Senior AI & full-stack engineer for existing software project

I need an experienced AI and full-stack engineer to audit and take over an existing software project, understand the current architecture, complete the outstanding development, fix technical issues, and prepare the system for reliable production use. The engineer must be able to work independently across voice AI, APIs, backend development, workflow automation, integrations, testing, deployment and technical documentation. Further project details will be shared with shortlisted candidates under confidentiality.