Vaibhav Dubey

About Vaibhav Dubey

Backend developer specializing in production systems with AI integration.BUSINESS IMPACT• Automated 150K+ eBay listings in 6 months, enabling company revenue to scale to 9-figure INR• Built self-hosted AI image search handling 200K+ records (eliminated vector API costs)• Reduced zero-result searches by 80% with fine-tuned semantic search• Enabled 20+ white-label websites with 10-minute deployment via webhook orchestrationAI/ML SPECIALIZATION• Production RAG systems with optimized search performance• Vector databases for large-scale similarity search• Self-hosted AI solutions (CLIP, transformer embeddings)• Semantic search engines trained on domain-specific datasetsTECHNICAL STACK- Backend: Node.js, JavaScript, Python, TypeScript, Express.js, FastAPI, Microservices- Databases: PostgreSQL, MongoDB, Redis, Qdrant (Vector DB)- AI/ML: RAG Systems, Vector Search, Semantic Search- Infrastructure: AWS (EC2, RDS, S3), Docker, BullMQ, CI/CD- APIs: REST APIs, eBay API, PayPal/Stripe/Klarna, JWT, WebSocket- Frontend: React.js, Next.js, ReduxSpecialized in: Backend architecture, AI system integration, e-commerce automationTarget: Startups needing scalable backend systems with AI featuresOpen to: Backend roles with AI components, startup opportunities.

Experience

1. Mern Stack Developer

   Codbizz Technologies

   Sep 2023 — Present · Navsari, IN

Education

• Veer Narmad South Gujarat University Surat

  Bca Bachelorss in Computer Application, Computer Programming Specific Applications

  2022 — 2025