H

Senior AI Engineer – LLMs & Backend Systems

Heaven and Hire Recruiting
Full-time
On-site
San Francisco
$200,000 - $200,000 USD yearly
Overview

Job Title:

Founding AI Engineer Location:

San Francisco, CA (On-site; relocation assistance available) Compensation:

$200,000–$400,000 + 0.5%–3% equity Visa:

Sponsorship available for most types

About the Role

We’re hiring a

Founding AI Engineer

to join our startup’s core team. We are seeking a

Founding AI Engineer

to help design, build, and launch a multi-agent AI system that will redefine the future of talent evaluation. You’ll join at a pivotal growth stage — our AI-powered platform already serves millions of users and generates strong recurring revenue. This is an opportunity to make a

massive impact

on both the product and company trajectory from day one. We’re looking for a

builder at heart

who thrives in fast-moving environments, takes ownership, and can ship production-ready AI products. You should be equally skilled at architecting large-scale backend systems, fine-tuning LLM-driven workflows, and delivering features that impact millions of users.

Key Responsibilities

Build and scale production AI agents and workflows from

0 → 1 . Architect large-scale backend systems using

Python

and

TypeScript . Ship high-impact features quickly, with full ownership of your work. Leverage AI coding tools (e.g.,

Cursor ,

Cloud Code ) to accelerate delivery. Collaborate directly with founders to shape technical and product direction.

Requirements

2–8 years

of software engineering experience, including shipped large-scale

LLM/agent systems . Experience as a

founder, founding engineer, or early engineer

at a Seed–Series B startup. Some large-tech experience working on complex, scalable systems. Strong skills in

Python, TypeScript, infrastructure , and

LLM/agent system design . Strong communication skills to explain technical trade-offs. Proven

builder DNA

— hackathon wins, notable open-source contributions, or personal projects.

Preferred Qualifications

Degree in Computer Science, AI, or a related technical field from a

top-tier institution . Track record of successfully delivering products at scale in AI or related fields. Demonstrated experience using AI developer tools to enhance productivity.

Benefits

Competitive base salary ($200k–$400k) +

generous equity

(0.5%–3%). Visa sponsorship available for most types. Relocation assistance to San Francisco. Opportunity to define technical strategy and shape a product used by millions. Work in a high-growth, venture-backed environment with a culture of rapid innovation.

Apply

Apply today by filling out the application. Please contact

Imani Tolbér

at

tolbert@heavenandhire.com

for immediate consideration.

Job Type:

Full-time Pay:

$200,000.00 - $400,000.00 per year

Benefits (Additional)

401(k) Dental insurance Flexible schedule Health insurance Paid time off Vision insurance

Education

Bachelor's (Required)

Experience

software engineering: 2 years (Required) Python: 2 years (Required) TypeScript: 2 years (Required) System design: 2 years (Required)

Ability to Commute

San Francisco, CA 94114 (Required)

Ability to Relocate

San Francisco, CA 94114: Relocate before starting work (Required)

Work Location

In person

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