> You are reading the Docusign Developer Documentation. For clean Markdown of any page, append .md to the page URL.
>
> Documentation indexes by section:
> - APIs and SDKs: https://docusign.docs.buildwithfern.com/docs/llms.txt
> - Platform 101: https://docusign.docs.buildwithfern.com/platform/llms.txt
> - Extension Apps: https://docusign.docs.buildwithfern.com/extension-apps/llms.txt
> - Docusign CLI: https://docusign.docs.buildwithfern.com/docusign-cli/llms.txt
>
> Authentication (OAuth, JWT Grant, M2M): https://docusign.docs.buildwithfern.com/platform/auth
> Webhooks and Connect: https://docusign.docs.buildwithfern.com/platform/webhooks
>
> OpenAPI specifications: https://docusign.docs.buildwithfern.com/openapi.json
> MCP server: https://docusign.docs.buildwithfern.com/_mcp/server

# Secure Engineering for Enterprise | Developer Deep Dive

#### Secure Engineering for Enterprise | Developer Deep Dive

Aaron Liao talks with John Heasman, DocuSign’s Senior Director of Security Engineering. Watch this latest series installment for a deep dive into John’s workflow for engineering application security including the challenges, valuable tools and his code review methodology. We also discuss the culture of the team he manages. In the DocuSign Developer Deep Dive Discussions series, our developer evangelism team sits down with the engineers and experts who build our APIs and tools, offering insights and demonstrations on best practices to speed up your development.