Intermediate Challenges
Real-world scenarios at the intermediate level. Earn verified credentials as you practice the work your degree prepares you for.
- CodeIntermediateNew
Design an SAT-Based Verifier for an Autonomous-Vehicle Test Lab
Model a simplified four-way intersection: agent positions, lights, and discrete time steps. Define 5 safety properties in propositional logic (e.g., 'no two agents in the inters…
- Sat Solving
- Logical Inference
- Formal Verification
Artificial Intelligence: Principles and Techniques - AnalysisIntermediateNew
Mapping TaskFlow's Influencer Network for Enterprise Reach
Working from the campaign case file, the account-attributes dataset, and the interaction-edges dataset (all listed in provided materials), build a directed influence network whe…
- Network Analysis
- Twitter API
- Influencer Identification
Open coursework - CodeIntermediateNew
Integer Programming for Cloud Resource Allocation
Your task is to formulate an integer programming model to select the number of reserved instances (each type: compute, memory, storage) and allocate on-demand instances monthly.…
- Integer Programming
- Python
- Pulp
Operations Research and Optimization - CodeIntermediateNew
Kill Surviving Mutants in a Travel Pricing Service
Work entirely from the provided pricing module (pricing-module) and its existing test suite (existing-tests), using the scenario facts in the briefing document (challenge-brief)…
- Mutation Testing
- Java
- Junit
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
- StrategyIntermediateNew
Global Marketing Campaign for a Sustainable Fashion Brand in 3 Markets
Your task is to analyze cultural values in Japan (collectivism, high-context), Brazil (high power distance, relationship-oriented), and Germany (individualism, low-context) usin…
- Cross Cultural Marketing
- Cultural Analysis
- Global Strategy
Open coursework - ResearchIntermediateNew
Evaluate VAEs vs. Diffusion for Synthetic Tabular-Data Generation
You receive a real labeled dataset (around 18,000 anonymized patient records, 32 features, binary outcome) and the team's existing VAE baseline. Train a tabular diffusion model …
- Tabular Diffusion
- Vae
- Synthetic Data
Generative AI - DesignIntermediateNew
FMEA for SaaS Platform Migration at a 40-Person Scale-Up
You are provided with a system architecture overview and a list of potential failure modes from the engineering team. Your task is to complete an FMEA worksheet: identify failur…
- Fmea
- Risk Assessment
- Mitigation Strategy
Open coursework - AnalysisIntermediateNew
Audit GreenLeaf Grocers' Goodwill Impairment Test
Using the management impairment workbook (material m1), the five-year operating history (material m2), the peer and market benchmark readout (material m3), and the PCAOB standar…
- Impairment Testing
- Discounted Cash Flow
- Goodwill
Open coursework - 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.
- CodeIntermediateNew
3D Reconstruction of Cultural Artifacts from Photo Sets
Use COLMAP (open-source SfM) + OpenMVS (open-source MVS) on a curated dataset of 5 small artifacts plus a calibration cube. Build a single Python CLI that ingests a folder of im…
- Structure From Motion
- Multi View Stereo
- 3d Reconstruction
Computer Vision - CodeIntermediateNew
Containerized Model Inference on Kubernetes for a Fintech
You receive a pre-trained credit-risk model (a LightGBM model file) and a sample request payload. Containerize a FastAPI inference service, deploy to EKS or GKE (a single-zone c…
- Kubernetes
- Containerization
- Autoscaling
Cloud Computing for Data and ML - CodeIntermediateNew
Adapt Machine Translation to a Niche Domain
Pick an open MT base (NLLB-200 or a strong open M2M model). Build a parallel corpus of around 8,000 sentence pairs from the company's bilingual safety standards. Fine-tune on th…
- Machine Translation
- Domain Adaptation
- Transformers
Natural Language Processing - StrategyIntermediateNew
Executing a Sustainability Transformation in Fast Fashion
Develop a comprehensive strategy execution plan that outlines how the company can embed sustainability into sourcing, supply chain, and marketing. The plan must include specific…
- Sustainability Strategy
- Change Management
- Supply Chain Analysis
Open coursework Get recognized by recruiters and employers.
Credentials are blockchain-anchored via LearnCoin — tamper-evident, portable, link-shareable on LinkedIn and beyond.
Why Ewance
- AnalysisIntermediateNew
Randomized Load Balancer with the Power of Two Choices
Simulate four placement policies on a 24-hour anonymized connection-establishment trace (around 4.1 billion events): (1) random-1, (2) round-robin, (3) P2C with instantaneous lo…
- Power Of Two Choices
- Load Balancing
- Randomized Algorithms
Open coursework - CodeIntermediateNew
Design Error Recovery for a Friendly Compiler
Read the existing parser (recursive-descent, in Rust). Design and implement a panic-mode error recovery strategy with synchronization tokens (statement boundary, end of block, s…
- Error Recovery
- Recursive Descent Parsing
- Diagnostic Design
Compiler Construction - CodeIntermediateNew
Solve a Vehicle-Routing Problem with Tabu Search
You receive a week of anonymized daily VRPTW instances (around 800 orders per day, 120 vehicles, hard delivery windows). Implement tabu search with: a route-insertion constructi…
- Tabu Search
- Metaheuristics
- Vehicle Routing
Evolutionary Computation and Metaheuristic Search - AnalysisIntermediateNew
Business Model Innovation for a Traditional Bookstore Chain
Your task is to research and analyze three business model options for PageTurners. For each, assess market potential, required investment, and alignment with core competencies. …
- Business Model Canvas
- Market Research
- Financial Analysis
Open coursework - CodeIntermediateNew
Design an Anti-Corruption Layer for a Legacy Hospital EHR
Map the legacy EHR's HL7 v2 message schema (ADT, ORM, ORU segments) to the new platform's domain (Patient, Encounter, Order, Result). Identify the 6-10 anti-patterns in the lega…
- Anti Corruption Layer
- Hl7 Integration
- Domain Modeling
Domain-Driven Design - AnalysisIntermediateNew
Capstone Lab: Diagnose Why a Production Model Quietly Stopped Working
You receive 6 months of production logs (model inputs, predictions, ground truth from chargebacks) plus the original training data and model card. Reproduce the recall drop in a…
- Data Drift Detection
- Model Monitoring
- Root Cause Analysis
Open coursework - CodeIntermediateNew
Tune a Multicore Pipeline with NUMA-Aware Sharding
Receive the current worker (Rust, around 8,000 lines, uses rayon for its parallelism), the host (2-socket AMD EPYC 9354, 64 cores total, 384GB DDR5), and a benchmark query workl…
- Parallel Performance
- Numa
- Rust
Advanced Concurrency and Parallel Computing - DesignIntermediateNew
Design and Run a Platform-as-Product Quarterly Review
Using the platform product catalog (platform-product-catalog) and the Head of Platform's mandate (head-of-platform-brief), design a complete, repeatable quarterly review for the…
- Platform Engineering
- Platform As Product
- Facilitation
Open coursework - StrategyIntermediateNew
Revitalize a Heritage Swiss Watch Brand
Your task is to create a 3-year brand revitalization plan. Constraints: no price reduction below CHF 2,000; must maintain Swiss-made certification; budget of CHF 5 million for m…
- Brand Positioning
- Luxury Marketing Mix
- Consumer Insights
Luxury Brand Management - DesignIntermediateNew
Organizational Restructuring for a SaaS Scale-Up
Your task is to design a new organizational structure for DataFlow Analytics. You must interview stakeholders (simulated via personas), analyze current bottlenecks, propose a st…
- Organizational Design
- Change Management
- Stakeholder Analysis
Principles of Management - DesignIntermediateNew
Design a Churn Prediction and Retention Proposal for ConnectTel
Using the ConnectTel customer sample (the provided dataset) and the ConnectTel retention context brief, design a proposal for predicting which customers are most likely to leave…
- Logistic Regression
- Classification Metrics
- Feature Selection
Open coursework - StrategyIntermediateNew
Twelve-Month Smart-Operations Roadmap for a Growing Analytics Firm
Using the anonymized company case file and the internal-operations activity dataset provided to you, produce a 12-month digital transformation roadmap that automates the firm's …
- Industry 4 0
- Cyber Physical Systems
- Iot
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.