Senior Developer Needed for SaaS Code Review and Workflow Testing

I have a completed multi-tenant, white-label SaaS platform for AI-powered service management. I’m looking for an experienced individual developer to review the codebase and thoroughly test the workflow automation system. Scope: • Review the frontend, backend, APIs, database, security, and infrastructure • Test workflow creation, branching logic, triggers, actions, SLA timers, retries, and error handling • Identify bugs, performance issues, security risks, and technical debt • Verify tenant isolation, permissions, integrations, and workflow reliability • Fix agreed critical issues and improve automated tests • Provide a clear code-review and testing report Preferred experience: • Multi-tenant SaaS platforms • Workflow automation or event-driven systems • TypeScript/Node.js or Python • PostgreSQL, Redis, queues, Docker, and cloud infrastructure • API integrations and automated testing • AI or LLM-powered applications Please include examples of similar codebase reviews, workflow systems you have tested, your availability, and your estimated timeline. Start your proposal with “Workflow Review” to confirm you read the full post. Individual developers only. No agencies.