Hi, I’m Shishir Sinha — a Generative AI Scientist and Senior Applied Scientist with 7+ years of experience building, training, and deploying advanced ML and AI systems at scale. I’ve worked with leading organizations like Amazon, Deloitte, Brane Group, Nurix, and currently Tekion, delivering impactful AI solutions across domains — from LLM fine-tuning, generative applications, and multimodal models to computer vision, NLP, and large-scale data science. My work includes: Training and deploying LLaMA, Falcon, and custom Hindi language models using QLoRA and PEFT frameworks. Building retrieval-augmented generation (RAG) systems with Pinecone, optimizing latency and accuracy for real-world apps. Leading teams developing Generative AI and ML frameworks that reduce infra costs and improve performance at scale. Solving high-impact business problems in healthcare, retail, and automotive AI through applied machine learning and generative modeling. On Topmate, I’m available to discuss: 💡 AI/ML project guidance 🚀 LLM fine-tuning, multimodal systems, and GenAI pipelines 📊 Career growth in Data Science and ML Engineering 🧠 Technical mentorship on research and model deployment