Senior Challenges
Real-world scenarios at the senior level. Earn verified credentials as you practice the work your degree prepares you for.
- ResearchSeniorNew
Solve a POMDP for a Healthtech Diagnostic Pathway
You receive a simplified pathway: 5 possible underlying conditions, 8 possible diagnostic tests each with documented sensitivity and specificity, and an outcome payoff matrix fr…
- Pomdp Modeling
- Belief States
- Approximate Solvers
Decision Making Under Uncertainty - ResearchSeniorNew
Implement an Autoregressive Model for Anonymized Voice-Synthesis at a Defense Vendor
You receive a public-domain speech dataset (LibriTTS subset, around 50 speakers) and a fixed evaluation protocol (speaker-identifiability AUC, emotion-preservation MOS proxy, in…
- Autoregressive Models
- Voice Conversion
- Speech Synthesis
Deep Generative Models - ResearchSeniorNew
Compare RNN vs Transformer for Long-Sequence Modeling
Pick a public trajectory dataset (e.g., Argoverse 2, Waymo Open, or ETH-UCY). Implement three models with comparable parameter counts (around 5M each): an LSTM baseline, a vanil…
- Transformers
- Rnn
- State Space Models
Open coursework - CodeSeniorNew
Build a Distributed Shared Memory Layer Over RDMA for Risk Engines
Build a Distributed Shared Memory library in C++ that exposes a small region interface — allocate a shared region, read from it, write to it, and free it — starting from the pro…
- Distributed Systems
- Rdma
- Consistency Models
Open coursework 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
- CodeSeniorNew
Build a Real-Time Cascade Detection Pipeline for a Trading Platform
Receive 6 months of anonymized trade events (timestamp, ticker, side, volume, account_segment) plus a static follower graph among 50k 'top trader' accounts. Build a streaming pi…
- Streaming
- Network Science
- Graph Analysis
Network Science and Computational Social Science - StrategySeniorNew
Negotiating a SaaS Enterprise Deal with a Fortune 500 Manufacturer
Using the deal case file, the procurement positions brief, the comparable-deals benchmark dataset, and the standard contract and service-level agreement template provided to you…
- Enterprise Sales
- Procurement Negotiation
- Contract Negotiation
Open coursework - CodeSeniorNew
Fuse Camera + Audio Cues for an Autonomous-Vehicle Edge Case
You receive a curated dataset of 4,000 short clips (5s each), each with synchronized 8-camera 360-degree video, 4-channel audio, and labels (siren-active emergency vehicle prese…
- Multimodal Perception
- Convolutional Neural Networks
- Audio Processing
Machine Perception - ResearchSeniorNew
Self-Supervised Pretraining for a Pathology Foundation Vendor
You receive a public pathology dataset (about 80,000 unlabeled whole-slide-image patches plus a labeled 8,000-patch subtype-classification subset across 4 classes). Pretrain a R…
- Self Supervised Learning
- Medical Imaging
- Transfer Learning
Machine Learning for Imaging and Medical Image Analysis - Browse challenges
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Pricing Strategist
Set the price that captures value without leaving sales on the table. Demand modelling, willingness-to-pay research, and the disciplined experimentation that turns pricing into a competitive advantage.
- AnalysisSeniorNew
Founder Behavior Diagnostic and 90-Day Plan for a Burnt-Out SaaS CEO
Your task is to read the case file and produce a behavioral diagnostic plus a 90-day intervention plan that the board chair can hand directly to the founder. Examine the de-iden…
- Founder Psychology
- Behavioral Diagnostics
- Executive Coaching
Open coursework - 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 - CodeSeniorNew
Harden a Container Supply Chain to SLSA Level 3
Audit the current build and deploy pipeline against the SLSA 1.0 specification. Identify SLSA-3 gaps (typically: provenance generation, hermetic builds, two-person review, signe…
- Supply Chain Security
- Slsa
- Sigstore
Open coursework - StrategySeniorNew
Hostile Takeover Defense for a Mid-Cap Pharma Firm
As a special M&A advisor to MediCore's board, you must analyze the bid, assess the company's intrinsic value, and recommend a defense strategy. Options include a poison pill, wh…
- Takeover Defense
- Valuation
- Negotiation
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Why Ewance
- DesignSeniorNew
Designing a Data Warehouse for a Renewable Energy Firm
You are given sample data from three sources: energy production logs, weather data, and equipment maintenance records. Your task is to: (1) design a star schema with fact and di…
- Data Warehousing
- Star Schema
- Etl
Database Systems - CodeSeniorNew
Min-Cost Max-Flow for Cloud Workload Placement
Receive 30 days of anonymized placement requests (workload CPU/memory shape, affinity rules), zone capacity per day, and cross-zone bandwidth costs. Model the placement as a min…
- Network Flows
- Algorithm Analysis
- Graph Algorithms
Advanced Algorithms - CodeSeniorNew
Build Co-Located Mixed-Reality Engine Inspection Training
Build a Unity prototype that supports three people wearing Magic Leap 2 headsets (or Quest 3 with passthrough as a fallback) in the same physical room, all seeing one shared vir…
- Mixed Reality Applications
- Multiplayer Xr
- Shared Anchors
Open coursework - StrategySeniorNew
Investigate Germany's Market for EcoThreads' Entry
Your task is to investigate the German sustainable fashion market and produce a recommended entry strategy for EcoThreads. Start from the company facts in the EcoThreads briefin…
- Market Entry
- Competitive Analysis
- Regulatory Analysis
Open coursework - AnalysisSeniorNew
Renewable Energy Investment Under Policy Uncertainty
You are a financial analyst at SunVest. The proposed solar farm has a capacity of 50 MW, construction cost €80M, and expected life 25 years. Key uncertainties: annual electricit…
- Real Options
- Monte Carlo Simulation
- Stochastic Modeling
Open coursework - CodeSeniorNew
Plan Under Uncertainty for a Warehouse Restocking Robot
You receive a discrete-event simulator of a 1,200-shelf warehouse with calibrated optical-scanning error rates and stock-out cost per shelf. Formulate the restocking decision as…
- Planning Under Uncertainty
- Pomdp
- Monte Carlo Planning
Advanced Robotics - StrategySeniorNew
Outsourcing IT Operations at a Spanish Solar Energy Firm
Using the four provided materials, build a service sourcing strategy and a provider-management framework for Helios Renovables. Read the CIO situation record to understand the p…
- Itil
- Service Strategy
- Sourcing
Open coursework - ResearchSeniorNew
Train Cooperative Agents with Multi-Agent RL
Pick an open multi-agent environment (PettingZoo's MPE 'simple_spread', Overcooked-AI, or SMAC). Implement or wrap three methods: IPPO (independent PPO per agent), MAPPO (centra…
- Multi Agent Reinforcement Learning
- Ppo
- Pytorch
Open coursework - 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 - AnalysisSeniorNew
Cost-Quality Prompt Optimization at Scale
You receive 2,000 labeled code snippets (human rater consensus score 1-5) and budget for at most 8,000 API calls across the optimization run. Run a factorial sweep of 3 prompt s…
- Prompt Optimization
- Cost Quality Tradeoff
- Experiment 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 - ResearchSeniorNew
Diffusion-Policy Imitation for Bimanual Cooking Tasks
You receive 300 teleoperated demonstrations of a bimanual pour-and-stir task in a Robomimic-style simulator, deliberately including 2 valid solution modes per task (left-pour-ri…
- Diffusion Policies
- Imitation Learning
- Multimodal Action Distributions
Robot Learning
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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