Founding Product Engineer

About the Role

Join an early-stage B2B SaaS team building a product that brings sales engagement, AI agents, and go-to-market data into one streamlined experience. You will work closely with the founders and help shape core customer-facing workflows, shipping improvements to production regularly.

What You'll Do

• Build and improve the sequence and enrollment system, including personalization, multiple senders, and conditional workflows.

• Develop AI agent experiences for research, drafting, and user-directed enrollment.

• Create evaluation and observability tools that help customers understand and trust AI-driven workflows.

• Take existing features through refinement, testing, and production-ready delivery.

• Work directly with customers in real-time communication channels, turning feedback into product improvements.

• Collaborate with founders on product direction and make interaction and usability improvements across the product.

What We're Looking For

• Three to four years of experience building and shipping production software at early-stage startups.

• Full-stack experience with Next.js, React, Python, and FastAPI.

• Experience owning customer-facing features from interface through backend implementation and deployment.

• Experience with Supabase or a similar backend-as-a-service platform.

• A degree or equivalent professional background in computer science, data science, industrial engineering, or operations.

• Comfort working directly with customers and translating their feedback into product decisions.

• Side projects, open-source work, or other examples of rapid iteration and practical Python problem-solving are a plus.

Compensation & Benefits

Base salary: $150,000 to $230,000 annually. Visa sponsorship is not available.

Location

On-site in San Francisco, California.