BIZTECH: At Capital One, you’re said to be “developing for comprehensive observability from the outside.” McNAMARA: One thing I hear from time to time is that serverless is “no ops.” As a developer on these platforms, it’s up to you to make sure that you understand what your application is doing. With serverless, and AWS Lambda in particular, you have to be way more disciplined than you might ordinarily be in a containerized environment or in, say, an instance-based environment. In the case of Lambda, you get things like: How many times am I invoking my Lambda function?