Founding AI Engineer

Posted Yesterday
Be an Early Applicant
7 Locations
Hybrid
140K-200K Annually
Entry level
Marketing Tech • Analytics
The Role
As a Founding AI Engineer, you will design and implement core AI infrastructure, fine-tune models, develop intelligent recommendation systems, and collaborate with the team to create insightful AI outputs while shaping the technical roadmap.
Summary Generated by Built In

This role is with a new AI-forward portfolio company of Menlo Ventures, currently in stealth.


We're on a mission to make data intelligent, beautiful, and accessible to everyone. Our founding team brings deep expertise in AI and software and has built products that millions love. We're pre-seed, with deep Silicon Valley roots and backed by tier-1 investors.


Role Overview


As our founding AI engineer, you'll partner closely with the founders to architect and implement our proprietary AI platform. You'll fine-tune and optimize foundation models, craft sophisticated multi-agent systems, and invent novel solutions to power the next generation of data intelligence.

What you'll do

  • Design and implement our core AI infrastructure, including model fine-tuning, fast decoding, and multi-agent architectures
  • Build intelligent recommendation systems that guide users toward more effective data analysis
  • Develop "fast update" capabilities enabling near real-time model responses to user modifications
  • Collaborate with the team to ensure AI outputs are both insightful and intuitive
  • Shape our technical roadmap and establish best practices for AI development

What you bring

  • Masters/PhD in Computer Science, Machine Learning, AI, or equivalent practical experience
  • Experience building and scaling 0->1 AI/ML systems in fast-paced environments
  • Strong experience training and fine-tuning large language models (e.g., GPT, LLaMA).Expertise in PyTorch, vLLM, and modern AI frameworks
  • Deep understanding of prompt engineering, NLP techniques, and generative modeling
  • Experience with multi-agent systems and distributed architectures
  • Proficiency in Python and modern development practices (CI/CD, containerization)
  • Working knowledge of JavaScript/Next.js is a plus
  • Proven ability to translate complex technical concepts into clear insights

Why join us

  • Define the future of human-AI collaboration in data intelligence
  • Work directly with founders to shape product strategy and technical direction
  • Join a small, passionate team backed by top-tier investors
  • Enjoy significant professional growth opportunities as we rapidly scale

Compensation and Benefits

  • Salary $140,000 – $200,000 per year based on experience and equity preference
  • Early stage equity based on cash compensation
  • Medical, Dental, Vision benefits

  • If you’re ready to define a new category of data intelligence where AI and humans collaborate seamlessly—let’s talk.

Top Skills

JavaScript
Python
PyTorch
The Company
HQ: Menlo Park, CA
76 Employees
On-site Workplace
Year Founded: 1976

What We Do

Menlo Ventures provides capital for seed through growth technology companies in the consumer and enterprise sectors. For decades, the firm’s market-driven research analysis has led to the identification of and successful exits in innovative technology markets. Notable research areas of investment include Mobile (Siri, Uber, TeleNav), Enterprise Storage (3PAR, Spinnaker Networks, Coraid), Communications (Acme Packet, Cavium Networks), and Consumer (Fab, Tumblr, Carbonite, Roku). Founded in 1976, Menlo’s portfolio includes 70 public companies and more than 100 mergers and acquisitions. Throughout the firm's history, Menlo’s deep network of portfolio entrepreneurs, angels and advisors are a key resource made available to all of our family of investments. Menlo Ventures has $4 billion under management and is currently investing Menlo Ventures XIV, a $450 million fund. For more information, visit www.menlovc.com.

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