StrategyBeginnerNew
Growth Strategy for a London D2C Cosmetics Brand
Your task is to develop a 12-month retail expansion plan. Analyze the trade-offs between D2C and retail channels, assess the brand's readiness for B2B relationships, and propose…
- Market Analysis
- Financial Modeling
- Go To Market Strategy
Open coursework - AnalysisBeginnerNew
Multiples Valuation for a SaaS Scale-Up Going Enterprise
Your team must select a peer group of 8-10 public SaaS companies that started PLG and later added enterprise sales. Compute forward EV/Revenue multiples and assess CloudFlow's r…
- Comparable Company Analysis
- Revenue Multiples
- Rule Of 40
Open coursework - AnalysisBeginnerNew
AI-Powered Customer Sentiment Analysis for a Fintech App
You will receive a dataset of 500+ anonymized app reviews and tweets. Using AI tools like ChatGPT or Claude, you must craft prompts to classify sentiment (positive, negative, ne…
- Prompt Engineering
- Sentiment Analysis
- Data Visualization
Open coursework - DesignBeginnerNew
Build a Multi-Criteria Vendor Selection Tool for an AI Consulting Firm
You will design a Multi-Criteria Decision Analysis (MCDA, a structured way to score options against weighted criteria) tool that accepts 6-10 vendor options, 6-12 weighted crite…
- Mcda
- Decision Support Systems
- Streamlit
Open coursework Get recognized by recruiters and employers.
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Why Ewance
- CodeBeginnerNew
Refactor a Tangled Java Pricing Engine With Design Patterns
Start from a provided Java 21 codebase with the legacy PricingEngine class, 38 example fixtures (input cart, expected price), and one failing test demonstrating a bug from last …
- Java
- Design Patterns
- Refactoring
Open coursework - DesignBeginnerNew
Design a Playwright Checkout Test Suite That Blocks Bad Merges
Using the checkout incident export, identify the single most valuable happy path plus the six edge cases tied to the most frequent and most severe past incidents (for example fa…
- End To End Testing
- Playwright
- Ci Cd
Open coursework - DesignBeginnerNew
SAP HCM Implementation for a 40-Person SaaS Scale-Up
Your challenge is to configure SAP SuccessFactors Employee Central for Cloudlytics. You will define organizational structure, position management, and employee master data. Then…
- SAP Successfactors
- Hcm
- Business Process Design
Open coursework - AnalysisBeginnerNew
Currency Risk Hedging for a German Exporter
You are a junior treasury analyst. Analyze the company's transaction exposure by reviewing historical exchange rate data and forecasted cash flows. Recommend a hedging strategy …
- Exchange Rate Analysis
- Financial Hedging
- Risk Management
International Economics - 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
IDE-Assisted Refactoring Bootcamp for a Junior Backend Team
Design a 5-day curriculum centered on 10 katas chosen for refactoring-pattern coverage (e.g., Gilded Rose for replace-conditional-with-polymorphism, Tennis kata for extract-meth…
- Refactoring
- Katas
- Ide Tooling
Refactoring and Code Smell Detection - AnalysisBeginnerNew
Revenue Recognition Audit for a Stockholm Subscription-Software Scale-up
Working only from the three anonymized contract case-files, the current recognition schedule extract, and the official IFRS 15 standard page provided to you, restate revenue for…
- IFRS 15
- Revenue Recognition
- Contract Analysis
Open coursework - CodeBeginnerNew
Build an I/O Benchmarking Harness for an Edge Storage Appliance
Receive the appliance specs (4x 7.68TB Gen4 NVMe, ZFS, Linux kernel 5.15), the 3 target workload profiles (4KB random read at QD32, 1MB sequential write at QD8, mixed 70/30 read…
- Io Benchmarking
- Fio
- System Calls
Computer Systems and Organization - DesignBeginnerNew
Design a Production HTTP/2 Load Balancer Configuration
Design a multi-region topology: anycast edge -> regional Envoy clusters -> origin services. Specify HTTP/2 connection pooling (max connections per upstream, idle timeout), retry…
- Application Protocols
- Load Balancing
- Envoy
Computer Networks - AnalysisBeginnerNew
Tax Strategy for a Copenhagen D2C Cosmetics Startup
Your task is to research the EU VAT rules for cross-border e-commerce, including the One Stop Shop (OSS) scheme. You must evaluate the tax rates in Denmark, France, Italy, and S…
- Tax Analysis
- EU Vat
- Cross Border Ecommerce
Open coursework - AnalysisBeginnerNew
Predict Equipment Failure for a Wind-Farm Operator
You receive 18 months of SCADA (Supervisory Control and Data Acquisition — the standard turbine telemetry feed) data sampled every 10 minutes from all 240 turbines, with labeled…
- Classification
- Regularized Regression
- Gradient Boosting
Open coursework - StrategyBeginnerNew
Migrate Glow Naturals to Dynamics 365 Business Central
Your analysis task is to turn the documented situation in the 'Glow Naturals current-state file' (CASE-001) into a defensible migration blueprint, using the legacy data sample i…
- Microsoft Dynamics 365
- Business Process Mapping
- Data Migration
Open coursework
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.
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