For DevSecOps, how much software dev knowledge do I need?

I’ve been a security engineer for about 2 yrs now and I want to start picking up a specialization to better prep my future. This I thought of DevSecOps because of my knowledge of python, bash, and IaC (terraform and bicep). Along with some CICDs, Jenkins and Azure DevOps. But the part that is giving me second thoughts is the knowledge of some software development you need to properly secure what you are securing in the pipeline. So my question …

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