AI / LLM Software Engineer - onsite in San Francisco

A5 Talent Finders; San Francisco (CA); On-site; USD 175,000 - 225,000; Full time

Benefits offered by this job

Equity

Base salary between $175,000 and $225,

Job summary

A5 Talent Finders is seeking an AI/LLM Systems Software Engineer to join onsite in San Francisco. As a founding engineer, you'll design and build core systems from the ground up, shipping fast, reliable features across the stack.

You’ll lead architecture decisions, implement AI-driven workflows including prompt engineering and memory handling, and collaborate directly with the founders to shape product direction and engineering culture.

Qualifications

• Minimum 2 years of full-time software engineering experience.
• Experience with AI/LLM systems and architecture preferred.
• Ability to design architecture diagrams and integrations.

Responsibilities

• Design and build core systems from the ground up across the stack.
• Lead architectural decisions and promote coding standards.
• Implement AI-driven workflows including prompt engineering and memory handling.

Skills

AI/LLM systems

Software architecture

Cross-stack development

Job description

AI / LLM Software Engineer - onsite in San Francisco

Job Openings AI / LLM Software Engineer - onsite in San Francisco

About the job AI / LLM Software Engineer - onsite in San Francisco

AI/LLM Systems SoftwareEngineer

Location: San Francisco, CA
Work Type: In-person
Employment: Full-time
Experience Required: 2+ years
Salary Range: $175,000 - $225,000 per year
Visa Sponsorship: Not available

The Role

As a founding engineer, you'll design and build core systems from the ground up, working across the stack to ship fast, reliable features. You'll lead technical architecture decisions, implement AI-driven workflows including prompt engineering and memory handling, and collaborate directly with the founders to shape product direction and engineering culture. You'll have full ownership of major components and play a central role in setting the technical bar for the company.

What We're Looking For

• Minimum 2 years of full-time experience as a software engineer
• working knowledge ofAI/LLM systems and architecture
• Experience with architecture solutions, diagrams, and integrations
• Prior engineering experience at early-stage startups or exceptional tech companies
• Comfortable working across the stack and moving fast in ambiguous environments
• Able to take feedback, quickly adapt, and integrate into existing systems/architecture

What We Offer

• Equity
• Base salary between $175,000 and $225,000 depending on experience
• High ownership and autonomy in technical decision-making
• Direct impact on reducing clinician burnout and improving healthcare outcomes
• Small, high-trust team backed by top-tier investors