Raja K.

I build production AI and fintech systems, not demos. 20+ years in banking, fintech and enterprise technology, with the last 5 focused on production AI. I’m hands-on across architecture, engineering, AI and integration, taking complex problems from idea to reliable production systems. Recent production work: → RAG platform processing 1M+ documents → AI accounting platform processing 100K+ invoices → Fraud detection for KSA fintech, 70% loss reduction / 100K txns/month → LLM knowledge assistant deployed across 5 enterprises → Voice AI solutions using Whisper (OpenAI) and MMS (Meta) → EU payments and fintech platforms AI: RAG · LLMs · Agents · Document AI · OCR · HITL · Computer Vision · Voice AI (Whisper, MMS) Fintech: Payments · Fraud · KYC/AML · Credit · Open Banking · PSD2 Stack: Python · PyTorch · FastAPI · LangGraph · React/Next.js · PostgreSQL · Docker · Cloud Especially useful when you have an existing product, codebase or prototype that needs to become production-ready without unnecessary rebuilding. Also available for CTO engagements, architecture reviews, technical due diligence and helping founders turn an early product into a scalable technology platform. EU-based · Available immediately.