Founding AI Engineer: Long-Horizon Agent Architect

Rnb Consultancy; San Francisco (CA); On-site; USD 250,000 - 500,000; Full time

Benefits offered by this job

Equity 1–5%

Visa sponsorship (O-1)

Founding-level ownership

In-person in San Francisco

High-ownership culture

Job summary

Rnb Consultancy in San Francisco is building an AI lab and hiring founding-level engineers to own end-to-end product areas, UI, agent workflows, and infra. You will help turn frontier model capabilities into production-ready products, learn user workflows, and ship iterations quickly.

The team offers equity (1–5%), visa sponsorship available (O-1), and an intense, high-ownership environment. Full-time, in person in San Francisco, 9-9-6, with a rigorous and fast-paced culture designed for

Qualifications

• World-class engineering skills with strong product sense.
• Track record of shipping products people love.
• Ability to turn new model capabilities into useful products.
• Broad range across product, engineering, models and infra.
• Proven ownership: started a company or delivered frontier-tech work.
• 3–6 years in the field; exceptional senior leads welcome.
• High agency, high speed; founder mindset.

Responsibilities

• Own whole product areas from zero to one, end to end.
• Own the surface where users hand complex outcomes to agents and stay in control.
• Full stack scope: UI, agent workflows, model orchestration and infra.
• Turn frontier-model capabilities into production-ready products for real users.
• Spend time with users to learn workflows and ship iterations quickly.
• Shape product, architecture and culture as one of the first engineers.

Skills

World-class engineering

Product shipping

Owner mindset

Model-to-product translation

Cross-functional range

Fast iteration

Job description

Rnb Consultancy in San Francisco is building an AI lab and hiring founding-level engineers to own end-to-end product areas, UI, agent workflows, and infra. You will help turn frontier model capabilities into production-ready products, learn user workflows, and ship iterations quickly.

The team offers equity (1–5%), visa sponsorship available (O-1), and an intense, high-ownership environment. Full-time, in person in San Francisco, 9-9-6, with a rigorous and fast-paced culture designed for