HartleyCo · 9 hours ago
AI Engineer
San Francisco Bay Area
Full-time
Onsite
Mid, Senior Level
$150K/yr - $225K/yrHartleyCo is an AI-first startup aiming to transform a $900B industry with high-performance AI agents. They are seeking a hands-on AI Platform Engineer to design and build the infrastructure of their platform, enabling efficient delivery of AI solutions.
Staffing & Recruiting
Hiring Manager
Josh Kelly
Responsibilities
Enhance their in-house AI Grid platform combining ETL pipelines with LLM orchestration
Build evaluation systems using human-annotated datasets for model fine-tuning (SFT/RL)
Develop ML models for reasoning engines, load balancing, and market-making systems
Architect robust data pipelines feeding multiple destinations (vector DBs, ML platforms, analytics systems)
Implement MCP servers to connect agents with tools and persistent memory
Create voice AI systems for outbound, follow-up, and customer service use cases
Integrate payment providers and financial systems directly into the platform
Work closely with forward deployed engineers to ensure business impact
Qualification
Required
Strong background in distributed systems, AI agents, and modern data engineering
Proven experience in both TypeScript/Node.js and Python
Track record building production ML infrastructure, ETL/ELT workflows, and orchestration systems
Experience with MCP protocols, vector DBs, and retrieval-augmented generation
Familiarity with voice AI architecture, payment integrations, and real-time processing systems
A bias toward action - you ship fast, iterate, and improve continuously
Benefits
Visa Sponsorship Available
Relocation assistance provided
Company
HartleyCo
Founded in 2019, HartleyCo is a boutique Technology and Finance Search Firm.
Founded in 2019
11-50 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase