
Raja Sami
Expert AI OCR Engineer, PDF Automation, Chatbot Developer
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Portfólio
Experiência profissional
Senior AI/ML Engineer
Funsol Technology • Período integral
Mar 2025 - Jan 2026 • 10 mos
Developed and deployed 15+ custom AI chatbots with RAG (Retrieval-Augmented Generation) architecture, achieving 92% query accuracy and reducing customer response time by 75% Built enterprise-level voice AI assistant using Retell AI and Whisper, handling 10,000+ calls monthly with 87% customer satisfaction rate. Engineered multi-agent AI system using LangChain and GPT-4 that automated complex business workflows, saving clients 40+ hours per week. Implemented vector database solutions (Pinecone/Chroma) for semantic search functionality across 500,000+ document repositories. Created WhatsApp and Telegram chatbot integrations that increased customer engagement by 230% and converted 18% of interactions to sales.
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robhoosein

Canadá
Working with Raja was a fantastic experience. His attention to detail and expertise were invaluable in bringing this project to life. He offered insightful perspectives and provided the support needed to successfully build and plan everything out. I would gladly work with him again in the future.
Resposta do freelancer
sammanolakis
Cliente recorrente

Espanha
Excelent work!!! Raja was Very committed to the project and the result, that is perfect.
Resposta do freelancer
sammanolakis
Cliente recorrente

Espanha
Raja’s job is outstanding !! Highly recommended
Resposta do freelancer


