Real-World Challenges Aligned to Your Coursework
Real scenarios from business, engineering, design, and analysis. Practice the work your degree prepares you for, earn verified credentials, build a portfolio recruiters can verify.
- StrategyBeginnerNew
Design an Internal AI-Use Policy for a Mid-Cap Bank
You receive the bank's existing IT-acceptable-use policy and a description of which AI tools are being rolled out (an internal Anthropic Claude wrapper for general use; a code-c…
- Ai Governance
- Policy Design
- Responsible Ai
AI Ethics, Fairness, and Responsible AI - AnalysisIntermediateNew
Vehicle-to-Everything (V2X) Communication Trial Analysis
Load the anonymised dataset (logged packet RX/TX, PC5 sidelink RSSI, RSRP, SINR, vehicle trajectory, application latency for safety messages). Compute the canonical 3GPP Release…
- C V2x
- Pc5 Sidelink
- Wireless Performance Analysis
Wireless and Mobile Networks - AnalysisIntermediateNew
Harden a Medium-Voltage Grid Against Storm-Season Failures
Build a network model of the medium-voltage service area from the provided node and edge datasets (roughly 1,600 nodes and 1,900 links, each link carrying capacity, install year…
- Network Science
- Graph Analysis
- Resilience Analysis
Open coursework - CodeSeniorNew
Run a Backpropagation Bug-Hunt on an Open-Source RL Implementation
You receive the offending fork (around 4,000 lines of PyTorch) and three known-failure seeds. Reproduce the NaN failure deterministically, instrument the forward and backward pa…
- Backpropagation
- Pytorch
- Debugging
Deep Learning 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
- AnalysisIntermediateNew
Application Portfolio Rationalization at a Global Bank
Receive a CMDB extract of 412 applications with cost, technology stack, business owner, and usage telemetry (anonymized). Score each application on business value (revenue contr…
- Portfolio Rationalization
- It Governance
- Cost Analysis
IT Management and Governance - DesignBeginnerNew
Establish IT Governance for a Hyper-Growth Consultancy
Analyze 18 months of SaaS expense data and the failed client-audit report to identify the top 5 governance gaps. Design a framework covering: SaaS procurement (who approves what…
- It Governance
- Saas Management
- Access Management
Open coursework - CodeBeginnerNew
Stack Five Models for a Kaggle-Style Forecasting Bake-Off
You receive a pseudonymized dataset of 24 months of daily shipment volumes across about 200 origin-destination lanes plus weather and holiday features. Train 5 base models, use …
- Ensemble Methods
- Time Series Forecasting
- Feature Engineering
Advanced Machine Learning - CodeBeginnerNew
Build a Booking Web App for a Boutique Hotel Group
Design the data model (properties, rooms, availability, bookings, guests). Build the Next.js app with the App Router: 4 public pages (search, results, room detail, checkout), 1 …
- Nextjs
- React
- REST API
Web Application Development - Browse challenges
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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.
- ResearchBeginnerNew
Ransomware Underwriting Brief for a Zurich Cyber Insurer
Using the underwriting mandate brief, the initial-access listing sample, the Ransomware.live tracker, and the public CISA cybersecurity advisories provided, produce a quarterly …
- Threat Intelligence
- Cybercrime Economy
- Ransomware
Open coursework - CodeIntermediateNew
Multi-Agent Research Assistant for Biotech Patent Review
You receive 20 historical patent applications with the firm's own prior-art memos as ground truth. Design and build a 3-agent system: (a) Searcher — issues queries to a patent-s…
- LLM Agents
- Multi Agent Collaboration
- Agent Evaluation
AI Agents and LLM-Based Agents - 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 - DesignBeginnerNew
Redesign an AI Chat Sidebar for an Edtech Tutor
You receive a short Loom walkthrough of the live product, a CSV of 5,000 anonymized teacher-flagged sessions, and three teacher interview transcripts. Audit the existing sidebar…
- User Centred Design
- Heuristic Evaluation
- Interaction Design
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- CodeIntermediateNew
Build a Feature Store Backbone for a Healthtech ML Team
You receive synthetic wearable telemetry (heart rate, accelerometer, sleep stages) for around 5,000 patients across 90 days, plus the existing scattered feature scripts from the…
- Feature Engineering
- Data Modeling
- Python
Data Engineering and Big Data Systems - AnalysisIntermediateNew
Technical-Debt Quantification for an Acquired SaaS
Run a static-analysis sweep (SonarQube + custom dependency scripts) and a 4-hour structured walkthrough with the acquired team's 3 senior engineers. Categorize debt into: code-q…
- Technical Debt
- Code Analysis
- Estimation
Software Evolution and Maintenance - AnalysisIntermediateNew
Open-Source License Audit and 60-Day Remediation Plan for Lumen Observability
Work only from the four items in provided_materials. Start with the dependency inventory (the 'Lumen dependency inventory' dataset), which lists every open-source package, its d…
- Oss Licensing
- Sbom
- Supply Chain
Open coursework - ResearchSeniorNew
DPO Preference-Tune a Code Assistant for Style Compliance
You receive a 7B coding base model, a client's published code-style guide (Python, around 80 pages), and a generated preference dataset (4,000 pairs of code snippets where one m…
- Dpo
- Preference Optimization
- Fine Tuning
Fine-Tuning Large Language Models - StrategyBeginnerNew
REST API Versioning Strategy for a 4-Year-Old Public API
Pick a versioning scheme (URI path vs header-based) and justify it against integrator behavior. Define the deprecation lifecycle: announce → deprecate → sunset, with concrete ti…
- REST API Design
- API Versioning
- Openapi
Engineering Software as a Service - CodeIntermediateNew
Refactor a Tangled Order Aggregate at a Logistics Platform
Work in the provided Spring Boot 3 + Java 21 codebase. Identify the true aggregate roots (likely candidates: Order, Shipment, Invoice) and split the god object accordingly. Extr…
- Tactical Ddd
- Aggregate Design
- Java Refactoring
Open coursework - CodeFoundationalNew
Build a Best-First Search Solver for a Delivery Startup's Test Lab
Build a Python module exposing uniform-cost search and A-star search on a 2D grid with weighted cells (open road, traffic, no-go). Implement two admissible heuristics for A-star…
- Search Algorithms
- Heuristic Design
- Python
Introduction to Artificial Intelligence - CodeBeginnerNew
Implement Async Message-Passing for an IoT Gateway
Receive the current gateway source (Python 3.11, single-threaded paho-mqtt client + a serial HTTP forwarder, ~1,100 lines), a sensor-simulator that fans out 500 mock sensors at …
- Async Programming
- Message Passing
- Asyncio
Concurrent and Parallel Programming - CodeSeniorNew
Implement Raft Consensus for a Self-Hosted Feature-Flag Service
Implement the core Raft algorithm (leader election, log replication, snapshotting) from the original Ongaro & Ousterhout paper. Use an embedded key-value store (BoltDB or sled) …
- Raft Consensus
- Go Programming
- Grpc
Open coursework - CodeIntermediateNew
Build a Neural Surrogate for Computational Fluid Dynamics in HVAC Design
Use a published CFD dataset (e.g., AirfRANS or a small in-house dataset if available) of around 1,000 steady-state airflow simulations on 2D building zones. Train a Fourier Neur…
- Neural Operators
- Surrogate Modeling
- Computational Fluid Dynamics
AI for Science and Engineering - AnalysisBeginnerNew
GDPR Article 25 Privacy-By-Design Review for a HealthTech API
Review the API specification (OpenAPI 3, provided, 42 endpoints). For each endpoint: identify data categories handled (special-category health data, identifiers, traffic data), …
- GDPR
- Privacy By Design
- API Design
Privacy-Enhancing Technologies - CodeSeniorNew
Grounded Language for a Robotics Pick-and-Place Demo
Use a tabletop simulator (PyBullet or Isaac Sim, both open) with 5 object types and 5 spatial relations (left of, right of, behind, in front of, on top of). Curate or generate a…
- Grounded Language Understanding
- Semantic Parsing
- Perception
Open coursework
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