Intermediate Challenges
Real-world scenarios at the intermediate level. Earn verified credentials as you practice the work your degree prepares you for.
- DesignIntermediateNew
Add Profile-Guided Optimization to a Production JavaScript Bundler
Design and implement a profile-guided optimization workflow for the bundler using Rust's LLVM-based PGO: an instrumented build, a training run over the eight-project benchmark c…
- Profile Guided Optimization
- Llvm
- Benchmarking
Open coursework - DesignIntermediateNew
Change-Impact Analysis for a Cross-Service API Migration
Pull API logs over 30 days from the API gateway to enumerate all consumers + per-endpoint call volume. Cross-reference with service-catalog ownership to map 23 consumers to team…
- Change Impact Analysis
- API Migration
- Parallel Run
Open coursework - DesignIntermediateNew
Rescue a 3x3 Convolution Accelerator on Zynq UltraScale+
Working only from the materials provided, reach and defend an engineering judgment, then deliver the working accelerator that proves it. Read the engineering case file ('vision-…
- Systemverilog
- Fpga
- Axi Stream
Open coursework - DesignIntermediateNew
Design a Real-Time Fraud-Scoring Stream for a Card Issuer
Produce a design proposal for a fraud-scoring stream that ingests authorization events, maintains a 30-day rolling feature state per customer, applies a pre-trained scoring mode…
- Apache Flink
- Kafka Streams
- Stream Processing
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
- AnalysisIntermediateNew
Detect Coordinated Inauthentic Behavior on a National News Platform
Receive an anonymized 90-day export of comments (user_id, article_id, timestamp, like_count, reply_to_id) and basic user metadata (registration date, login pattern bucket). Buil…
- Network Science
- Community Detection
- Graph Analysis
Open coursework - CodeIntermediateNew
Refactor a God-Object Order Service with Strategy + Command
Read OrderService and the last 18 months of bug tickets touching it. Author a 5-page design document showing the current class diagram, the target Strategy-per-order-type + Comm…
- Design Patterns
- Refactoring
- Strategy Pattern
Software Design and Design Patterns - DesignIntermediateNew
Design a Continuous Eval Pipeline for an Enterprise RAG Product
Design (and partially build) a continuous-eval pipeline for a RAG system: (1) a structured eval set with at least 50 queries grouped by query class; (2) automated scoring (LLM-a…
- Continuous Evaluation
- LLM Evaluation
- Retrieval Augmented Generation
AI Measurement and Evaluation - CodeIntermediateNew
Build a GAN-Based Defect Generator for a Hardware Manufacturing Line
You receive around 60,000 good-unit images and around 380 defective-unit images across 4 defect classes. Train a class-conditional GAN (StyleGAN2-ADA or a smaller alternative fo…
- Gans
- Class Conditional Generation
- Data Augmentation
Deep Generative Models - Browse challenges
Explore role
Marketing Analyst
Plan and measure campaigns that grow the business. Funnel analytics, attribution, segmentation, and the rigorous measurement that lets marketing defend its budget at the leadership table.
- DesignIntermediateNew
Map Bounded Contexts for a Mid-Cap Insurance Carrier
Facilitate 2 half-day Event Storming sessions with 18 domain experts using Miro. Capture domain events, commands, actors, and policies. Identify 6 to 10 candidate bounded contex…
- Event Storming
- Bounded Contexts
- Context Mapping
Domain-Driven Design - AnalysisIntermediateNew
Business Combination Accounting for a 40-Person SaaS Scale-Up
You are a financial analyst at DataFlow Analytics. The CFO has asked you to prepare the acquisition accounting under IFRS 3. DataFlow is acquiring 100% of Insightly for €20M: €1…
- IFRS 3
- Business Combinations
- Goodwill
International Accounting - AnalysisIntermediateNew
Diagnose a Failed Microservices Migration at a Travel Platform
Using only the four supplied materials — the interview transcript excerpts (voyalink-interview-transcripts), the decision and incident artifact corpus (voyalink-artifact-corpus)…
- Industrial Case Study
- Qualitative Research
- Software Architecture
Open coursework - StrategyIntermediateNew
Evaluate and Launch TaskFlow's Developer Platform Strategy
Using the four materials provided (the TaskFlow company dossier, the competitor ecosystem landscape brief, the financial and customer baseline dataset, and the developer demand …
- Platform Business Models
- API Economy
- Ecosystem Governance
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
- StrategyIntermediateNew
Repair Post-Merger Collaboration at Maison Luxe and EcoDenim
Using only the materials provided, design a three-month cultural integration program for the merged Maison Luxe and EcoDenim organization. First, diagnose the friction using the…
- Cross Cultural Communication
- Merger Integration
- Program Design
Open coursework - CodeIntermediateNew
Prototype Constitutional-AI Style Guardrails for an Internal Chatbot
Author a 'constitution' of 15 to 20 principles tailored to internal research use (no IP leakage, no off-label medical claims, no personnel-data fishing, etc.). Implement a criti…
- Constitutional Ai
- Alignment Techniques
- LLM Evaluation
Open coursework - CodeIntermediateNew
Build a Domain Instruction-Tuning Recipe for a Legal Coach
You will source instruction data from three streams: ~3,000 synthetic paralegal Q&A generated by a frontier model (anonymized prompts), ~1,500 curated examples from public legal…
- Instruction Tuning
- Lora Fine Tuning
- Data Curation
Open coursework - CodeIntermediateNew
Simulating Queueing for a 40-Person SaaS Support Team
Build a discrete-event simulation of the ticket handling process: tickets arrive randomly (Poisson), are triaged, then assigned to specialists (tier 1 and tier 2). Calibrate usi…
- Simulation
- Queueing Theory
- Python
Operations Analytics and Optimization - DesignIntermediateNew
Event-Driven Architecture for an Order-to-Cash Pipeline
Design an event-driven architecture using a Kafka-like message bus (anonymized: assume a Kafka-compatible event log). Define: 9 event types with Avro schemas, partition strategy…
- Event Driven Architecture
- Kafka
- Saga Pattern
Software Architecture - StrategyIntermediateNew
Lead-Scoring Model and AI Roadmap for an Enterprise-Bound SaaS Firm
Using the Enterprise Trial History dataset, build a binary classification model that predicts whether an enterprise trial converted to a paid contract. The model must be explain…
- Lead Scoring
- Logistic Regression
- Ai Strategy
Open coursework - StrategyIntermediateNew
Tax Planning for a SaaS Scale-Up's Enterprise Transition
Students are given CloudSync's financials: €5M ARR, 70% from PLG (monthly subscriptions) and 30% from enterprise (annual contracts). The transition will shift to 50% enterprise …
- Revenue Recognition
- Transfer Pricing
- Rd Tax Credits
Business Taxation - CodeIntermediateNew
Build an End-to-End ML Pipeline for Loan-Default Prediction
You receive 24 months of historical application + outcome data (about 380,000 rows). Build a pipeline using a workflow orchestrator (Prefect, Kedro, or a simple Makefile chain) …
- Ml Pipelines
- Feature Engineering
- Pipeline Testing
Open coursework - StrategyIntermediateNew
Developing a Crisis Communication Plan for a 40-Person SaaS Scale-Up
Your team must produce a crisis communication plan within 2 weeks. The plan should include: a holding statement for immediate release, a detailed internal memo to employees, a c…
- Crisis Communication
- Stakeholder Management
- Press Release Writing
Business Communication - CodeIntermediateNew
Build a LangGraph Multi-Agent Researcher
Design the four-agent topology with explicit message contracts. Implement each agent as a separate LLM call with role-specific system prompts, tool access (web search for resear…
- Multi Agent Orchestration
- Langgraph
- LLM Tool Use
Multi-Agent Systems - CodeIntermediateNew
Reconstruct a Heritage Facade with Structure-from-Motion
You receive 250 phone photos of the facade plus 6 ground control points measured by a surveyor (used only for metric scaling and validation, not for reconstruction). Run SfM to …
- Structure From Motion
- Multi View Stereo
- 3d Reconstruction
Open coursework - DesignIntermediateNew
Design Hybrid Search for an E-Commerce Product Catalog
You receive 80,000 anonymized product records (title, description, category, attributes) and a sample of 30,000 search log entries with click-through labels. Embed the catalog w…
- Hybrid Search
- Embedding Models
- Bm25
Open coursework
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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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