Computer Science
Architecture & System Design Challenges
Architecture & System Design challenges put you inside the work of shaping how large software systems fit together. You'll build skills in systems design fundamentals, architecture diagrams, and the C4 model, capturing decisions in Architecture Decision Records (ADRs) the way engineering teams keep their reasoning legible.
From there you'll take on the harder edges — distributed systems design, event-driven architecture, and microservices patterns — driving alignment through RFC authorship and cross-team architecture stewardship while keeping developer experience front of mind. Each challenge you solve earns a verified credential you can share with recruiters.
Recommended Challenges
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Migrating a 40-Person SaaS Scale-Up to Cloud-Native Architecture
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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…
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Industrial Case Study: Why a Microservices Migration Failed
Conduct 8 1-hour interviews across CTO, 3 tech leads, 2 platform engineers, 1 SRE, and the product VP. Analyze 24 months of artifacts (ADRs, RFCs, incident reports, deployment d…
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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…
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Software Testing and Quality Assurance Practice your coursework on real scenarios.
Every challenge is shaped from real industry context — not generic exercises. The work mirrors what your degree prepares you for.
Why Ewance
- DesignIntermediateNew
IT Architecture Overhaul for a 40-Person SaaS Scale-Up
Design a microservices-based architecture with multi-tenancy, API gateway, and compliance features. Propose a migration strategy (strangler fig pattern) over 12 months. Deliver …
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Information Systems and IT Management
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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