Orhan A.

🚀 Top 1% freelancer | 📈 Upwork Expert-Vetted | 🚀 Top Rated Plus Freelancer Chief AI Scientist | Chief Technology Officer. Specializing in; LLMs | Generative AI | Chatbot development | extracting structured data,| Data analysis | Computer Vision | Production-Ready integrated AI Solutions, hands-on production expertise & speedy MVP building. Part of Top 1%; part of the UpWork's Expert-Vetted and Top Rated Plus programs. Specializing in Large Language Models (LLMs), Generative AI, deployment of AI systems. My deep expertise spans NLP, computer vision, and medical imaging, with extensive experience taking AI models from concept to full-scale production. Trusted in high-stakes environments, my AI systems have been used more than 100 million times in production and include multiple FDA-cleared products for healthcare applications. Key Strengths and Skills: ✅ LLM & Generative AI Expertise: Skilled in developing custom LLM applications using ChatGPT, Llama, Mistral, Zephyr, and the Codellama family of models, tailored for domain-specific tasks and delivering high-performance solutions. ✅ Prompt Engineering & Model Optimization: Proficient in fine-tuning LLMs and applying cutting-edge techniques for prompt engineering and model deployment across cloud environments. ✅ Production-Ready AI Solutions: Hands-on experience deploying models to production with tools like Docker, Flask, Cloud Functions, Cloud Run, and HuggingFace inference endpoints. ✅ Audio-to-Text & STT Models: Expertise in leveraging models like Assembly AI and Whisper AI for speech-to-text (STT) tasks, powering real-time transcription and analysis systems. ✅ RAG-Based Chatbots: Built RAG-based chatbots using tools like Pinecone, Chroma DB, vector DBs, and structured text extraction with ChatGPT and OCR technologies, providing intelligent document search and retrieval capabilities. ✅ Generative AI: Developed advanced generative models across multiple data modalities, enhancing applications in industries ranging from healthcare to finance. ✅ Cloud & MLOps: Comprehensive experience deploying models to GCP, AWS, Docker, and managing AI pipelines with Predibase, Llamini, NVIDIA endpoints, and more. Computer Vision & FDA-Cleared Medical Imaging: ✅ Computer Vision Expertise: Developed and deployed aorta segmentation models for Siemens, which were patented and implemented in real-time clinical applications. ✅ FDA-Cleared AI Solutions: Led the development of two FDA-cleared medical imaging products for disease detection, driving regulatory success and setting industry benchmarks for AI in healthcare. Notable Projects and Accomplishments: 🏆 LLM & Chatbot Applications: Developed and deployed custom chatbots for healthcare and financial domains, enabling efficient, high-accuracy queries using RAG and LLM technologies. 🏆 100+ Million Production Usages: AI systems used in production environments more than 100 million times, with high reliability and transformative results. 🏆 FDA-Approved AI Solutions: Spearheaded the development of FDA-approved diagnostic tools, ensuring cutting-edge accuracy and compliance with healthcare regulations. 🏆 Generative AI Applications: Delivered high-performing generative AI models, driving innovation across diverse industries and scaling applications to meet growing demands. Thought Leadership and Mentorship: 💡 LLM & Generative AI Mentor: Led and mentored teams in developing LLM and AI-driven applications, sharing expertise in scaling and optimizing AI models for real-world use. 💡 Published Researcher: Authored multiple peer-reviewed publications in AI, medical diagnostics, and computer vision, contributing to cutting-edge advancements. Technical Proficiencies: LLMs & Inference Endpoints: ChatGPT, Llama, Mistral, Zephyr, Codellama family, HuggingFace, Predibase, Llamini, NVIDIA Tools & Frameworks: RAG, vector DB, Chroma DB, Pinecone, Assembly AI, Whisper AI, Google Gemini, OCR Cloud & MLOps: Docker, Flask, Cloud Function, Cloud Run, GCP, AWS, Predibase, Llamini Education: Ph.D. & M.S. in Applied & Computational Mathematics, Florida State University M.S. in Applied Mathematics, University of Massachusetts Amherst B.S. in Mathematics, Fatih University With a focus on cutting-edge LLMs, Generative AI, and FDA-cleared solutions, I am dedicated to delivering AI technologies that make an impact. Let’s collaborate and build the future of AI together!