[AI-Powered Backend Development](https://freelancer.com/projects/backend-development/powered-backend

[AI-Powered Backend Development](https://freelancer.com/projects/backend-development/powered-backend-development.html) I’m building a SaaS platform whose core value comes from AI-driven features. To get there, I need a backend developer who can design a rock-solid architecture, expose it through REST or GraphQL, and weave large-language-model capabilities straight into the product. Here’s what the work looks like: • Architect and code a scalable service layer in the language and framework you know best, provided it produces clean, readable code and unit tests. • Shape an efficient SQL schema (we use MySQL / PostgreSQL) and tune queries so response times stay snappy even under load. • Wire up OpenAI, Claude, Gemini and other LLM APIs to deliver three critical AI/ML functions: –...