Prashant Arora

Sr AI/ML Engineer @Optum | Ex IBM

Noida, Uttar Pradesh, India

About

7+ years of translating complex healthcare data into actionable insights that drive business value. Collaborating with different teams to execute data science projects from problem definition to model deployment, with a focus on improving healthcare experience with significant outcomes.

Experience

  • Optum (Full-time · 7 yrs)
    • Senior AI/ML Engineer
      Oct 2025 - Present · 10 mos

    • Senior Data Scientist
      Mar 2024 - Oct 2025 · 1 yr 8 mos

      Developed and deployed AI-driven solutions to optimize operational efficiency and improve customer experience. Expertise in NLP, LLMs, and data augmentation techniques. Focused on building automated systems and ensuring responsible AI practices.

    • Data Scientist
      Apr 2021 - Feb 2024 · 2 yrs 11 mos

      Led the development and implementation of data-driven solutions to improve customer experience, with a focus on advanced call analytics. Developed a highly scalable platform for large-scale text analysis, utilizing NLP techniques, transformer models, and Apache Spark for distributed processing. Key contributions include: - Developed a multi-label text classification system for in-depth analysis. - Created a robust transcription pipeline using state-of-the-art STT models (e.g., OpenAI's Whisper), achieving ~11% WER - Worked on automating call summarization process using LLMs(fine-tuning) and prompt engineering to generate concise summaries

  • Associate System Engineer at IBM
    Apr 2018 - Aug 2019 · 1 yr 5 mos

    Responsible for the deployment, maintenance, and ongoing support of production applications. This included system administration, troubleshooting, performance optimization, and ensuring high availability.