Amar Kumar

About Amar Kumar

Hello! I\'m Amar Kumar, a Lead Data Scientist with 6+ years of experience building production-ready AI and Generative AI solutions. I currently work on enterprise-scale GenAI systems for Microsoft (via Persistent Systems), focusing on LLM-powered chatbots, RAG pipelines, NL2SQL, and agentic workflows. 🤖 My core expertise lies in Azure OpenAI, Azure AI Search, embeddings, and LLM orchestration, where I design and develop systems for document transformation, meeting transcript intelligence, summarization, and conversational AI. I specialize in taking AI solutions beyond PoCs into scalable, reliable production deployments with strong focus on accuracy, performance, and observability. I bring strong hands-on development experience along with technical leadership - writing core code, reviewing designs, mentoring engineers, and working closely with stakeholders to translate business needs into high-impact AI solutions. I also have solid experience in ML/LLMOps, including prompt engineering, evaluation, monitoring, logging, and continuous improvement of LLM systems. I’ve delivered AI solutions across Azure and AWS, with a strong emphasis on enterprise readiness, scalability, and business value. Current Focus: Advancing Generative AI and working on challenging LLM-based problems to build real, production-grade AI systems: Kolkata, India | Open to opportunities in India and globally : https://kaggle.com/datawarriors : https://datahunger.blogspot.com

Experience

1. Lead Data Scientist

   Persistent Systems

   Jan 2025 — Present · Kolkata, IN

   Working as a Lead Data Scientist at Persistent Systems, delivering solutions for Microsoft. Actively involved in hands-on development, contributing to core features, integrations, and system components. Designing and implementing solutions aligned with Microsoft engineering standards and best practices. Collaborating closely with Microsoft stakeholders to understand requirements and translate them into working code. Leading technical discussions, design reviews, and implementation planning within the team. Mentoring engineers through code reviews, technical guidance, and problem-solving support. Ensuring solution quality, performance, and reliability across development and release cycles. Supporting delivery timelines while continuously improving development processes and documentation.

Education

• Dhanbad Public School, Dhanbad

  UG, Business/Commerce, General

  2011 — 2013

• Lovely Professional University

  Master of Computer Applications, Data Science

• Vinoba Bhave University

  Bachelor of Commerce - BCom, Accounting and Business/Management

  2013 — 2016