Amazon
Mid
SDE, AWS Network Firewall (Seattle)
Interview prep for an SDE role building AWS Network Firewall, the distributed traffic-inspection and filtering service that defends internet-facing customer applications at cloud scale.
Step into this interview
Free · a live voice mock calibrated to this exact role
Likely format
Amazon's standard SDE loop: online assessment, then phone/virtual interviews covering coding, system design, and Leadership Principles behavioral questions.
What this interview tests
- Distributed systems design for high-throughput traffic inspection/filtering
- Production troubleshooting and root-cause analysis (on-call)
- Coding in Java/Python/C++ with strong SDLC discipline
- Reliability and scaling tradeoffs in security-critical infrastructure
- Cross-team collaboration on new service features
Common question themes
Design a scalable packet inspection or traffic filtering system
Walk through debugging a production incident in a distributed service
Coding exercise in Java, Python, or C++
How do you balance shipping fast with maintaining reliability/security
Tell me about a time you drove a technical decision with cross-functional partners
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