Hi, I’m Heera Lal, a Senior Data Scientist and AI Engineer with experience building machine learning, GenAI, NLP, search, and recommendation systems for real-world business applications. Over the years, I’ve worked across data science, machine learning engineering, MLOps, and AI product development, helping organizations transform data into actionable insights and scalable AI solutions. My expertise includes Python, LLMs, Retrieval-Augmented Generation (RAG), vector databases, Elasticsearch, FastAPI, distributed AI systems, and cloud technologies. I enjoy mentoring professionals on career growth, machine learning interviews, AI engineering, system design, MLOps, and transitioning into data science and GenAI roles. Feel free to connect if you’d like guidance on AI careers, interview preparation, machine learning projects, GenAI architecture, or building production-grade AI systems.