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The Configuration Contract: Why Parsing JSON is a Test of Trust
access_time 2025-09-19T04:30:27.648Z face Benito J D
The Configuration Contract: Why Parsing JSON is a Test of Trust Junior/Mid Engineer Asked at: Every company that uses configuration files. Q: How would you parse a JSON config file in Python and fetch a specific, nested key? Why this matters: This is a test of robustness, not syntax. Any application...
The River and the Lake: Python's Most Deceptive Interview Question
access_time 2025-09-19T03:50:20.079Z face Benito J D
The River and the Lake: Python's Most Deceptive Interview Question Junior/Mid Engineer Asked at: Startups, Big Tech, any DevOps/SRE role Q: Write a Python script to read a log file and print all lines containing the word "ERROR". Why this matters: This seems trivial, but it's a filter for practicali...
From Code to Cloud: The Docker & Kubernetes Blueprint for Zero-Downtime Deployments
access_time 2025-09-19T03:40:50.238Z face Benito J D
From Code to Cloud: The Docker & Kubernetes Blueprint for Zero-Downtime Deployments Junior/Mid Engineer Asked at: FAANG, Startups, Cloud-Native companies Q: Explain the basics of a Dockerfile. Then, in Kubernetes, explain what a Pod, Deployment, Service, ConfigMap, and Secret are. Finally, how would...
The Watchful Guardian: A Script to Tame Failing Services
access_time 2025-09-19T03:37:58.343Z face Benito J D
The Watchful Guardian: A Script to Tame Failing Services Junior/Mid Engineer Asked at: Startups, Mid-size tech, any role with on-call Q: You have a service that sometimes enters a bad state and logs a fatal error without crashing. Write a script to monitor the service's log file, detect a specific e...
Terraform Isn't About Code, It's About Trust: A Blueprint for Reality
access_time 2025-09-19T03:33:22.977Z face Benito J D
Terraform Isn't About Code, It's About Trust: A Blueprint for Reality Junior/Mid Engineer Asked at: AWS, Startups, any cloud-native company Q: Explain Terraform basics (provider, resources, variables, state). Show me how to create an encrypted S3 bucket. And tell me, what is idempotency and why is I...