AI Product Engineer | Full-Stack Developer | Backend & System Design Focused

I build scalable AI-powered SaaS platforms with production-grade backend architecture.
Focused on system design, LLM optimization, and clean developer-first code structure.

• Building AI-driven SaaS products end-to-end
• Designing scalable backend systems
• Working with LLM APIs & AI workflows
• Implementing RBAC & secure authentication systems
• Optimizing AI inference cost & performance
• Structuring codebases that other developers can scale on top of

An AI-powered script generation platform for creators, marketers, and businesses.

• Generates structured marketing scripts
• YouTube & storytelling content generation
• Social media script generation
• Prompt-optimized AI outputs

• Modular backend API structure
• Clean service-layer separation
• LLM API integration
• Optimized prompt pipeline
• Production-ready deployment

Live Demo:
https://script-writer-dnex.vercel.app/

A complete AI Chatbot SaaS platform where users can:

• Create their own chatbot
• Train it on custom data
• Deploy instantly
• Use it for automated customer support
• Manage conversations in a dashboard
• Subscribe and use — no complex setup required

1. User signs up
2. Selects subscription plan
3. Creates bot instance
4. Uploads / trains data
5. AI processes and indexes data
6. Chatbot becomes live
7. Customers interact in real-time
8. Admin monitors chats via dashboard

• Multi-tenant SaaS architecture
• Subscription-based access control
• Role-based permissions
• Data isolation per user
• Vector search / RAG-ready pipeline
• Secure API architecture
• Scalable backend services
• Clean modular folder structure

• Node.js
• Express.js
• FastAPI
• REST API Design
• Middleware architecture
• JWT Authentication
• Role-Based Access Control

• React.js
• Next.js
• TypeScript
• Component-driven architecture
• Modern UI structuring

• MongoDB
• Mongoose
• Schema design & optimization

• LLM API integrations
• Prompt engineering
• RAG architecture
• Vector search systems
• Inference cost optimization

• Clean architecture
• Separation of concerns
• Scalable folder structures
• Service-based backend design
• Extensible system foundations
• Production-ready code standards

• Remote AI / Backend roles
• Early-stage startup collaboration
• AI SaaS consulting
• Freelance backend & AI projects

LinkedIn: https://www.linkedin.com/in/ankit-kumar-33b3b9233/

I don’t just build features. I design systems that scale.