Senior
Senior Software Engineer, Compute Platform at Reddit
An infrastructure-focused senior IC role building the Go-based APIs, Kubernetes controllers, and SDKs that orchestrate Reddit's multi-cloud compute fleet. Interviews go deep on Kubernetes internals, Linux/cgroups expertise, and independent ownership of large, ambiguous infrastructure projects.
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What this interview tests
- Kubernetes controllers/operators and cluster reconciliation
- Linux internals: cgroups, namespaces, multi-tenancy
- Multi-cloud compute orchestration and resource packing/scheduling
- Go-based infrastructure software design
- Independent ownership of large, ambiguous infra projects
Common question themes
Design a Kubernetes controller to manage a specific workload lifecycle
Explain how cgroups/namespaces isolate workloads on a shared node
How you'd approach resource packing and GPU scheduling across cloud providers
A complex cross-system issue you debugged independently, end to end
Your open-source or CNCF-adjacent contributions
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