Business Challenges
Explore business challenges on Ewance to sharpen the skills employers actually hire for. Practice marketing, finance, operations, and strategy work on real-shaped briefs and earn verified credentials.
Most Popular
- StrategyBeginnerNew
PMO Pilot for a Mid-Cap Engineering Org
Audit 4 pilot teams over 1 week: backlog, work-in-flight, cross-team dependencies, ad-hoc requests, slip history. Design a lightweight PMO covering: portfolio view (Notion + Lin…
- Pmo Governance
- Portfolio Management
- Intake Design
Software Project Management - StrategyIntermediateNew
CMMI Level 3 Process-Improvement Roadmap for a Defense Subcontractor
Read the company's current process documentation + recent CMMI Level 2 appraisal report. Run a gap analysis against the 11 additional Level 3 process areas (Requirements Develop…
- Cmmi
- Process Improvement
- Process Models
Software Quality and Process Improvement - StrategyBeginnerNew
Continuous-Improvement Kata for a SaaS Engineering Org
Read Mike Rother's 'Toyota Kata' framework + 'The Kata Coaching Practice Guide'. Design a lightweight Improvement Kata for the 3 pilot teams: vision (engineering quality), targe…
- Continuous Improvement
- Toyota Kata
- Coaching
Software Quality and Process Improvement - CodeBeginnerNew
Build an End-to-End Test Suite for a Checkout Flow
Inventory the last 6 months of production checkout incidents (anonymized export provided). Pick the top 7 user journeys (1 happy path + 6 highest-incident edge cases) and write …
- End To End Testing
- Playwright
- Ci Cd
Software Testing and Quality Assurance 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
- CodeIntermediateNew
Property-Based Testing for a SEPA Payments Library
Read the SEPA Pain.001 XSD (XML Schema Definition) and pick 5 invariants the parser MUST preserve (e.g., 'sum of transactions equals control sum', 'IBAN passes mod-97 check', 'c…
- Property Based Testing
- Fuzz Testing
- Systems Language Proficiency (Go, Rust, C++)
Software Testing and Quality Assurance - AnalysisIntermediateNew
Mutation Testing on a Critical Pricing Service
Run PIT against the pricing service to get a baseline mutation score per class. Identify the 5 classes with the largest gap between line coverage and mutation score (these are t…
- Mutation Testing
- Python Or Javascript
- Junit
Software Testing and Quality Assurance - StrategyBeginnerNew
Design a Risk-Based Test Strategy for a Telehealth Release
Run a risk-scoring workshop with the 3 QA engineers and 2 tech leads (template provided). For each of the 7 modules, score probability of failure, customer impact, and regulator…
- Risk Based Testing
- Test Strategy
- Test Planning
Software Testing and Quality Assurance - CodeIntermediateNew
Stand Up Contract Testing for a Microservices Backend
Inventory the 18 services and pick the 6 producer-consumer pairs with the most staging breakages in the last 90 days. Stand up a Pact broker (self-hosted or PactFlow trial). For…
- Contract Testing
- Pact
- Microservices Patterns
Software Testing and Quality Assurance - 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.
- StrategyBeginnerNew
Negotiate a Debt-Paydown Budget Inside a Roadmap
Pick 3 well-known debt items (e.g., flaky tests blocking deploys, manual tenant provisioning, a legacy notification service). For each, model the carrying cost in engineer-hours…
- Technical Debt
- Stakeholder Communication
- Refactoring Budgets
Technical Debt Management - StrategyBeginnerNew
Design Critique Process for a Growth Design Team
Design a 60-minute weekly design-critique format covering: pre-read window, presenter prep template, time-boxed feedback rounds (start-stop-continue or 'I like, I wish, I wonder…
- Design Critique
- Facilitation
- Design Systems
User Interface Design and Prototyping - CodeIntermediateNew
Multi-Tenant SaaS Backend with Postgres Row Security
Design the multi-tenant schema: shared tables with a tenant_id column, indexed appropriately. Write a forward + backward migration (using Drizzle or Prisma). Implement Postgres …
- Multi Tenant Architecture
- Postgresql Or Mysql
- Row Level Security
Web Application Development - StrategyIntermediateNew
5G Network Slicing Strategy for a Smart-Port Pilot
Inventory the 3 workloads with concrete numbers (e.g., 'straddle carriers: 12 ms one-way latency, 99.999 percent availability, 50 Mbps uplink'). Design 3 5G network slices (eMBB…
- 5g Network Slicing
- Cellular Networks
- Qos Design
Wireless and Mobile Networks 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
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 - ResearchIntermediateNew
Safety-Test a Customer-Service Agent for Adversarial Prompts
You receive a sandboxed instance of the agent (a tool-using LLM that can read account balances and open support tickets — both mocked). Design a red-team suite of at least 80 pr…
- Ai Agents
- Red Team Operations
- Adversarial Prompts
AI Agents and LLM-Based Agents - StrategyBeginnerNew
Plan a Self-Improving Sales-Research Agent
Build the v0 agent: given a company URL, it gathers 5 fact bullets (recent news, headcount range, tech stack hints, hiring patterns, a recent leadership change) and drafts a 4-l…
- Ai Agents
- Agent Design
- A/B Testing & Experimentation
AI Agents and LLM-Based Agents - AnalysisBeginnerNew
Audit a Hiring-Screening Model for Demographic Bias
You receive: (a) inference API access to the production model (black-box), (b) a 12,000-resume audit benchmark with self-declared gender and age-band labels (consented, GDPR-com…
- Fairness Metrics
- Bias Auditing
- Model Evaluation
AI Ethics, Fairness, and Responsible AI - StrategyBeginnerNew
Design an Internal AI-Use Policy for a Mid-Cap Bank
You receive the bank's existing IT-acceptable-use policy and a description of which AI tools are being rolled out (an internal Anthropic Claude wrapper for general use; a code-c…
- Ai Governance Frameworks
- Policy Design
- Responsible Ai
AI Ethics, Fairness, and Responsible AI - StrategyBeginnerNew
Frame an AI Opportunity for a Mid-Cap Insurance Carrier
You receive: line-of-business P&Ls, customer-journey maps, and a list of 18 candidate AI initiatives the operating teams have proposed over the last year. Score each candidate o…
- Ai Workforce Strategy
- Opportunity Scanning
- RICE Prioritization
AI for Business and AI Product Management - 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 - StrategyBeginnerNew
AI Make-or-Buy Analysis for a Climate-Tech Series-B
You receive: the company's headcount and ML capability map, vendor RFP responses from 3 vendors per category, and 18-month strategic context. For each model category, build a ma…
- Ai Workforce Strategy
- Make Or Buy Analysis
- Vendor Evaluation
AI for Business and AI Product Management - DesignBeginnerNew
Design the Onboarding for a Consumer-AI Copilot App
You receive: current funnel analytics (1M trial sign-ups over the last 90 days, current activation rate, current D1/D7/D30 retention), a competitor teardown deck, and the founde…
- Product Design
- User Onboarding
- A/B Testing & Experimentation
AI for Business and AI Product Management - AnalysisBeginnerNew
Cost-Model a Foundation-Model API Migration
You receive: 90 days of API logs (request volume, token distributions), the customer's golden eval set of 200 prompts, the incumbent and new pricing schedules, and quality ratin…
- Cost Modeling
- Ai Workforce Strategy
- Model Evaluation
AI for Business and AI Product Management - StrategyFoundationalNew
Strategy Memo on AI in University Assessments
You receive: the current academic-integrity policy, faculty survey data from 320 academic staff, a student survey of 1,800 students, and 3 case studies of how peer universities …
- Education Policy
- Ai Workforce Strategy
- Assessment Design
AI in Education and Learning Analytics - CodeIntermediateNew
Forecast Intraday FX Volatility for a London Liquidity Desk
You receive 18 months of tick-level mid-quote data for six FX pairs plus a calendar of scheduled macro events. Resample to 1-minute bars, engineer realized-volatility features, …
- Time Series Forecasting
- Feature Engineering
- Model Validation
AI and Quantitative Finance
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.



















































































