Senior Challenges
Real-world scenarios at the senior level. Earn verified credentials as you practice the work your degree prepares you for.
- AnalysisSeniorNew
Time a 500-Million-Euro Solar Investment to the Eurozone Cycle
You are SunVista's economic analyst, and the Chief Financial Officer has asked you for a decision-ready report that guides the timing of the 500-million-euro solar build-out. Wo…
- Business Cycle Analysis
- Macroeconomic Forecasting
- Investment Timing
Open coursework - AnalysisSeniorNew
Memory Consistency Model Audit of a Lock-Free Queue
Read the SPSC queue source (around 200 lines of C++). For each atomic operation, classify the required ordering and verify the chosen memory_order is sufficient under both x86-T…
- Memory Consistency
- Concurrency
- Lock Free Programming
Advanced Computer Architecture - DesignSeniorNew
International HR Policy for a Sustainable Fashion Brand Expanding to Asia
Your team (3-4 students) will research labor laws and cultural dimensions in Vietnam and Japan, then propose a comprehensive international HR policy document. The policy must co…
- International Hrm
- Cross Cultural Management
- Compensation And Benefits
Strategic Human Resource Management - DesignSeniorNew
Design a Strongly-Consistent Distributed Counter for API Quotas
Using the requirements brief ('quotaguard-requirements-brief'), the workload-and-cost reference sheet ('quotaguard-workload-cost-sheet'), and the failure-scenario worksheet ('qu…
- Distributed Databases
- Consensus
- Strong Consistency
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
- StrategySeniorNew
Blockchain-Based Supply Chain Traceability Strategy
You are hired by the manufacturer's innovation team. Research existing blockchain traceability solutions in luxury goods (e.g., LVMH's AURA, Breitling's use of blockchain), asse…
- Blockchain Strategy
- Supply Chain Analysis
- Cost Benefit Analysis
Fintech and Digital Finance - DesignSeniorNew
Design Eval Suite for a Multimodal Brainstorming Assistant
You receive (1) the assistant's current API, (2) a list of 6 launch user-personas, and (3) the product team's quality target ('beat the previous model on 4 of 6 personas'). Desi…
- LLM Evaluation
- Multimodal Evaluation
- Safety Evaluation
Generative AI - CodeSeniorNew
Implement Threshold Signatures for a Multi-Sig Custody Service
Read the FROST IETF draft (draft-irtf-cfrg-frost) and the underlying Schnorr signature scheme on the secp256k1 curve. Implement the FROST distributed key generation (DKG) and 3-…
- Applied Cryptography
- Threshold Signatures
- Rust
Applied Cryptography - ResearchSeniorNew
Investigate Why Our Generative Model Memorizes Training Data
Pick a small open-source diffusion model (e.g., a Stable-Diffusion-class community model trained on LAION-subset). Reproduce a published membership-inference + extraction probe …
- Generative Models
- Memorization Analysis
- Differential Privacy
Advanced Deep Learning - 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.
- CodeSeniorNew
GPU-Accelerated Numerical Optimization for Portfolio Construction
Implement a primal-dual interior-point solver for box-constrained QP in CUDA. Use cuSPARSE for sparse matrix-vector multiply and cuSOLVER for the inner Newton system. Benchmark …
- Numerical Optimization
- Interior Point Method
- Cuda
Scientific Computing and Numerical Methods - 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
Open coursework - DesignSeniorNew
Designing a Circular Supply Chain for a Sustainable Fashion Brand
Your task is to design a circular supply chain for EcoThreads' take-back program. You must decide on collection methods (mail-in, in-store drop-off, lockers), partner with a rec…
- Reverse Logistics
- Circular Economy
- Sustainability Reporting
Operations and Supply Chain Management - StrategySeniorNew
Design a Stakeholder Engagement Plan for SolarVent's Andalusia Solar Farm
Working as a team of three sustainability consultants hired by SolarVent, design a complete stakeholder engagement proposal for the Andalusia solar farm. Ground every recommenda…
- Stakeholder Analysis
- Community Engagement
- Conflict Resolution
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
- DesignSeniorNew
Digital Innovation Lab for a Regional Bank
Your task is to design a blueprint for the innovation lab. Define its structure (e.g., hub-and-spoke, virtual team), governance (e.g., stage-gate process), and funding model. Pr…
- Innovation Lab Design
- Regulatory Compliance
- Legacy System Integration
Digital Transformation - DesignSeniorNew
Design an End-to-End Encrypted Messaging Protocol for Clinicians
Using the Vireo current-architecture case file and the Signal protocol specifications listed in provided materials, design an end-to-end encrypted messaging protocol that covers…
- Applied Cryptography
- Protocol Design
- Rust
Open coursework - DesignSeniorNew
Redesign the Daily-Engagement Loop for a Smoking-Cessation App
Using the product case file, audit the current daily-engagement loop screen by screen and map each screen to specific behavior-change techniques from the published taxonomy, nam…
- Behavior Change Design
- Hci Research Methods
- Interaction Design
Open coursework - CodeSeniorNew
Bulk Synchronous Parallel PageRank for a Web-Graph Lab
Working from the lab situation record (`lab-case-file`), implement 25 iterations of PageRank under a Bulk Synchronous Parallel (BSP) model using either Apache Spark with GraphX …
- Parallel Algorithms
- Bsp
- Graph Algorithms
Open coursework - StrategySeniorNew
Assess ESG Integration in a Family Office Portfolio
Analyze the current portfolio's ESG ratings using MSCI or Sustainalytics data (provided). Identify sectors with high carbon footprint and poor social scores. Recommend a new ass…
- ESG Integration
- Portfolio Optimization
- Impact Measurement
Wealth Management - AnalysisSeniorNew
Write a Copyright Risk Memo for a Foundation-Model Lab's Training Set
Cover (1) US fair-use exposure for training on web-scraped text and code, including the current state of pending major lawsuits at the time of writing; (2) the EU TDM exceptions…
- Copyright Law
- Regulatory Analysis
- Risk Mapping
AI Law, Policy, and Regulation - AnalysisSeniorNew
Structuring a German-Danish Offshore Wind Joint Venture
Working only from the de-identified deal file (deal-file), the written client instructions (client-instructions), and the two official statutory sources for German and Danish co…
- Cross Border Jv
- Partnership Law
- Corporate Law
Open coursework - AnalysisSeniorNew
Global Value Chain Optimization for a Sustainable Fashion Brand
You are a supply chain strategist at EcoWear. Your task is to map the current value chain, identify bottlenecks and risks, and propose a redesigned configuration. You must evalu…
- Value Chain Analysis
- Supply Chain Optimization
- Sustainability Assessment
International and Global Strategy - ResearchSeniorNew
Curriculum RL for a Simulated Drone Inspection Task
You receive a PyBullet-based wind-turbine inspection simulator with parameterizable wind, blade orientation, and sensor noise. Design a 3-stage curriculum: (1) hover near a stat…
- Ppo
- Curriculum Learning
- Deep Rl
Reinforcement Learning - AnalysisSeniorNew
Feasibility Study: On-Demand 3D-Printed Spare Parts for Wind Turbines
Working only from the materials provided — the WindServ maintenance case file (CF-1), the spare-parts demand and lead-time log (DS-1), the additive-manufacturing costing referen…
- Additive Manufacturing
- Supply Chain Design
- Cost Analysis
Open coursework - StrategySeniorNew
EcoThreads Exit: Recommend an Initial Public Offering or Acquisition
Using the EcoThreads company fact base and the public-versus-private market-conditions readout provided, build a recommendation for the investment committee on whether the fund …
- Exit Strategy
- IPO Readiness
- Mergers And Acquisitions
Open coursework - ResearchSeniorNew
Concept-Activation Vectors for an Autonomous-Vehicle Perception Audit
You receive a trained semantic-segmentation model (8 classes including pedestrian, vehicle, road, sky), an internal validation set of 2,500 driving frames, and a small concept-i…
- Tcav
- Concept Explanations
- Interpretability
Explainable and Interpretable AI
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.