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
- StrategyIntermediateNew
Spin-Out Strategy for a Robotics Lab's Warehouse Picking IP
Map each path: (1) OEM licensing (model royalty terms, time-to-deal, IP protection); (2) founder-led startup (cap table, hiring needs, fundraising path, 18-month milestones); (3…
- Venture Building
- Research To Product
- Strategic Options Analysis
Innovation and Entrepreneurship for CS - ResearchIntermediateNew
Emerging-Tech Scouting Sprint for a Family-Office Innovation Fund
Per sector, map the landscape (around 30 active companies, segment by stage + business model + technical approach). Score companies on a technology-readiness-level (TRL) + comme…
- Emerging Tech Scouting
- Innovation Management
- Venture Thesis
Innovation and Entrepreneurship for CS - StrategyIntermediateNew
Corporate Innovation Pilot Design for a Tier-1 Auto Supplier
Audit year-1: review the 14 pilots' charters, outcomes, and sponsor commitment. Identify the structural failures (likely: no sponsor with budget ownership, no scale-up criteria …
- Innovation Management
- Pilot Program Design
- Stakeholder Communication
Innovation and Entrepreneurship for CS - CodeIntermediateNew
Forecasting Model for Online-Game Daily Active Users
Build forecasts at 14-day horizon per region using: (1) classical baseline — SARIMA or Prophet; (2) ML approach — gradient-boosted regressor on engineered features (day-of-week,…
- Supervised Learning
- Time Series Forecasting
- Python Or Javascript
Machine Learning (CS Elective) 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
- StrategyIntermediateNew
Build a 3-Year IT Strategy for a Tier-1 Auto Supplier
Inventory the current IT estate from anonymized exports (CMDB extract, license registry, 4 plant CIO interviews, last 18 months of incident data). Identify 5 strategic themes (l…
- It Strategy
- It Governance
- Business It Alignment
IT Management and Governance - AnalysisIntermediateNew
Application Portfolio Rationalization at a Global Bank
Receive a CMDB extract of 412 applications with cost, technology stack, business owner, and usage telemetry (anonymized). Score each application on business value (revenue contr…
- Portfolio Rationalization
- It Governance
- Cost Analysis
IT Management and Governance - CodeIntermediateNew
VR Training Simulator for Power-Substation Switching
Receive a real switching procedure (anonymized: 14-step bay isolation), the safety regulation it references, and photos of the live substation bay. Build a Unity 6 + XR Interact…
- Vr Development
- Unity
- Xr Interaction
Virtual and Mixed Reality - DesignIntermediateNew
Detection Engineering for Cloud DDoS Against a Public-Sector Portal
Receive sanitized logs from the 2 prior incidents (CloudFront, ALB, WAF) and the current AWS architecture. Design: 6 Sigma detection rules (mix L7 floods, slow-POST, low-rate di…
- Ddos Defense
- Detection Engineering
- Waf
Network Security - Browse challenges
Explore role
Strategy Analyst
Frame the business question, model the options, build the recommendation. From market sizing to competitive analysis, this role is where strategy consulting meets in-house decision-making.
- DesignIntermediateNew
Intrusion Detection at the Edge for a Tier-1 Auto Supplier's OT Network
Receive an anonymized network diagram for 1 plant, sample pcap (packet capture) traffic of Modbus + OPC UA + PROFINET flows, and a list of 10 known OT attack scenarios from MITR…
- Intrusion Detection
- Ot Security
- Zeek
Network Security - CodeIntermediateNew
Upstream a Strategic Patch to a Major CNCF Project
Pick a published roadmap area on the chosen project (instructor will sanity-check the choice). Read the project's CONTRIBUTING.md, RFC template, governance model, and the 3 most…
- Oss Contribution
- Rfc Design
- Pr Etiquette
Open Source Contribution and Maintainership - CodeIntermediateNew
Build a User-Space File System with FUSE for a Storage Startup
Build a FUSE driver (your choice of Rust + fuser crate or Go + bazil/fuse) that proxies POSIX operations to the startup's existing S3-compatible REST API (mock provided). Suppor…
- File Systems
- Fuse
- Rust Programming
Operating Systems - StrategyIntermediateNew
Write a Product Strategy for an AI-Native Customer-Support Startup
Conduct desk research on the customer-support automation market (TAM, growth rate, competitor landscape — Zendesk, Intercom, the new AI-native cohort like Decagon and Sierra). I…
- Product Strategy
- Market Analysis
- Positioning
Product Management for Software Engineers Get recognized by recruiters and employers.
Credentials are blockchain-anchored via LearnCoin — tamper-evident, portable, link-shareable on LinkedIn and beyond.
Why Ewance
- StrategyIntermediateNew
Build a Business Case for a Hardware-Software Bundle at an IoT Vendor
Build a 5-year financial model (Excel or Google Sheets) covering 3 scenarios: hardware-only, SaaS-only, bundled-per-asset. Account for hardware-revenue recognition (upfront vs a…
- Business Case
- Three Statement Modeling
- Pricing Strategy & Elasticity
Product Management for Software Engineers - CodeIntermediateNew
Implement a Persistent Immutable List for a Collaborative-Editing Startup
Implement in Python (or TypeScript / Kotlin). Build a persistent immutable list with operations: get, set, append, pop, slice, concat. Use structural sharing (32-way vector trie…
- Data Abstraction
- Recursion
- Persistent Data Structures
Programming Abstractions - CodeIntermediateNew
Apply the Mikado Method to Untangle a Tax-Engine Class
Starting from the live codebase (Java 17, 73 percent line coverage), write a failing test that asserts the desired end state ('TaxCalculator is decomposed into per-country strat…
- Mikado Method
- Refactoring
- Strategy Pattern
Refactoring and Code Smell Detection - StrategyIntermediateNew
Requirements Management for a 2-Year Banking Core Migration
Pick a requirements-management tool (Jama Connect, Polarion, or a Confluence + Jira pattern) and justify the choice against the bank's audit + compliance needs. Define a metamod…
- Requirements Management
- Traceability
- Governance
Requirements Engineering - CodeIntermediateNew
Roll Out mTLS Across 80 Microservices with Istio
Install Istio (current LTS) in ambient mode where possible, sidecar mode where ambient is not yet supported by the service. Phase 1: enable PERMISSIVE mTLS namespace by namespac…
- Istio
- Mtls
- Kubernetes Orchestration
Service Mesh and Microservices Networking - AnalysisIntermediateNew
Architecture Evaluation via ATAM for a Healthcare Platform
Run a 2-phase ATAM (Phase 1: present architecture + elicit quality-attribute goals + analyze approaches; Phase 2: broader stakeholder validation). Capture: business drivers, qua…
- Atam
- Architecture Evaluation
- Quality Attributes
Software Architecture - DesignIntermediateNew
Event-Driven Architecture for an Order-to-Cash Pipeline
Design an event-driven architecture using a Kafka-like message bus (anonymized: assume a Kafka-compatible event log). Define: 9 event types with Avro schemas, partition strategy…
- Event Driven Architecture
- Kafka Event Streaming
- Saga Pattern
Software Architecture - StrategyIntermediateNew
Choose Between Microservices and Modular Monolith for a Scale-Up
Audit the codebase: lines of code per Rails engine, deploy frequency, change-coupling between engines (using git co-change analysis), per-engine on-call burden. Survey the 4 squ…
- Architecture Decision
- Team Topologies
- Modular Monolith
Software Architecture - 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
Domain-Driven Design Aggregate Redesign for a Lending API
Facilitate a 1-day event-storming workshop with 8 participants from product, engineering, risk, and operations to surface domain events. From the events, identify 3-5 bounded co…
- Domain Driven Design
- Event Storming
- Bounded Contexts
Software Design and Design Patterns - StrategyIntermediateNew
Roll Out an Advanced Process Model (LeSS) to 6 Product Teams
Read the LeSS framework (Larman + Vodde) and audit the 6 teams' current Scrum practice (anonymized data + 4 hours of recorded ceremonies). Author a 10-page rollout design coveri…
- Advanced Process Models
- Scaling Agile
- Less
Advanced Software Engineering - AnalysisIntermediateNew
Reverse-Engineer a 22-Year-Old COBOL Batch Pipeline
Use SonarQube + cobol-language tooling + JCL parsers to extract job dependencies and data-flow across the 140 jobs. Build a job-dependency graph (Graphviz). Run impact analysis:…
- Reverse Engineering
- Legacy Systems
- Dependency Analysis
Software Evolution and Maintenance
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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