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Harshal J Hirpara

Mid-level Machine Learning Engineer specializing in LLM alignment and applied reinforcement learning

QuinUniversity of Illinois ChicagoMountain View, CA3 Years ExperienceMid LevelWorks On-Site

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About

AI/LLM engineer who has shipped production systems end-to-end, including a note-taking product (Notey) combining audio/image capture, ASR, summarization, and a semantic chat agent over past notes. Also has applied ML experience in healthcare, collaborating directly with doctors to validate an EEG seizure-detection pipeline, and uses Kubernetes to optimize GPU usage for LLM training.

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Key Strengths

  • Built and deployed a multi-component AI note-taking app (audio+images, ASR, summarization, semantic Q&A)
  • Pragmatic debugging of ASR in noisy environments (switched from Whisper to AssemblyAI to improve robustness)
  • Sets up transcription evals/benchmarks to maintain quality and reliability
  • Production deployment with Docker and Fly.io
  • Kubernetes-based GPU scaling/optimization for LLM training workloads
  • Structured approach to model selection balancing context length, cross-vendor performance, and cost efficiency
  • Designs agent workflows with LangChain/LangGraph patterns (ReAct/Reflect) and evaluates with open-source tools/custom metrics
  • Effective collaboration with non-technical clinical stakeholders (weekly demos/validation with doctors for EEG seizure detection)

Reference Highlights

Strongly Recommended
  • Significant contributions as a founding engineer
  • Able to ship stable and scalable production features under startup constraints
  • Strong collaboration across teams
  • Clear and prompt communication
  • Breaks down complex technical ideas into simple terms
  • Adapts communication style to the audience
  • Good listener who asks the right questions
  • Effective in cross-functional meetings and presentations
  • Passion-driven
  • Comfortable in fast to medium paced environments
  • Improved output quality via custom search-augmented agent with tools
  • Strong reverse engineering and QA/testing ability
  • Potential/fit for team lead

Harshal's references speak for themselves. Let us connect you.

Experience

Founding EngineerQuin · Jun 2025 – Present
Graduate Research Assistant (LLM Alignment and RL Model Implementation)University of Illinois Chicago · Aug 2024 – May 2025part-time
Graduate Researcher Assistant (Machine Learning Engineering)UI Health · Oct 2023 – May 2025part-time
Machine Learning EngineerCactus Communications · Jun 2022 – Jul 2023

Education

University of Illinois Chicagomaster, Computer Science (2025)
Nirma Universitybachelor, Computer Science and Engineering (2023)

Awards

  • Certificate of Academic Excellence - Nirma University
  • Scholar Certificate - Nirma University
  • 1st place (n8n track) - AWS MCP Hackathon
  • 2nd place - AWS MCP Hackathon

Languages

English

Publications

5 publications

Large language models (LLMs)LLM alignment and preference optimization (RLHF/DPO)Reinforcement learning for healthcare and treatment planningEEG seizure detectionBattery health and capacity estimationText-in-image generation and diffusion models

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Harshal J HirparaMid-level Machine Learning Engineer specializing in LLM alignment and applied reinforcement learning