Intermediate Challenges
Real-world scenarios at the intermediate level. Earn verified credentials as you practice the work your degree prepares you for.
- StrategyIntermediateNew
Build a Disruption-Resilient Supply Chain for SunVolt Solar
Your task is to diagnose SunVolt's current exposure and design a resilience strategy that hits two targets at once — roughly a 50% reduction in disruption probability and no mor…
- Risk Assessment
- Inventory Optimization
- Sourcing Strategy
Open coursework - ResearchIntermediateNew
Field-Map Enterprise Risk for TaskFlow's First Fortune 500 Deal
Work only from the three provided materials: the TaskFlow company dossier (case-file), the official GDPR text, and the public Verizon VERIS Community Database of disclosed secur…
- Risk Management
- Compliance
- Agile Methodologies
Open coursework - DesignIntermediateNew
Accessibility-First Redesign of an Airport AR Navigation Feature
Using the current feature description in the provided augmented-reality navigation specification, map the existing experience against the two provided legal and technical standa…
- Design For Accessibility
- Interaction Design
- Contextual Inquiry
Open coursework - CodeIntermediateNew
GPU-Parallel Graph Coloring for an EDA Tools Vendor
Implement Jones-Plassmann graph coloring in CUDA (or HIP if AMD hardware available). Input: a 12-million-node graph in CSR format (compressed sparse row). Output: a valid colori…
- Parallel Algorithms
- Gpu Programming
- Cuda
Parallel and Distributed Algorithms 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
- AnalysisIntermediateNew
Architecture Evaluation via ATAM for a Healthcare Platform
Run a 2-phase ATAM (Phase 1: present architecture + elicit quality-attribute goals + analyze approaches; Phase 2: broader stakeholder validation). Capture: business drivers, qua…
- Atam
- Architecture Evaluation
- Quality Attributes
Software Architecture - StrategyIntermediateNew
Choose Between Microservices and Modular Monolith for a Scale-Up
Audit the codebase: lines of code per Rails engine, deploy frequency, change-coupling between engines (using git co-change analysis), per-engine on-call burden. Survey the 4 squ…
- Architecture Decision
- Team Topologies
- Modular Monolith
Software Architecture - CodeIntermediateNew
Refactor a Tangled Terraform Repo for a Multi-Account AWS Estate
Working only from the materials provided — the de-identified repository snapshot, the account-and-region inventory, the plan-timing-and-drift readout, and the platform team's in…
- Terraform
- Terragrunt
- Infrastructure As Code
Open coursework - CodeIntermediateNew
Halve the Inner Solver in a Crash-Simulation Pipeline
Using the public structural finite-element matrices declared in `structural-matrices` as stand-ins for three production mesh sizes, benchmark four combinations: (1) GMRES with i…
- Sparse Linear Algebra
- Krylov Methods
- Preconditioning
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.
- AnalysisIntermediateNew
Relevant Costing for a Sustainable Fashion Brand's Make-or-Buy Decision
You are a management accountant at EcoThreads. The company currently produces 10,000 T-shirts/month in-house with fixed costs of £50K (including £20K unavoidable) and variable c…
- Relevant Costing
- Make Or Buy Analysis
- Qualitative Analysis
Open coursework - ResearchIntermediateNew
Tune a PPO Policy for an Energy-Storage Trading Bot
You receive 18 months of 15-minute Nordic spot-price data, a battery dynamics model (capacity, round-trip efficiency, degradation curve), and a rule-based baseline that earns ab…
- Policy Gradients
- Ppo
- Reinforcement Learning
Deep Reinforcement Learning - CodeIntermediateNew
Multi-View Pose Estimation for a Sports-Analytics Startup
Use the publicly-released SoccerNet or a synthetic 4-view dataset (you can render with Unity or use a provided one). Implement a 2D pose estimator per view (HRNet or YOLOv8-pose…
- Pose Estimation
- Multi View Geometry
- 3d Reconstruction
Open coursework - AnalysisIntermediateNew
Portfolio Optimization for a Sustainable Fashion ETF
You are given monthly returns for 20 candidate stocks (5 years of data) and the risk-free rate. Your task is to select 15 stocks and compute the efficient frontier, the tangency…
- Mean Variance Optimization
- Efficient Frontier
- Capm
Investments and Asset Pricing 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
- AnalysisIntermediateNew
Design an Electronic Health Record Data-Quality Audit
Stand up a Python (pandas + DuckDB) audit notebook ingesting the 14M-record extract. Define and run quality checks across four dimensions: completeness (required-field missingne…
- Health Informatics
- Data Quality
- Snomed Ct
Computational Biology and Health Informatics - CodeIntermediateNew
Migrate a Legacy Warehouse to a Lakehouse for an Edtech AI Platform
You receive a Postgres dump of around 50 GB and the current dbt models that produce the student-attempts mart. Land the raw data in object storage (S3 or GCS) as Parquet partiti…
- Lakehouse Architecture
- Delta Lake
- Spark
Data Engineering and Big Data Systems - StrategyIntermediateNew
Migrating from Relational to NoSQL for a Social Media Startup
You are given a simplified relational schema of SnapVibe's current database (users, posts, comments, likes). Your task is to: (1) analyze the limitations of the relational model…
- Nosql
- Mongodb
- Data Migration
Open coursework - AnalysisIntermediateNew
Design a Custom Page-Replacement Policy for a Tier-1 Cloud Provider Simulator
Use the provided simulator (Python harness wrapping a C++ page-cache model) and the team's 3 anonymized workload traces (web-cache, key-value store, batch analytics). Implement …
- Memory Management
- Page Replacement
- Benchmarking
Operating Systems - StrategyIntermediateNew
Redesign Glow Naturals as a Beauty Creator Platform
Acting as the strategy consultant on the engagement, examine the three items in your materials: the Glow Naturals Company Dossier, the Customer and Unit-Economics Dataset, and t…
- Business Model Canvas
- Platform Design
- Ecosystem Mapping
Open coursework - StrategyIntermediateNew
Spin-Out Strategy for a Robotics Lab's Warehouse Picking IP
Map each path: (1) OEM licensing (model royalty terms, time-to-deal, IP protection); (2) founder-led startup (cap table, hiring needs, fundraising path, 18-month milestones); (3…
- Venture Building
- Research To Product
- Strategic Options Analysis
Innovation and Entrepreneurship for CS - CodeIntermediateNew
Write a Linux Device Driver for a Custom Sensor Board
Read the SPI sensor datasheet (provided) and the existing user-space hack (around 600 lines of C). Write a Linux kernel module (target kernel 6.6 LTS) that registers a hwmon dev…
- C Programming
- Os Interfaces
- Kernel Development
Imperative and Low-Level Programming - AnalysisIntermediateNew
Evaluate an Agent Suite on the SWE-Bench-Style Coding Benchmark
You receive a sandboxed set of 50 small repo-modification tasks (test-passing as the success signal). Run 3 open-source agent frameworks (e.g., OpenHands, SWE-agent, and Aider) …
- LLM Agents
- Agent Evaluation
- Benchmarking
Open coursework - AnalysisIntermediateNew
Privacy Posture Review of a Fintech's Internal Service Mesh
Work only from the four supplied materials: the anonymized service inventory, the sample east-west traffic flow records, the current mesh policy export, and the public Istio sec…
- Network Privacy
- Mtls
- Service Mesh
Open coursework - CodeIntermediateNew
Design an Event-Sourced Inventory System for a Third-Party Warehouse
Working from the operations case file and the warehouse domain specification, design an event model of twelve to fifteen events that covers the warehouse lifecycle (receive, put…
- Event Sourcing
- Cqrs
- Eventstoredb
Open coursework - CodeIntermediateNew
Port a Legacy C Image Pipeline from x86 to ARM64
Clone the 12k-line C codebase (provided). Set up an ARM64 cross-compile toolchain (clang or gcc). Identify portability issues: endianness assumptions, pointer-size casts, inline…
- C Programming
- Manual Memory Management
- Pointers
Imperative and Low-Level Programming - CodeIntermediateNew
Strangler-Fig Modernization of a Healthcare Reporting Service
Audit the report categories (around 14) and pick operating-theater utilization for the pilot extraction (high volume, moderate complexity, low regulatory blast-radius). Design t…
- Strangler Fig
- Legacy Systems
- Feature Flags
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.
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