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
Go-to-Market Strategy for a San Francisco D2C Cosmetics Brand
Your task is to develop a go-to-market strategy for GlowSF. Conduct a market analysis of the D2C cosmetics landscape in San Francisco, Los Angeles, and New York. Define a unique…
- Market Analysis
- Brand Positioning
- Go To Market Strategy
Marketing Strategy - CodeSeniorNew
Triage Brain-CT Stroke Detector with Calibrated Uncertainty
You receive a curated public head-CT dataset (about 2,800 scans, slice-level labels for hemorrhagic stroke) and a held-out 600-scan hospital cohort. Train a 3D CNN or 2.5D slice…
- Medical Imaging
- Neural Networks
- Uncertainty Quantification
Machine Learning for Imaging and Medical Image Analysis - DesignBeginnerNew
Design the Architecture for a Library Management System
Read the 30-page replacement RFP. Author a 15-page architecture document covering the C4 model levels 1-3 (context, container, component) for the new system: web app, mobile app…
- Software Architecture
- C4 Model
- Data Modeling
Software Engineering Foundations - DesignFoundationalNew
Launching a Sustainable Fashion Line with Influencer Marketing
Develop a complete influencer marketing plan: identify influencer tiers (macro, micro, nano), create a brief for influencers, propose a content strategy, and set KPIs. Include a…
- Influencer Marketing
- Campaign Planning
- Budgeting
Marketing Management 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
- ResearchBeginnerNew
Build an Accessibility Checklist for a Voice Health Assistant
You receive 20 audio samples spanning accents and speech patterns, the assistant's published dialog state machine, and a list of current voice prompts. Audit the assistant for i…
- Accessibility (Wcag 2.2)
- Interaction Design
- Evaluation
Human-Computer Interaction for AI Systems - CodeSeniorNew
Design a Raft-Based Consensus Layer for a Multi-Region Database
Implement Raft in Go per the original Ongaro-Ousterhout paper: leader election, log replication with the safety property, snapshotting at 10K-entry granularity, and joint-consen…
- Distributed Consensus
- Raft
- Fault Tolerance
Parallel and Distributed Algorithms - AnalysisSeniorNew
Additive Manufacturing for Spare Parts in Renewable Energy
Your task is to conduct a feasibility study for using additive manufacturing to produce spare parts for WindServ's wind turbine maintenance operations. You need to identify 5-10…
- Additive Manufacturing
- Supply Chain Design
- Cost Analysis
Production and Manufacturing Management - 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
Question Answering and Conversational Systems - 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.
- CodeSeniorNew
Real-Time Global Illumination for an Indie Game
Survey 3 candidate GI techniques: voxel cone tracing (VXGI-style), screen-space GI (SSGI), and irradiance probe volumes. Pick one and justify based on quality/perf trade-offs fo…
- Physically Based Rendering
- Global Illumination
- Gpu Pipeline
Advanced Computer Graphics - StrategyIntermediateNew
Leading a Remote Team Through Crisis at a SaaS Scale-Up
You are the team lead for a 10-person customer success team spread across 4 time zones. Your task is to develop a leadership plan to manage the transition, including communicati…
- Remote Leadership
- Change Management
- Virtual Team Building
Leadership and Managerial Skills - 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 - CodeBeginnerNew
Add a Test Harness to an Untested Open-Source CLI
Fork the repo (test mirror provided), set up Vitest with coverage and a CI workflow that fails under 75 percent on the targeted modules. Write characterization tests first (asse…
- Unit Testing
- Integration Testing
- Test Coverage
Software Construction 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
Channel Partner Program for a Munich Industrial Sensor Manufacturer
Your task is to create a new channel partner program. You will analyze sales data from the past 2 years (provided in a CSV with 10,000 transactions) to identify top-performing p…
- B2B Marketing
- Channel Management
- Data Analysis
Business-to-Business Marketing - CodeIntermediateNew
Train a Multimodal Classifier for Medical Triage
Pick a fusion architecture (early fusion via cross-attention, late fusion via score combination, or a unified multimodal encoder like FLAVA/CoCa). Train on the 14,000 pairs with…
- Multimodal Fusion
- Cross Attention
- Pytorch Or Tensorflow
Multimodal Machine Learning - StrategyBeginnerNew
Code Review Bootcamp for an Early-Stage Mobile Team
Read the team's last 100 merged PRs (export provided) and tag the 10 worst review threads (rubber-stamp, bikeshed, missing context). Draft a 4-page code-review guideline coverin…
- Code Review
- Mentorship & Coaching
- Process Mapping
Software Construction - DesignIntermediateNew
Merging Engineering and Product Teams at a SaaS Scale-Up
Your task is to propose a team integration plan for DataFlow. You need to analyze the current team dynamics, identify sources of conflict, and recommend structural changes (e.g.…
- Organizational Design
- Team Dynamics
- Conflict Resolution
Leading Change and Organizational Development - AnalysisBeginnerNew
Cost-Model a Foundation-Model API Migration
You receive: 90 days of API logs (request volume, token distributions), the customer's golden eval set of 200 prompts, the incumbent and new pricing schedules, and quality ratin…
- Cost Modeling
- Ai Workforce Strategy
- Model Evaluation
AI for Business and AI Product Management - AnalysisIntermediateNew
Cache Coherence Protocol Comparison on a Multicore Simulator
Stand up gem5's Ruby coherence framework with both MESI and MOESI protocols on a 16-core configuration. Run the 6-benchmark suite (provided): producer-consumer queue, false-shar…
- Cache Coherence
- Multicore Architecture
- Simulation
Advanced Computer Architecture - CodeBeginnerNew
Building an Apex Trigger for Lead Assignment in a SaaS Scale-up
You are a Salesforce developer at TaskFlow. Your task is to create an Apex trigger on the Lead object that assigns leads using a custom hierarchy: enterprise leads (employees >5…
- Apex
- Triggers
- Test Classes
Salesforce and CRM Platforms - AnalysisIntermediateNew
MCMC for Conversion-Funnel A/B Testing at a Marketplace
You receive 6 weeks of per-visitor funnel data (visit, sign-up, trial start, trial-to-paid conversion) split by variant and by acquisition channel (organic, paid social, paid se…
- Mcmc
- Bayesian Hierarchical Models
- A/B Testing
Probabilistic Machine Learning - CodeSeniorNew
Scale an HPC MPI Workload Across a Multi-Node Cluster
Receive the MPI weather model (Fortran 2018 + C, ~22,000 lines), 4 weeks of strong-scaling logs (1 to 256 ranks), and access to AWS ParallelCluster with EFA-enabled c7gn instanc…
- Hpc Programming
- Mpi
- Parallel Performance
Advanced Concurrency and Parallel Computing - DesignBeginnerNew
Launching a D2C Subscription for a Cosmetics Brand
Your task is to develop a complete subscription product concept and launch strategy. You must define 2-3 subscription tiers (e.g., monthly, quarterly), select product combinatio…
- Product Design
- Pricing Strategy & Elasticity
- Customer Journey Mapping
Product Management - 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
AI Safety and Alignment - CodeIntermediateNew
Build a Dataflow-Based Dead-Code Detector for a Python Monorepo
Build a Python tool using libcst (or ast + jedi) that constructs a call graph across the monorepo. Account for indirect references (entry points in setup.py / pyproject.toml, dy…
- Dataflow Analysis
- Ast
- Call Graph
Program Analysis
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.