Ishan Bhatt

Software Development Engineer

United States

About

Experience

  • Senior Software Engineer II at Instacart
    Sep 2025 - Present · 10 mos

  • Amazon (8 yrs 6 mos)
    • Software Development Engineer II
      Jul 2022 - Aug 2025 · 3 yrs 2 mos

      Led the architecture and launch of Microgenres in 5 countries, enhancing content discovery for 250M+ customers using GenAI (Claude, Llama, OpenAI) tools and prompt engineering and evaluation. Developing and optimizing highly scalable, low-latency distributed microservices in Java and Python, powering carousels on the Prime Video homepage. Data-driven leader & active mentor, fostering technical excellence and team growth.

    • Software Development Engineer II
      Mar 2021 - Jul 2022 · 1 yr 5 mos

      Designed and implemented a job queuing system for long-running SageMaker jobs, saving 24+ hours of developer time daily for internal and external customers. Architected a PyTorch-based deep learning library to optimize data processing throughput, enabling efficient horizontal scaling across training clusters.

    • Software Development Engineer II
      Oct 2018 - Feb 2021 · 2 yrs 5 mos

      Led the design, implementation, and launch of SageMaker Debugger headless mode in training jobs, a key feature showcased in the re:Invent 2019 keynote. Designed SageMaker Wrangler headless mode and guided its implementation through active mentorship, contributing to the re:Invent 2020 launch. Spearheaded the expansion of the SageMaker training stack to 7 regions.

  • Software Developer at Epic
    Oct 2015 - Jan 2017 · 1 yr 4 mos

    Willow Ambulatory

  • Research Intern at National Tsing Hua University
    May 2013 - Jul 2013 · 3 mos

    Scientific Computation.