Founding Engineer
$120,000 - $200,000 + Strong Equity + Benefits + Free Meals
San Francisco, CA - Onsite (6 days/week)
Are you an engineer who loves solving complex, real-world problems directly with customers? Do you want to work hands-on building the agentic infrastructure that powers the trillion-dollar heavy machinery industry, whilst continuing to develop both your technical and product-ownership skillsets?
This is a rare opportunity to join an ambitious, high-growth AI startup at the heart of the industrial commerce ecosystem. Founded in 2025 and backed by YCombinator, the team is building an AI-native engine that allows equipment dealers and rental companies to automate their entire workflow, from 24/7 voice-agent lead intake to real-time fleet intelligence and CRM automation. they're off to a very strong start, working with top-tier OEM dealers for brands like CAT, John Deere, and Bobcat.
They are are looking for their first Founding Engineer: someone who thrives at the intersection of systems architecture, rapid product iteration, and real-world impact. You'll work closely with founders and customers to design, build, and deploy the platform while shaping the company's technical foundation from the ground up.
You'll report directly to the CTO and operate as a key technical owner, ensuring sub-second latency for voice agents, architecting multi-tenant infra, and building deep enterprise integrations. Expect total technical ownership, direct customer-facing influence, and the chance to build the foundation of a company redefining how the physical world operates.
If you want to join a tight-knit, high-caliber team where your code and product instincts both matter, whilst continuing to develop your skillsets.
The Role
Build and optimize a real-time voice pipeline, delivering sub-second response latency via WebSockets and audio streaming.
Ship production features across the full stack, including voice agents, workflow automation, and sophisticated memory architectures.
Architect and scale multi-tenant infrastructure and vector stores to handle data for thousands of global organizations.
Collaborate directly with customers on-site to identify pain points, onboard users, and iterate on the core product roadmap.
The Person
1-2+ years of experience building production-grade software with real backend depth.
Strong in TypeScript, , and PostgreSQL; experience with Go or systems-level networking is a major plus.
Hands-on problem solver who has worked with LLMs, tool use, and RAG beyond the tutorial stage.
Strong communicator who thrives in high-ambiguity environments without the need for PRDs or Jira tickets.
Ownership mentality - excited to work in a high-autonomy, 6-day-a-week founding culture.
Happy to work on-site in San Francisco and travel to meet customers in the field.
Rise Technical Recruitment Inc of 1011 Centre Rd, Suite 322, Wilmington, DE 19805 act as an employer-paid private personnel agency.
The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client.
We are an equal opportunities company and welcome applications from all suitable candidates.