Beginner Challenges
Real-world scenarios at the beginner level. Earn verified credentials as you practice the work your degree prepares you for.
- CodeBeginnerNew
Characterization Tests for an Untested Pricing Engine
Drive the pricing engine with around 800 representative input vectors generated from anonymized production quotes (provided). For each vector, capture the current output as the …
- Characterization Tests
- Approval Testing
- Legacy Code
Refactoring and Code Smell Detection - AnalysisBeginnerNew
Valuation of a Vienna D2C Cosmetics Startup
You are a junior financial analyst at a boutique valuation firm. GlowVienna has provided you with historical financial data (revenue, expenses, customer counts) for the past thr…
- DCF Modeling
- Comparable Company Analysis
- Spreadsheet Modeling
Financial Modeling - CodeBeginnerNew
Performance Optimization for a Slow Storefront
Run Lighthouse + WebPageTest baselines on 3 representative pages (home, product detail, cart). Set up Real User Monitoring (RUM) via Vercel Analytics or web-vitals.js. Ship 5 di…
- Web Performance
- Web Performance (Lighthouse, Core Web Vitals)
- Nextjs
Web Application Development - AnalysisBeginnerNew
Developing a Talent Retention Strategy for a Renewable Energy Firm
Your task is to conduct a retention analysis using provided exit interview data, turnover metrics, and compensation benchmarks. Then design a retention strategy with at least th…
- Retention Analysis
- Turnover Metrics
- Compensation Benchmarking
Human Resource Management 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
- StrategyBeginnerNew
Modernize an ERP Customization Strategy via Sidecar Apps
Catalog the 23 customizations by type (workflow, UI extension, integration, report, business logic) and impact on upgrade cycles. For each, propose the right BTP target (CAP ser…
- SAP Btp
- Cap Framework
- Enterprise Architecture
Enterprise and Business Software Engineering - CodeBeginnerNew
GPU Cost Dashboard for an AI Consulting Practice
Pull AWS Cost and Usage Report, GCP billing export, and Lambda Labs invoices into a single Parquet table. Implement a tagging convention (project + client + experiment_id) and a…
- Cloud Cost Attribution
- Etl Pipelines
- Data Modeling
Cloud Computing for Data and ML - CodeBeginnerNew
Build a DSL for Insurance-Policy Rules in OCaml
Design a small DSL covering: variables (insured amount, premium, deductible, named perils), expressions (arithmetic, conditionals, lookups against external tables like CRESTA zo…
- Ocaml
- Domain Specific Languages
- Parser Combinators
Functional Programming - 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 - 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
AI Make-or-Buy Analysis for a Climate-Tech Series-B
You receive: the company's headcount and ML capability map, vendor RFP responses from 3 vendors per category, and 18-month strategic context. For each model category, build a ma…
- Ai Workforce Strategy
- Make Or Buy Analysis
- Vendor Evaluation
AI for Business and AI Product Management - DesignBeginnerNew
Organize a Distributed Team Across 4 Timezones
Audit the current state via 8 interviews (4 in SF, 2 in Warsaw, 2 in Bangalore). Design 4-5 squads each owning a domain end-to-end (not split across timezones for handoff). Buil…
- Team Management
- Distributed Teams
- Communication Design
Software Project Management - AnalysisBeginnerNew
PIPEDA Compliance for a Toronto D2C Cosmetics Startup
Your task is to conduct a privacy compliance audit for Glow Naturals. You must identify at least five key gaps in their data processing practices, focusing on areas such as cons…
- GDPR
- Data Protection
- Compliance Audit
IT Law and Data Protection - StrategyBeginnerNew
Growth Strategy for an Amsterdam D2C Cosmetics Startup
Your task is to analyze GlowUp Naturals' current performance, assess the offline retail opportunity (e.g., partnerships with Sephora or independent boutiques), and propose a pha…
- Market Analysis
- Three Statement Modeling
- Channel Strategy
Management Consulting Get recognized by recruiters and employers.
Credentials are blockchain-anchored via LearnCoin — tamper-evident, portable, link-shareable on LinkedIn and beyond.
Why Ewance
- ResearchBeginnerNew
Run a Product Discovery Sprint for a Vertical SaaS in Logistics
Recruit 8 dispatchers across 5 freight-forwarder customers (intro emails will be facilitated). Run 30-minute interviews using the Opportunity-Solution Tree (a tree-shaped diagra…
- Product Discovery
- User Interviews
- Opportunity Solution Tree
Product Management for Software Engineers - DesignBeginnerNew
ITIL Service Desk Redesign for a D2C Cosmetics Startup
Design a service desk model based on ITIL best practices. Propose a tiered support structure (L1-L3), a self-service portal with knowledge base, and a process for incident manag…
- Itil
- Service Desk
- Incident Management
IT Service Management - AnalysisBeginnerNew
Optimize Hyperparameters with Bayesian Optimization on a Tight Budget
You receive a B2B-SaaS churn dataset (about 12,000 customer-month rows, 38 features) and a fixed sweep budget of 40 trials per model family. Implement a Bayesian optimizer (Optu…
- Bayesian Optimization
- Hyperparameter Tuning
- Ensemble Methods
Advanced Machine Learning - DesignBeginnerNew
Launching a D2C Subscription for a Cosmetics Brand
Your task is to develop a complete subscription product concept and launch strategy. You must define 2-3 subscription tiers (e.g., monthly, quarterly), select product combinatio…
- Product Design
- Pricing Strategy & Elasticity
- Customer Journey Mapping
Product Management - DesignBeginnerNew
Privacy-Preserving Crowd-Density Estimator for Transit Stations
Use a public crowd-counting dataset (e.g., ShanghaiTech or JHU-CROWD) to train a small crowd-density estimator (CSRNet or similar). Wrap it in an on-device pipeline (Python is f…
- Crowd Counting
- Scene Understanding
- Privacy By Design
Visual Intelligence and Visual Reasoning - AnalysisBeginnerNew
Chunking Strategy Bake-Off for Financial Filings
You receive 40 anonymized 10-K filings and 100 labeled questions split into 50 narrative (e.g., 'what is the company's main risk factor?') and 50 numerical (e.g., 'what was oper…
- Document Chunking
- Semantic Chunking
- Layout Aware Chunking
Retrieval-Augmented Generation - 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 Usage Policy
- Ai Governance Frameworks
- Stakeholder Management
AI, Ethics and Society - DesignBeginnerNew
Design the Onboarding for a Consumer-AI Copilot App
You receive: current funnel analytics (1M trial sign-ups over the last 90 days, current activation rate, current D1/D7/D30 retention), a competitor teardown deck, and the founde…
- Product Design
- User Onboarding
- A/B Testing & Experimentation
AI for Business and AI Product Management - AnalysisBeginnerNew
Spectral Clustering for an Urban-Mobility Operator's Network
You receive 6 months of anonymized O-D trip data (around 4 million trips, around 8,000 virtual stations), the current 9 hand-drawn zones, and the operations team's KPIs (rebalan…
- Spectral Methods
- Spectral Clustering
- Graph Laplacian
Machine Learning on Graphs - AnalysisBeginnerNew
Customer Churn Prediction for 40-Person SaaS Scale-Up
You receive a dataset with 500 customers and 10 features (e.g., monthly logins, number of support tickets, contract length, industry). Your task is to perform exploratory analys…
- Logistic Regression
- Classification
- Feature Engineering
Econometrics - AnalysisBeginnerNew
Code-Smell Triage Workshop for a Hiring-Platform Backend
Run static analysis (SonarQube + a custom ruleset for domain-specific smells) on the four most-touched services. Score each smell on the 22-item Fowler catalog by occurrence cou…
- Code Smells
- Static Analysis
- Refactoring Prioritization
Refactoring and Code Smell Detection - CodeBeginnerNew
Design a Domain Model for a Library Loan System (Java)
Implement, in Java 21, an Item type hierarchy (Book, AudioBook, Periodical, EquipmentLoan — each with sub-type-specific rules), Member with eligibility logic, Loan as an aggrega…
- Python Or Javascript
- Oo Design
- Domain Modeling
Object-Oriented Programming and Design
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.
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