Senior Challenges
Real-world scenarios at the senior level. Earn verified credentials as you practice the work your degree prepares you for.
- ResearchSeniorNew
Experimental Design for a Fintech App's Savings Nudge
You are a behavioral data scientist at SaveSmart. Design a randomized controlled trial (RCT) to test the effect of a 'future self' nudge on savings behavior. Define treatment an…
- Experimental Design
- Statistical Analysis
- Nudge Theory
Behavioral Economics - StrategySeniorNew
Strategic Pivot for a Sustainable Fashion Retailer
Your task is to develop a strategic pivot plan for EcoWear to transition to a circular fashion model. You have 3 weeks. Constraints: no new external funding; must leverage exist…
- Business Model Innovation
- Circular Economy
- Market Analysis
Strategy (MBA) - StrategySeniorNew
Digital Transformation for a Traditional Swiss Watchmaker
You are a digital transformation lead at Horloge Suisse. Your task is to propose a digital platform strategy that enhances customer engagement and opens new revenue streams. Con…
- Tech Enabled Business Transformation
- Platform Ecosystems
- Blockchain
Digital Strategy and Platforms - ResearchSeniorNew
Model-Based RL for a Robotic Arm Pick-Place Task
You receive a PyBullet pick-and-place environment (Franka Panda arm, 12 object types, randomized starting poses) and a SAC baseline that hits 85% success after about 1.5 million…
- Model Based Rl
- World Models
- Reinforcement Learning
Deep Reinforcement Learning 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
- AnalysisSeniorNew
Diagnose and Fix Query-Planner Misestimates in a FinTech Warehouse
For each of the 6 queries, capture EXPLAIN (ANALYZE, BUFFERS) and compare estimated vs actual rows at each node. Identify the misestimate source per query (single-column stats s…
- Query Optimization
- Postgresql Planner
- Extended Statistics
Advanced Database Systems - CodeSeniorNew
Heterogeneous Scheduling Policy for a Big.LITTLE Mobile SoC
Read the existing scheduler's energy model (provided). Design an improved policy using one or more of: per-task IPC-aware placement, exponential moving average load smoothing to…
- Multicore Architecture
- Scheduling
- Energy Modeling
Advanced Computer Architecture - ResearchSeniorNew
Greenwashing Risk in a Fast Fashion Brand's Sustainability Campaign
You are a corporate responsibility analyst at TrendWear. The CEO wants to respond to the accusations without withdrawing the Green Line. Your task is to conduct a life-cycle ass…
- Life Cycle Assessment
- Sustainability Reporting
- Crisis Communication
Business Ethics and Corporate Responsibility - ResearchSeniorNew
Multi-Tenant Vector Isolation for a B2B Knowledge Assistant
Build a small proof-of-concept in your chosen vector store (Pinecone or Qdrant — pick one and justify) that supports 10 simulated tenants with 1,000 vectors each. Implement the …
- Multi Tenant Isolation
- Vector Databases
- Threat Modeling
Vector Databases and Embeddings - 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.
- StrategySeniorNew
Service Quality Improvement for a Regional Hospital Chain
Your task is to conduct a gap analysis using SERVQUAL dimensions (reliability, responsiveness, assurance, empathy, tangibles) based on patient survey data (provided). Identify t…
- Service Quality
- Servqual
- Process Improvement
Service Operations Management - AnalysisSeniorNew
Real Options Analysis for Ørsted Offshore Wind Expansion
Construct a base-case DCF for a 1.1 GW US offshore wind project using public assumptions on capex/MW, capacity factor, and PPA pricing. Then layer a real options framework: mode…
- Real Options
- Monte Carlo Simulation
- DCF Modeling
Advanced Corporate Finance - 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
Impact Measurement Framework for a Green Bond Issuance
Your task is to create a comprehensive impact measurement framework for the green bond. Deliver a KPI dashboard (5-7 metrics), a data collection methodology, a reporting templat…
- Green Bond Principles
- EU Taxonomy
- Impact Kpis
Sustainable Finance and Impact Investing 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
- CodeSeniorNew
Auto-Vectorize an Inner Loop for AVX-512
Profile the existing kernel on a 12-dataset benchmark (provided). Pick one of two strategies: (a) add an LLVM IR-level vectorization pass plugged into the existing pipeline, or …
- Vectorization
- Llvm
- Loop Optimization
Advanced Compilers and Program Optimization - AnalysisSeniorNew
Process Mining for Order-to-Cash in a Mid-Size Manufacturing Firm
Your task is to analyze the provided event log using process mining software (e.g., Disco, Celonis, or ProM). Discover the as-is process model, identify bottlenecks, rework loop…
- Process Mining
- Event Log Analysis
- Bpmn Modeling
Business Process Management - CodeSeniorNew
Train a Reinforcement-Learning Policy for Drone Obstacle Avoidance
You receive a custom Gymnasium drone-flight environment (provided), a baseline hand-engineered controller, and a target evaluation suite covering 4 obstacle densities. Train a P…
- Reinforcement Learning
- Ppo
- Robotics Simulation
Advanced Robotics - 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 Or Tensorflow
Multi-Agent Systems - 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
DevOps and Secure Deployment - CodeSeniorNew
Build a Unikernel for a Privacy-Focused VPN Provider
Choose either MirageOS or Unikraft as the unikernel framework. Build an image running a minimal WireGuard data plane (existing OCaml or Rust WireGuard reference implementation i…
- Unikernels
- Virtualization
- Wireguard
Advanced Operating Systems - StrategySeniorNew
Value Creation Plan for a SaaS Scale-Up
Develop a 100-day value creation plan: analyze current sales funnel, pricing tiers, and customer segments. Propose changes to sales compensation, product packaging, and customer…
- Value Creation
- Saas Metrics
- Pricing Strategy & Elasticity
Private Equity - 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 - DesignSeniorNew
Design a Distributed Training Job for a 13B-Parameter Model
Decide whether to use Fully Sharded Data Parallel (FSDP), Tensor Parallelism, Pipeline Parallelism, or a hybrid; justify against the 13B-param + 32-H100 setup. Calculate memory …
- Distributed Training
- Fsdp
- Pytorch Or Tensorflow
Machine Learning Systems - StrategySeniorNew
Stakeholder Management for a Renewable Energy Project in Spain
You are a team of three sustainability consultants hired by SolarVent. Your task is to: (1) identify and map all relevant stakeholders, (2) analyze their interests, influence, a…
- Stakeholder Mapping
- Community Engagement
- Conflict Resolution
Business, Government and Society - StrategySeniorNew
Shareholder Activism Defense for a SaaS Scale-Up
You are a senior strategy advisor to the CEO. Your task is to analyze the activist's demands, evaluate the company's governance vulnerabilities, and propose a response strategy.…
- Shareholder Activism
- Defense Strategy
- Board Dynamics
Corporate Governance - CodeSeniorNew
Vectorize a Risk-Calculation Engine for a Mid-Cap Bank
Receive the existing pricer (C++17, scalar, around 600 lines), 2 weeks of representative input data (around 50M paths), the validation harness, and access to an Intel Ice Lake-S…
- Vectorization
- Avx 512
- Simd
Performance Engineering of Software Systems
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.