Distributed systems engineer scaling Replit's cloud infrastructure for AI-built apps

Interview for Replit's Compute Platform team, building the cloud infrastructure (Golang/Rust) that lets Replit Agent deploy and run millions of user-built apps reliably and cost-efficiently. Expect deep distributed-systems and Linux-internals questions, plus reliability and cost-optimization scenarios, given oncall rotation is required.

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What this interview tests

Distributed systems architecture
Cloud infrastructure cost optimization
Reliability & scalability engineering
Linux internals
Golang/Rust systems programming
Autonomous ownership under ambiguity

Common question themes

Design a scalable, cost-aware deployment platform for many small user workloads

Debugging a production reliability/availability issue in a distributed system

Tradeoffs in auto-scaling and resource provisioning to cut cloud spend

Experience with platform-as-a-service or distributed storage systems

How you've worked across the stack independently without heavy direction

Comfort with Linux internals and oncall for infrastructure you own

How candidates describe it

Real Software Engineer interview stories — retold from candidates' public write-ups, with sources.

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