Design Challenges
Research, wireframe, prototype, hand off — design as a craft, not just visuals.
- DesignIntermediateNew
Design Parallel I/O for a Climate-Simulation Data Pipeline
Analyze the current I/O pattern: each MPI rank writes its own file via serial HDF5 (the classic anti-pattern). Design a single shared file using parallel HDF5 + MPI-IO with coll…
- Mpi Io
- Parallel Hdf5
- Lustre Filesystem
High-Performance and Scientific Computing - DesignFoundationalNew
Build a Tic-Tac-Toe-Style Game Agent for an Edtech Demo
Implement Connect-Four (7-column, 6-row board) in Python plus a minimax agent with alpha-beta pruning, configurable search depth, and a simple heuristic evaluation function for …
- Game Playing Ai
- Minimax
- Alpha Beta Pruning
Introduction to Artificial Intelligence - DesignIntermediateNew
Design a Kanban Flow System for a Platform Team
Map the platform team's current workflow (intake to deploy) and design a Kanban board with 5-7 columns, explicit WIP limits per column, and a class-of-service swimlane for emerg…
- Kanban Boards
- Flow Metrics
- Process Mapping
Agile Methods and Practices - DesignSeniorNew
Multi-Region Active-Active Architecture for a Gaming Backend
Read the current architecture (single-region: ECS + RDS Aurora + Redis + S3) and traffic mix (around 60 percent APAC, 25 percent NA, 15 percent EU). Design a 3-region active-act…
- Multi Region Architecture
- AWS Or Azure
- Terraform
Cloud Computing 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
- DesignSeniorNew
Dynamic Pricing Optimization for a Ride-Hailing Platform
You are a data scientist at CityRide. Using 6 months of historical trip data (pickup/dropoff, time, fare, surge multiplier), weather data, and local events calendar, you must bu…
- Reinforcement Learning
- Optimization
- Simulation
Data Science for Business - DesignBeginnerNew
Build the PRD for an Internal RAG Knowledge Assistant
You receive: a description of the CS workflows (post-sale onboarding, escalation, renewal), an inventory of internal knowledge sources (Notion, Salesforce, Zendesk macros, 3 pro…
- Product Management
- RAG Architectures
- Evaluation Design
AI for Business and AI Product Management - 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 - DesignIntermediateNew
Spec Trust-and-Safety Eval Harness for an LLM-Powered Customer-Support Bot
You will spec a 6-page evaluation harness covering: (1) jailbreak test set (about 200 prompts across 6 attack families), (2) PII-leakage probes (about 100 synthetic-customer pro…
- LLM Evaluation
- Red Team Operations
- Pii Detection
Trustworthy AI, Robustness, and Safety - 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.
- DesignBeginnerNew
Build a Multi-Criteria Vendor Selection Tool for an AI Consulting Firm
You will design a Multi-Criteria Decision Analysis (MCDA, a structured way to score options against weighted criteria) tool that accepts 6-10 vendor options, 6-12 weighted crite…
- Mcda
- Decision Support Systems
- Streamlit
Decision Support Systems and Decision Analysis - DesignSeniorNew
OTA Firmware-Update Architecture for a 50,000-Device Smart-Meter Fleet
Design a 4-stage OTA architecture: (1) signed image build + manifest, (2) backend rollout (1 percent canary, 10 percent expand, 50 percent expand, 100 percent), (3) device-side …
- Embedded Systems
- Cyber Physical Systems
- Edge Computing
Internet of Things and Cyber-Physical Systems - DesignFoundationalNew
Building an Internal Communication Strategy for a Remote Renewable Energy Firm
Your task is to create a comprehensive internal communication strategy for remote teams. Deliverables include: a communication charter (principles and channels), a monthly all-h…
- Internal Communication
- Remote Team Management
- Leadership Communication
Leadership Communication - DesignIntermediateNew
Design Multi-Tenant Network Policies with Calico Tier Enforcement
Receive the cluster topology (120 customer namespaces + 4 platform namespaces), the application traffic patterns (frontend talks to backend talks to its tenant's database), and …
- Kubernetes Orchestration
- Network Policy
- Calico
Container Orchestration with Kubernetes 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
- DesignBeginnerNew
Design a Sequential Vending-Machine Controller in VHDL
Design an FSM that accepts 10c, 20c, 50c, EUR 1 coins, supports 4 products priced EUR 1.20-1.80, dispenses the selected product when paid, returns change, handles cancel. Choose…
- Vhdl
- Fsm Design
- Sequential Circuits
Digital Systems Design - DesignIntermediateNew
Design an Idiomatic REST + Webhooks API for a Logistics SaaS
Read the team's draft + the public APIs of 3 reference logistics platforms (anonymized, briefing pack provided). Author a 5-page API design guideline covering URL structure (nou…
- REST API Design
- REST API Design
- Openapi
Software Design and Design Patterns - DesignBeginnerNew
Build a PlatformIO CI Pipeline for a Multi-Board Firmware Team
Use GitHub Actions + PlatformIO. Build matrix across the 6 boards. Run native unit tests + QEMU-based emulation tests for boards that QEMU supports. Set up a self-hosted runner …
- Platformio
- Github Actions
- Embedded Ci
Embedded Systems Engineering - DesignBeginnerNew
Redesign an Executive Revenue Dashboard for an E-Commerce Marketplace
Interview the CFO, the head of category, and 2 finance analysts for 30 minutes each to elicit the 6 analytic tasks the dashboard must support (e.g. month-over-month variance, ca…
- Dashboard Design
- Visual Encoding
- Task Analysis
Information and Data Visualization - DesignBeginnerNew
Interactive Figma Prototype for a Wealth-Onboarding Flow
Audit the contractor's static Figma file for inconsistencies (typography scale, spacing tokens, missing states). Restructure into a working design system using Figma variables f…
- Figma
- Interactive Prototyping
- Design Systems
User Interface Design and Prototyping - DesignSeniorNew
Design a Strong-Consistency Distributed Counter Service
Design the service end-to-end: storage (Spanner / CockroachDB / FoundationDB — you choose), counter scheme (sharded counters with periodic reconciliation vs strongly-consistent …
- Distributed Databases
- Consensus
- Strong Consistency
Advanced Database Systems - DesignBeginnerNew
Build an Attention-Visualization Tool for Translation Quality Audit
You will load a small open-source EN-FR transformer (e.g., Helsinki-NLP Opus-MT-en-fr), build a Streamlit or Gradio demo that lets the user paste English source, see the French …
- Attention Mechanisms
- Neural Mt
- Tool Design
Machine Translation - DesignIntermediateNew
Design an Adaptive UI for a Streaming-Platform Recommender
Design 3 adaptive layout variants triggered by session-intent signals (time of day, last-3-session pattern, device class) — without retraining the recommender. Build a high-fide…
- Adaptive Interfaces
- Interaction Design
- A/B Testing
Advanced Human-Computer Interaction - DesignIntermediateNew
Score Compliance Risk for an Enterprise AI Rollout Pipeline
You will design a compliance-risk scoring methodology covering 8 attributes (data residency, model provider, retention policy, PII handling, audit trail, encryption, third-party…
- Risk Scoring
- Compliance Modeling
- Decision Support Systems
Decision Support Systems and Decision Analysis - DesignIntermediateNew
Drift-Detect + Self-Heal a Multi-Tenant Kubernetes Estate
Enable ArgoCD auto-sync with selfHeal + prune across all 28 clusters. Add Kyverno cluster policies enforcing baseline standards (registry, resource limits, network policy). Buil…
- Argocd
- Kyverno
- Drift Detection
GitOps and Continuous Delivery - 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 - DesignIntermediateNew
Rebuilding Team Dynamics in a 40-Person SaaS Scale-Up
Your team will conduct a team dynamics assessment using Tuckman's stages and Lencioni's five dysfunctions model. You will analyze survey data (provided) and propose a structured…
- Team Dynamics
- Conflict Resolution
- Organizational Development
Organizational Behavior
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.