DevSim is in beta — System Design Arena, NovaTech CRM, RAGCore, TechCorp HRM, ShopFront, DataForge, and InfraCore are live now. More codebases dropping soon. Your feedback shapes what we build next.
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Pick the stack you work with. More coming soon.
New
SD
System Design Arena
FAANG-style architecture challenges
ArchitectureJuniorMidSenior
10 tickets available
Live
.NET
NovaTech CRM
Enterprise order management system
.NET 8JuniorMidSenior
17 tickets available
New
🐍
RAGCore
AI document Q&A system
Python + LangChainJuniorMid
15 tickets available
New
TS
TechCorp HRM
HR management platform
Node.js + TypeScriptJuniorMidSenior
15 tickets available
New
⚛
ShopFront
React e-commerce storefront
React + TypeScriptJuniorMidSenior
15 tickets available
New
⚡
DataForge
Kafka + Spark data pipeline
Python + Kafka + SparkJuniorMidSenior
15 tickets available
New
⚙
InfraCore
Terraform + Kubernetes infrastructure platform
Terraform + KubernetesJuniorMidSenior
15 tickets available
New
C++
MatchCore
Low-latency order matching engine
C++17JuniorMidSenior
15 tickets available
New
🌍
Meridian GlobeView
3D map & terrain rendering engine
C++17 + OpenGLJuniorMidSenior
11 tickets available
New
☕
FinServe
Spring Boot payments & ledger service
Java 17 + Spring BootJuniorMidSenior
15 tickets available
New
A
PulseDash
Angular real-time admin dashboard
Angular 17JuniorMidSenior
15 tickets available
FAANG prep
Go
SearchCore
FAANG-style search system
Python + GoSenior
Coming soon
Coming soon
?
More stacks coming
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All codebases are free during beta.