Founding Engineer — AI-Driven Trading Infra

River Markets (YC P26); San Francisco (CA); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

Equity (0.5%–1.5%)

Platinum health insurance (100% premium coverage)

Unlimited PTO

Food provided in office

Dog-friendly office

Fresh fruits and snacks

Monthly team building activity

401(k) match fully vested

Job summary

River Markets (YC P26) is looking for a strong engineer to build and maintain trading infrastructure in San Francisco. The role emphasizes ownership, speed, and innovative use of AI in development processes.

You will work on connecting exchanges and enhancing system reliability while following a culture that values small teams and high accountability.

Equity, health insurance, and unlimited PTO are offered in a dog-friendly office with snacks from local markets.

Qualifications

• At least 2 years of experience in Software Engineering or similar role.
• Experience designing, shipping, and maintaining production systems.
• Comfortable across the software stack with backend services and data pipelines.

Responsibilities

• Build and maintain systems behind order book and execution stack.
• Integrate with external exchanges and APIs.
• Write high-quality, testable code.

Skills

Automation

System design

API design

Data modeling

Production systems experience

Tools

Python

Go

Rust

Job description

River Markets (YC P26) is looking for a strong engineer to build and maintain trading infrastructure in San Francisco. The role emphasizes ownership, speed, and innovative use of AI in development processes.

You will work on connecting exchanges and enhancing system reliability while following a culture that values small teams and high accountability.

Equity, health insurance, and unlimited PTO are offered in a dog-friendly office with snacks from local markets.