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Portfolio Jobs

Looking for your next role? Take a look at these exciting jobs at Sapphire Ventures’ portfolio companies. Our Talent team is passionate about connecting you to your dream job!

Senior Machine Learning Engineer

Supio

Supio

Software Engineering
San Francisco, CA, USA
USD 155k-220k / year + Equity
Posted on Apr 23, 2025

About Us

Supio is an AI platform purpose-built for law firms, reshaping how data drives impactful outcomes. Our innovative approach blends technology with deep legal expertise, making us a leader in our field. We go beyond surface-level AI to deeply understand our customers’ daily needs, empowering law firms with unparalleled data insights. Supio delivers human-level accurate analysis of complex data and legal records, quickly and efficiently bringing critical insights when they matter most. Trusted by top litigation lawyers, our platform has supported over $1 billion in settlements, even in courtrooms.

Does this sound like you?

We're seeking a Senior Machine Learning Engineer to drive and scale the validation of our AI systems. You'll lead a team of applied scientists while staying hands-on, building the measurement frameworks and experimental approaches that ensure our AI systems deliver reliable results.

In this role you will:

  • Design, build, and deploy ML systems that power core product features—from prototype to production.
  • Work across the stack to integrate models into scalable and maintainable infrastructure.
  • Conduct rigorous experimentation, data analysis, and performance evaluation to drive improvements.
  • Collaborate closely with product, design, and engineering teams to align technical solutions with business goals.
  • Mentor junior engineers and help establish best practices for our ML development lifecycle.
  • Own projects end-to-end in a fast-paced, agile environment—wearing multiple hats when necessary.
  • Stay up-to-date with research and emerging techniques to inform our ML roadmap.

Qualifications:

  • Expertise in Machine Learning algorithms and LLM architectures
  • Experience with developing, fine-tuning, and deploying LLMs and other advanced ML models in production environments.
  • Experience with cloud-based platforms and ML infrastructure (e.g., AWS, GCP, Azure) to scale model development and deployment.
  • Strong communication skills to explain complex ML and LLM concepts to non-technical stakeholders and influence decision-making at the leadership level.

Nice-to-haves:

  • Experience producing and working with AI-driven or data-heavy platforms.
  • Familiarity with legal technology or products in the legal industry.
  • Previous experience in fast-paced startup environments or building products from the ground up.

Why Join Us?

Supio is a Series-A startup and by joining, you will be a vital contributor to our success. Your ideas and efforts will directly shape our products, company culture, and long-term vision. We’re scaling quickly, which gives many opportunities for both company and career growth as we expand our market presence and develop new features and services.

Compensation:

Salary Range: The salary range for the SF Bay Area is $155,000-220,000 annually plus equity, with the potential for variation based on qualifications and skills.

Benefits & Perks:

Supio offers a benefits package and perks that include:

  • Excellent medical, dental, and vision insurance
  • 401k
  • Flexible paid time off (PTO) with company-paid holidays
  • In-office perks including transportation subsidies, snacks & beverages, and more!