Social Sciences Challenges
Explore social sciences challenges on Ewance to apply rigorous thinking to real-world problems. Work on research-driven briefs across psychology, sociology, policy, and communication.
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- StrategyIntermediateNew
Design a Bundled Pricing Business Case for an Industrial IoT Vendor
Using the company facts in the company case file, the historical deal records in the deal-history dataset, and the required sections listed in the board business case template, …
- Business Case
- Financial Modeling
- Pricing Strategy
Open coursework - StrategyBeginnerNew
Lead a Coordinated AI Feature Launch for an HR Software Startup
Using the company background brief and the draft feature specification provided, design a six-week launch plan covering four parallel workstreams: product readiness (acceptance …
- Product Launch
- Cross Functional Coordination
- Go To Market
Open coursework - CodeBeginnerNew
Characterization Tests for an Untested Pricing Engine
Drive the pricing engine with around 800 representative input vectors generated from anonymized production quotes (provided). For each vector, capture the current output as the …
- Characterization Tests
- Approval Testing
- Legacy Code
Refactoring and Code Smell Detection - ResearchBeginnerNew
Run a Stakeholder Discovery Program for a Hospital Records Replacement
Using the discovery context and stakeholder roster in the case file, design and run a structured program of 38 interviews (45 minutes each) covering the 28 clinicians, 6 technol…
- Stakeholder Analysis
- Requirements Elicitation
- User Interviews
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Every challenge is shaped from real-world context — not generic exercises. The work mirrors what your degree prepares you for.
Why Ewance
- DesignBeginnerNew
Use-Case Specification for a Marketplace Disputes Workflow
Identify 5 primary use cases (e.g., 'Buyer opens dispute within 7-day window', 'Seller counters with evidence', 'Operations escalates to refund'). For each: actors, precondition…
- Use Cases
- Cockburn Template
- Requirements Specification
Requirements Engineering - CodeSeniorNew
Formally Specify and Model-Check a Payment Rate-Limit Service in TLA+
Using the incident record (INCIDENT-FILE), the protocol design note (PROTOCOL-NOTE), and the representative coordinator module (COORDINATOR-MODULE) provided to you, write a TLA+…
- Tla Plus
- Formal Specification
- Model Checking
Open coursework - DesignBeginnerNew
Validate a Signed Construction-Permits Requirements Document
Using the requirements excerpt (req-doc-excerpt), the anonymized permits dataset (permits-dataset), and the intake notes from the first case-handler session (intake-notes), conv…
- Requirements Validation
- Executable Scenarios
- Gherkin
Open coursework - StrategyIntermediateNew
Rebuild a Bank's Requirements Baseline for Audit Defense
Working only from the program case file, the current 400-entry requirements spreadsheet, and the auditor's findings note provided to you, produce a judgment and a working baseli…
- Requirements Management
- Traceability
- Governance
Open coursework - Browse challenges
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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.
- StrategyBeginnerNew
REST API Versioning Strategy for a 4-Year-Old Public API
Pick a versioning scheme (URI path vs header-based) and justify it against integrator behavior. Define the deprecation lifecycle: announce → deprecate → sunset, with concrete ti…
- REST API Design
- API Versioning
- Openapi
Engineering Software as a Service - CodeIntermediateNew
Halve the Inner Solver in a Crash-Simulation Pipeline
Using the public structural finite-element matrices declared in `structural-matrices` as stand-ins for three production mesh sizes, benchmark four combinations: (1) GMRES with i…
- Sparse Linear Algebra
- Krylov Methods
- Preconditioning
Open coursework - AnalysisIntermediateNew
ODE Integrator Benchmark for a Pharma PK/PD Pipeline
Use SciPy's solve_ivp + SUNDIALS (via scikit-sundae or diffeqpy) to benchmark: RK45 (baseline), LSODA, BDF (CVODE), Radau, and Rosenbrock. Run on three model classes (insulin-gl…
- Numerical Odes
- Stiff Integrators
- Scientific Python
Scientific Computing and Numerical Methods - CodeSeniorNew
Linkerd to Istio Migration for a Multi-Cluster Platform
Phase 1: install Istio alongside Linkerd in PERMISSIVE mode (Istio sidecars injected, Linkerd proxies remain). Phase 2: migrate non-critical namespaces first (4 namespaces) by r…
- Istio
- Linkerd
- Service Mesh
Service Mesh and Microservices Networking Build a verifiable portfolio.
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Why Ewance
- CodeIntermediateNew
Canary Deployments via Mesh Traffic Splitting for a Streaming Platform
Set up Flagger with Istio as the traffic provider. Define a canary policy for the playback-API service: 5 percent → 25 percent → 50 percent → 100 percent with 5-minute bake at e…
- Istio
- Flagger
- Canary Deployment
Service Mesh and Microservices Networking - AnalysisBeginnerNew
Define SLOs and Error Budgets for a Real-Time Trading API
Pull 90 days of API latency + error data per endpoint from Prometheus (anonymized exports provided). Propose Service Level Indicators (SLIs) for 3 services × 2 SLI types (availa…
- Slo Definition
- Error Budgets
- Sli Design
Site Reliability Engineering - PresentationBeginnerNew
Run an Incident-Response Tabletop for a Healthtech On-Call Team
Design 3 tabletop scenarios with realistic timeline injects (every 5-10 minutes, new info arrives). Run the tabletop hybrid (in-person + remote) with the 8 on-call engineers + 2…
- Incident Response
- Tabletop Exercises
- Incident Command System
Site Reliability Engineering - AnalysisBeginnerNew
Postmortem and Action-Item Tracking for a 3-Service Outage
Re-write the existing postmortem using the Google SRE blameless format: timeline (anchored to UTC), what went well, what went poorly, where we got lucky, action items (S.M.A.R.T…
- Postmortems
- Blameless Culture
- Action Item Tracking
Open coursework - AnalysisIntermediateNew
Capacity Planning Model for a Black-Friday Traffic Surge
Pull 18 months of per-service request rate + utilization from Prometheus. Forecast BFCM traffic per service using a baseline + multiplicative seasonal model (Prophet or statsmod…
- Capacity Planning
- Forecasting
- Autoscaling
Site Reliability Engineering - 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 - StrategyBeginnerNew
Set Up Trunk-Based Development on a 3-Branch Workflow
Audit the current branch + merge data over 8 weeks (frequency, conflict count, time-to-green). Pick one product team for a 4-week pilot: introduce a feature-flag system (Unleash…
- Version Control
- Trunk Based Development
- Feature Flags
Open coursework - CodeIntermediateNew
Refactor a God-Object Order Service with Strategy + Command
Read OrderService and the last 18 months of bug tickets touching it. Author a 5-page design document showing the current class diagram, the target Strategy-per-order-type + Comm…
- Design Patterns
- Refactoring
- Strategy Pattern
Software Design and Design Patterns - 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…
- API Design
- REST
- Openapi
Software Design and Design Patterns - ResearchFoundationalNew
Requirements Discovery for a Restaurant Inventory App
Conduct 5 semi-structured interviews (45 minutes each) across line cook, kitchen manager, bar manager, store manager, and group operations. Synthesize findings into 5 user perso…
- Requirements Engineering
- User Interviews
- Use Case Modeling
Software Engineering Foundations - StrategyBeginnerNew
Estimate and Plan a 6-Week MVP for a Local Logistics Startup
Read the product brief and decompose it into 8-12 modules (driver app, dispatcher console, shipper portal, billing, etc.). Estimate each module using 3-point estimation (optimis…
- Estimation
- Scheduling
- Risk Management
Software Engineering Foundations - StrategyBeginnerNew
Maintenance Plan for a Donated NGO Web Platform
Run an inventory: dependencies (with known-CVE check), secret exposure, test coverage, deploy process, observability, and on-call. Author a 12-month maintenance plan covering pr…
- Software Maintenance
- Dependency Management
- Security Hardening
Software Engineering Foundations
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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