Microservice Patterns – CQRS, Saga, and BFF
EPAM · not-specified · 0 answers
Year not specified · System Design
System Design interview questions and answers
Explore system design interview questions and answers. Read questions shared by candidates and compare community answers before your next interview.
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Questions
Distributed System / Kubernetes Cluster Management: You mentioned the travel platform is a distributed system — can you walk me through what that looks like? Do you manage the nodes yourself?
Dodge Construction Network · not-specified · 0 answers
Asked in 2026 · System Design, DevOps
Concurrency Handling — Race Condition Scenario: Can you give me a specific scenario where you handled concurrency — what was the race condition or resource contention you were protecting against?
Dodge Construction Network · not-specified · 0 answers
Asked in 2026 · System Design
CQRS vs a Well-Organized Traditional API: How is CQRS different from a traditional API that's just better organized, with separate read/write logic within a conventional architecture? ↳ Follow-up pressing on whether CQRS provides something a well-structured layered API couldn't achieve on its own.
Dodge Construction Network · not-specified · 0 answers
Asked in 2026 · System Design
Trade-off of Using CQRS: Can you think of a trade-off of using CQRS versus not using it?
Dodge Construction Network · not-specified · 0 answers
Asked in 2026 · System Design
Why CQRS Was Chosen: Why was CQRS chosen for this use case versus a traditional API standard of controller/service/repository/database?
Dodge Construction Network · not-specified · 0 answers
Asked in 2026 · System Design
Full Architecture Walkthrough: Can you walk me through the entire architecture you were responsible for, from login onward?
Dodge Construction Network · not-specified · 0 answers
Asked in 2026 · System Design
CQRS — Benefits and Drawbacks: In your own opinion, why is there a benefit to using CQRS? What’s a drawback of it? ↳ Follow-up: Why use CQRS for a system at this scale, when CQRS is typically for very large-scale systems?
Dodge Construction Network · not-specified · 0 answers
Asked in 2026 · System Design
Semaphore — Concurrency Use Case: I saw you listed that you were managing concurrency using Semaphore — what’s the use case for that? Multithreading?
Dodge Construction Network · not-specified · 0 answers
Asked in 2026 · C#, System Design
Data Redundancy & Consistency: In a microservice architecture you’ll have data redundancy — how do you ensure it’s consistent?
Dodge Construction Network · not-specified · 0 answers
Asked in 2026 · System Design
Microservices Anti-Pattern: You mentioned it’s a microservice architecture with an anti-pattern — can you elaborate on that?
Dodge Construction Network · not-specified · 0 answers
Asked in 2026 · System Design
Awareness about various Microservices concepts.
Infinite Computer Solutions · not-specified · 0 answers
Year not specified · System Design
What are Webhooks?
Infinite Computer Solutions · not-specified · 0 answers
Year not specified · System Design
where is microservices deployed in azure?
EY · not-specified · 0 answers
Year not specified · Azure, System Design, DevOps
Project Architecture
PwC · not-specified · 0 answers
Asked in 2026 · System Design
What is CQRS?
Impetus · not-specified · 0 answers
Year not specified · System Design
There is a row with name X. Two users try to update it at the same time. How will you handle it? - Follow-up: when do you use optimistic concurrency vs. pessimistic concurrency?
Routeware · not-specified · 0 answers
Year not specified · System Design
How did you handle distributed systems in your project?
Altimetrik · not-specified · 0 answers
Asked in 2026 · System Design
Which Design Pattern and explain and write the code for this?
Agiliad Technologies Pvt Ltd · not-specified · 0 answers
Asked in 2026 · System Design
Diff between Monolith and Micro services?
Agiliad Technologies Pvt Ltd · not-specified · 0 answers
Asked in 2026 · System Design