Beginner Challenges
Real-world scenarios at the beginner level. Earn verified credentials as you practice the work your degree prepares you for.
- AnalysisBeginnerNew
ESG Reporting for a Chicago D2C Cosmetics Startup
Your task is to develop a 3-page ESG reporting framework for Glow Naturals, including materiality assessment, KPIs (e.g., carbon footprint, water usage, waste reduction), and a …
- ESG Reporting
- IFRS Standards
- Financial Analysis
Open coursework - CodeBeginnerNew
Ship a Lightweight ML Microservice for an EdTech Reading App
You receive 3 months of session telemetry (around 50M reading events, child-anonymized). Engineer features per session window, train a small classifier (logistic regression base…
- Feature Engineering
- Model Serving
- Containerization
Applied Machine Learning - StrategyBeginnerNew
Pitch a Regulatory Sandbox Application for an Edtech AI Product
Read the EU AI Regulation's regulatory-sandbox provisions. Pick a member-state sandbox program (Spain, Norway-as-EEA, or a German-state pilot are publicly documented options) an…
- Regulatory Analysis
- Ai Governance
- Product Strategy
Open coursework - 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
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
Topic Modeling for Sustainable Fashion Brand's Social Media
You are given a dataset of 50,000 social media posts (text only) mentioning EcoWear. Your task is to preprocess the text, apply an unsupervised topic modeling technique (e.g., L…
- Topic Modeling
- Text Mining
- Lda
Open coursework - DesignBeginnerNew
Design a Scalable Recruitment Process for a Growing Cosmetics Startup
Using the company case file, the hiring-metrics readout, the role intake notes, and the candidate-experience survey provided to you, design a recruitment process for three roles…
- Recruitment
- Job Analysis
- Interview Design
Open coursework - DesignBeginnerNew
Conversational UI for a Personal-Finance Assistant
You will work from 4 scripted scenarios: 'how much did I spend on coffee last month', 'why did my rent payment fail', 'help me set up an emergency fund', and an out-of-scope 'is…
- Conversational Ui
- Dialogue Design
- Trust Design
Open coursework - DesignBeginnerNew
Designing a Digital Platform for Local Artisans in Nairobi
Your task is to design a digital platform business model for CraftConnect. You must define the value proposition for artisans and buyers, propose a revenue model (e.g., commissi…
- Platform Business Models
- Value Proposition Design
- User Experience Design
Digital Business Models - Browse challenges
Explore role
Pricing Strategist
Set the price that captures value without leaving sales on the table. Demand modelling, willingness-to-pay research, and the disciplined experimentation that turns pricing into a competitive advantage.
- AnalysisBeginnerNew
Build a Reproducible Pricing Analysis for a DTC Skincare Brand
You receive 24 months of order-line data (around 480,000 lines), a Shopify-style customer export, and a discount-code log. Build a Python pipeline that produces: SKU-level price…
- Data Wrangling
- Exploratory Data Analysis
- Cohort Analysis
Applied Data Analysis and Practical Data Science - CodeBeginnerNew
Build a Crawler-and-Topic Pipeline for Public-Sector Web Analytics
You will build a polite, robots.txt-respecting crawler that ingests about 30,000 new posts/week across the 80 forums into a normalized dataset. Apply a topic model (BERTopic, wi…
- Web Crawling
- Topic Modeling
- NLP Pipeline
Open coursework - 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 - PresentationBeginnerNew
Pitch an LLM Earnings-Call Analyst to an Equity Long-Short Team
Pick 3 publicly available US tech earnings-call transcripts (from a free source like sec.gov filings or company investor-relations pages) and build a retrieval-augmented LLM wor…
- Prompt Engineering
- Retrieval Augmented Generation
- LLM Evaluation
AI and Quantitative Finance Get recognized by recruiters and employers.
Credentials are blockchain-anchored via LearnCoin — tamper-evident, portable, link-shareable on LinkedIn and beyond.
Why Ewance
- DesignBeginnerNew
Propose a Cryptographic Target State for a Checkout Stack
Working solely from the four supplied materials — the stack architecture case file, the testssl.sh export corpus, the cryptographic configuration specification, and the best-pra…
- Cryptography
- Tls
- Pci Dss
Open coursework - 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
- Financial Modeling
- Channel Strategy
Open coursework - AnalysisBeginnerNew
Cost Allocation for an Austin D2C Cosmetics Startup
You are a junior management accountant hired by GlowUp. Using provided financial data (sales, direct costs, overhead pools, and activity drivers), implement an ABC model to allo…
- Activity Based Costing
- Cost Allocation
- Profitability Analysis
Open coursework - 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
Open coursework - DesignBeginnerNew
Interactive Figma Prototype for a Wealth-Onboarding Flow
Audit the contractor's static Figma file for inconsistencies (typography scale, spacing tokens, missing states). Restructure into a working design system using Figma variables f…
- Figma
- Interactive Prototyping
- Design Systems
User Interface Design and Prototyping - DesignBeginnerNew
Design a GPU-Accelerated Real-Time Wind Turbine Fleet Dashboard
Using the four provided materials, write a design proposal for the rebuilt fleet dashboard. The turbine fleet seed dataset defines the turbines you will render and how to scale …
- Webgl
- Gpu Pipeline
- Data Visualization
Open coursework - AnalysisBeginnerNew
Hedging Currency Risk for a German Solar Exporter
Your task is to quantify Solara's net exposure in each currency, recommend a hedging mix (e.g., 70% forwards, 30% options) with rationale, calculate the cost of the strategy usi…
- Currency Hedging
- Financial Modeling
- Risk Analysis
Open coursework - CodeBeginnerNew
CI/CD Pipeline for a SaaS Monorepo with 14 Services
Set up Nx (or Turborepo) for affected-graph computation. Configure remote build cache (S3-backed) so cached steps skip across runs and developers. Parallelize jobs in GitHub Act…
- Ci Cd
- Monorepo
- Nx
Open coursework - AnalysisBeginnerNew
Build a Restoration Workflow for a Digital Heritage Archive
You receive 50 high-resolution scans of glass plates plus 3 reference 'gold' restorations done by a senior conservator. Design a reproducible workflow combining inpainting for s…
- Image Restoration
- Inpainting
- Tone Mapping
Open coursework - AnalysisBeginnerNew
Commercial Due Diligence on a Seoul Direct-to-Consumer Cosmetics Brand
Working only from the materials provided, build a commercial due diligence assessment of GlowUp Cosmetics. Use the customer cohort dataset to reconstruct retention curves, lifet…
- Commercial Due Diligence
- Customer Analytics
- Unit Economics
Open coursework - DesignBeginnerNew
A/B-Test a Recommender Improvement Without Breaking Trust
You receive offline-evaluation results for both the production and candidate models plus aggregate metrics from the last 12 weeks (recipe views, save rate, weekly active users, …
- Experiment Design
- Ab Testing
- Metric Design
Machine Learning in Practice - AnalysisBeginnerNew
Plan and Validate a MySQL-to-PostgreSQL Records Migration
Using the de-identified case record (incident-file-records-office), the representative schema export (mysql-schema-sample), and the anonymized staging extract (staging-records-s…
- Database Migration
- Mysql
- Postgresql
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.
Industry teams behind a decade of practitioner briefs
Hiring from this pool?
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.