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Lead AI Engineer

AI Talent Now


Job Location:

San Francisco, CA - USA

Monthly Salary: USD 250000 - 250000
Experience Required: 5years
Posted: 27 May 2026 (30+ days ago)
Application Deadline: 24 August 2026
Vacancies: 1 Vacancy
The job posting is outdated and position may be filled

Job Summary


Hybrid role


As an AI Lead at Weaver AI you will be at the forefront of integrating AI capabilities into our cutting-edge design tool. Your primary focus will be on fine-tuning models to ensure we have the fastest most cost-effective and highest accuracy AI features. You will be responsible for setting up the LLM architecture ensuring low latency and managing our AI infrastructure.

Day-to-Day Responsibilities:

  • Fine-tune AI models for specific use cases to optimize performance and accuracy.

  • Collaborate closely with the engineering team to integrate AI models into the product.

  • Evaluate and benchmark models ensuring they meet our latency and accuracy standards.

  • Set up and manage infrastructure to support efficient AI model deployment.

  • Work on model evaluation benchmarking and observability to ensure robust performance.

  • Stay updated with the latest advancements in AI to continually refine our approach.

Seniority

5 - 10 years of experience in machine learning applied scientist or adjacent roles fine tuning models at tech companies


Work experience

Hands-on experience fine-tuning models specifically for coding and code generation use cases


OR


fine-tuned models using execution-based feedback (pass/fail signals from running code or tests)

Updated

Experience building Small Language Models (SLMs)


Owned AI architecture and technical direction for a product


Education

Undergrad in CS


Hard skills

Manage latency and setup infrastructure for low-latency high-accuracy AI model usage


Strong proficiency in TypeScript/ and Python


Experience with fine-tuning techniques like LoRA or distillation


Soft skills

Ability to own systems end-to-end and lead execution


Company Overview
  • Building a native design tool where code is the core differentiator.
  • Focus on AI features to improve efficiency and accuracy in the platform.

Role Requirements
  • Experience in research and fine-tuning AI models plus applied experience.
  • Focus on model fine-tuning evaluation and infrastructure setup for low latency and high accuracy.

Candidate Requirements
  • 5 years of experience senior-level engineer with AI focus.
  • Strong proficiency in TypeScript Node and Python.

Team Structure
  • This role reports to the CTO and collaborates closely with the engineering team.

Compensation and Logistics
  • Salary range: $275k to $350k with some flexibility.
  • Hybrid role based in the Bay Area no visa sponsorship.

Timeline and Urgency
  • Position to be filled as soon as possible.
  • Interview process includes initial screening technical interviews and a take-home assignment.

Pain Points
  • Lack of fine-tuned efficient models impacting product experience.
  • Need to establish internal AI infrastructure for better control and efficiency.

Ideal Candidate Profile
  • Someone who has managed AI model fine-tuning and infrastructure setup.
  • Background in applied AI roles possibly from growth-stage companies or startups.


Benefits
Meaningful stock options


Required Skills:

2 years of experience in software SaaS or IoT system implementation. Strong understanding of project coordination resource scheduling and implementation processes. Familiarity with IoT devices APIs and network connectivity preferred. Exceptional attention to detail communication and time management skills. Ability to manage multiple active implementations in a fast-paced environment.


Required Education:

Bachelors degree in Information Systems Project Management or related discipline