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I will build an unbreakable ai backend with llm failover
Ayush Aryan
About this gig
Is your AI application ready for an API outage?
99% of AI wrappers and chatbots crash when OpenAI's servers hit high traffic (Error 429) or Gemini goes down (Error 503). Every minute your API is down, you lose users. Don't let your business rely on a single point of failure.
I am a Backend Engineer specializing in resilient, enterprise-grade AI architectures. I don't
just connect an API; I build Zero-Downtime Multi-LLM Failover Systems.
LAUNCH OFFER: My prices are discounted for my first 5 clients on Fiverr to build my portfolio. Once I hit 5 reviews, the Premium package goes back to $400.
️ The Quad-Layer Architecture:
- Primary: OpenAI API handles the standard payload.
- Failover 1: If OpenAI hits a rate limit, traffic routes to Google Gemini instantly.
- Failover 2: If Gemini crashes, it hits Meta Llama-3 via Groq.
- Ultimate Fallback: Local dynamic sandbox.
️
Tech Stack:
- Node.js, Express, & Strict TypeScript
- MongoDB Atlas & Secure JWT Auth
- Clean, production-ready code
Lets make your backend unbreakable. Message me before placing an order to discuss your exact needs!
Get to know Ayush Aryan
Ayush Aryan
- FromIndia
- Member sinceSep 2025
Languages
Hindi, English
Hiii.. I’m Ayush, a passionate frontend developer with experience in HTML, CSS, JavaScript, and React. I build fast, responsive, and clean websites. I’ve worked on multiple projects including portfolios, landing pages, and UI components. I'm excited to help businesses bring their website ideas to life!
FAQ
Do I need to provide my own API keys?
Yes. For security and direct billing, you will use your own API keys (OpenAI, Gemini, Groq) and MongoDB Atlas URI for production. I will provide a clean .env.example file and guide you on where to paste them.
Can this integrate with my frontend (React/Next.js)?
Absolutely! I will provide clean, fully tested API endpoints along with documentation that your frontend developer can easily plug into.
Why do I need a multi-layer failover system?
Cloud AI APIs frequently face high demand and go down. A failover system acts as a safety net, instantly switching to a backup AI model in milliseconds so your end-users never experience downtime or errors.
