Senior Machine Learning Engineer Job at Harnham, Chicago, IL

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  • Harnham
  • Chicago, IL

Job Description

Senior Machine Learning Engineer – Conversational AI

📍 Location: Chicago, IL (Hybrid – 3 days onsite)

💰 Salary: $180–200K base + 15% bonus + equity

About the Opportunity

Harnham is partnering with a fast-growing AI technology company that is building a next-generation agentic voice platform for enterprise-scale customer engagement. This organization works with Fortune 50 businesses across healthcare, finance, and retail, and is backed by leading investors with over $25M in funding.

They are scaling rapidly and seeking an experienced Senior Machine Learning Engineer to join a high-performing team and help shape the future of conversational AI.

The Role

You’ll be responsible for fine-tuning and deploying advanced models for real-time voice applications, working on cutting-edge challenges in LLMs, speech technologies, and MLOps .

Key Responsibilities

  • Fine-tune and optimize large language models using LoRA, QLoRA, RLHF, and other advanced techniques
  • Deploy models into production environments with sub-second latency
  • Collaborate with engineering and product teams to deliver scalable solutions
  • Innovate with the latest research in conversational AI and speech technologies

What We’re Looking For

  • 5+ years of ML engineering experience (beyond academic projects)
  • Strong background in model fine-tuning and deployment
  • Experience with GPT-class models, LangChain/LangGraph, and prompt engineering
  • Bonus: Speech expertise (ASR/TTS) and MLOps experience

Why Apply?

  • Competitive compensation + bonus + equity
  • Work on industry-disrupting AI solutions
  • Collaborative culture with real impact
  • Relocation support and hybrid flexibility

Job Tags

Relocation package,

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