Beginner Challenges
Real-world scenarios at the beginner level. Earn verified credentials as you practice the work your degree prepares you for.
- 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 - StrategyBeginnerNew
Revitalizing a Legacy Retailer's Digital Strategy
Your task is to conduct an industry analysis using Porter's Five Forces, assess the company's internal resources via a VRIO framework, and develop a strategic recommendation for…
- Industry Analysis
- Competitive Strategy
- Digital Transformation
Open coursework - 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 - 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
Open coursework 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
- 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
- Excel Modeling
Open coursework - AnalysisBeginnerNew
Developer-Experience Audit of a Public REST API
Using only the four provided materials, audit the version 3 candidate API as if you were a first-time developer. Read the audit charter ('audit_brief') to understand the foundat…
- Developer Experience
- API Design
- Documentation
Open coursework - AnalysisBeginnerNew
Brand Alliance Strategy for a Sustainable Fashion Startup
You are a brand strategy analyst for EcoThreads. Your task is to recommend a brand alliance partner and propose a co-branding campaign. Constraints: budget of €200k for the camp…
- Brand Alliances
- Co Branding
- Brand Equity Measurement
Open coursework - AnalysisBeginnerNew
Valuing a Toronto D2C Cosmetics Scale-Up
Your task is to build a financial model projecting GlowUp's cash flows for 5 years, estimate terminal value, and derive an equity value per share. You must also select a peer gr…
- Financial Modeling
- DCF Valuation
- Comparable Company Analysis
Open coursework - Browse challenges
Explore role
Product Manager
Ship product that solves real user problems. Combine user research, prototyping, and stakeholder alignment to turn ambiguous briefs into measurable wins — the role at the centre of modern software teams.
- CodeBeginnerNew
Hybrid Search RAG for a HR-Policy Assistant
You receive 1,800 pages of policy documents (Markdown) and 150 labeled question-answer pairs with the gold source policy IDs. Build a hybrid retrieval pipeline: BM25 + dense emb…
- Hybrid Search
- Bm25
- Dense Retrieval
Open coursework - StrategyBeginnerNew
Simulation-Based Customer Success Staffing Plan for Flowly
Using the historical ticket log, the growth-scenarios brief, and the current-operations and service-level specification provided to you, build a discrete-event simulation of Flo…
- Simulation
- Capacity Planning
- Scenario Analysis
Open coursework - AnalysisBeginnerNew
Cache Configuration Study for a Memory-Bound Workload
Profile the existing inner loop on a workstation with perf to baseline L1/L2/L3 miss rates and miss latencies. Run the same loop through gem5's classic cache model under 6 confi…
- Caches
- Memory Subsystems
- Performance Modeling
Computer Architecture - DesignBeginnerNew
Design a Lean ITIL Service Desk for a Cosmetics Startup
Using the support operations snapshot (support-ops-snapshot), the twelve-month ticket log (support-ticket-log), and the executive mandate (ceo-mandate-and-budget), and drawing o…
- Itil
- Service Desk
- Incident Management
Open coursework 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
- PresentationBeginnerNew
Storytelling Visualization of an Autonomous Vehicle Test Campaign
You receive aggregated test results: 12,000 test runs across dry, wet, and snow conditions, with metrics for disengagement rate, near-miss count, and route-completion percentage…
- Data Storytelling
- Audience Adaptation
- Chart Design
Data Visualization - CodeBeginnerNew
Ship a Churn-Prediction Mini-Project End to End
You receive a 12-month anonymized dataset of subscriber events (logins, lesson completions, payment history, support tickets) for around 200,000 users. Define churn precisely (n…
- Feature Engineering
- Model Evaluation
- Gradient Boosting
Open coursework - 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) - AnalysisBeginnerNew
Cellular IoT NB-IoT vs LTE-M Choice for Smart Metering
Define 6 evaluation axes: indoor / basement coverage (MCL / Maximum Coupling Loss target), battery life (15-year), data cadence (1 message every 4 hours), mobility (static), MNO…
- Nb Iot
- Lte M
- Cellular Iot
Open coursework - CodeBeginnerNew
Semantic Segmentation for a Solar-Panel Inspection Drone
Use a publicly-available solar-panel dataset (or the PV-Defect-Detection dataset). Fine-tune a small U-Net or SegFormer-tiny on panel/no-panel pixel-level segmentation. Evaluate…
- Semantic Segmentation
- Cnn
- Transfer Learning
Open coursework - CodeBeginnerNew
Open-Domain QA over Product Documentation
You receive a snapshot of the documentation (Markdown) and 120 real support questions with the URLs of pages containing the answer. Build an open-domain QA pipeline: chunk the d…
- Open Domain Qa
- Passage Retrieval
- Reading Comprehension
Open coursework - AnalysisBeginnerNew
Wireless Security Audit and Hardening for a Telco's Public Wi-Fi
Your analysis task is built entirely on three provided materials: the 80-access-point configuration inventory, the 30-day authentication (RADIUS) log extract for those same acce…
- Wireless Security
- Wpa3
- Eap
Open coursework - StrategyBeginnerNew
Rebuild Rheinische Post's Digital Revenue Model in 12 Months
Using only the de-identified internal record (rp-case-file) and the monthly audience-and-revenue history (rp-metrics), map Rheinische Post's current business model on a Business…
- Business Model Canvas
- Digital Transformation
- Value Proposition Design
Open coursework - PresentationBeginnerNew
Run an Incident-Response Tabletop for a Healthtech On-Call Team
Design 3 tabletop scenarios with realistic timeline injects (every 5-10 minutes, new info arrives). Run the tabletop hybrid (in-person + remote) with the 8 on-call engineers + 2…
- Incident Response
- Tabletop Exercises
- Incident Command System
Open coursework - StrategyBeginnerNew
Design Wealthsimple's Innovation Ecosystem Strategy
Using only the materials provided, examine Wealthsimple's current ability to innovate and decide what kind of innovation ecosystem it should build. Read the innovation audit mem…
- Ecosystem Mapping
- Open Innovation
- Corporate Venturing
Open coursework - DesignBeginnerNew
Use-Case Specification for a Marketplace Disputes Workflow
Identify 5 primary use cases (e.g., 'Buyer opens dispute within 7-day window', 'Seller counters with evidence', 'Operations escalates to refund'). For each: actors, precondition…
- Use Cases
- Cockburn Template
- Requirements Specification
Open coursework - AnalysisBeginnerNew
Analyze a Learning-Analytics Dataset for At-Risk Detection
You receive an anonymized dataset of LMS engagement features (logins, assignment submissions, forum posts, video-watch time), grade history, and a binary label for end-of-semest…
- Learning Analytics
- Classification
- Fairness Metrics
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.