Member of Technical Staff (Founding Engineer)

Role Overview

Join a small team of engineers building foundational infrastructure for AI-native commerce. Work directly with experienced founders to shape architecture, product direction, and engineering culture. Collaborate on building scalable systems for structured product data ingestion and transformation, and develop agentic APIs used by frontier AI models and applications.

What You Will Do

Build backend infrastructure powering AI-native commerce systems, design and ship production APIs, retrieval systems, search infrastructure, and data pipelines. Develop embeddings pipelines, vector search architectures, recommendation systems, and information retrieval infrastructure. Own projects end-to-end from architecture and design through deployment and iteration.

Why It Might Be a Fit

Ideal candidate has 1-5 years of software engineering experience, strong backend engineering fundamentals, and experience building production-grade APIs and distributed systems. Strong interest in AI-native products and infrastructure, and experience using AI coding tools such as Cursor, Copilot, Claude Code, or similar.

Requirements

• 1–5 years of software engineering experience
• Experience building backend systems, APIs, data pipelines, or infrastructure products
• Experience shipping 0-to-1 products used by real customers
• Experience at startups or highly regarded technology companies
• Strong backend engineering fundamentals
• Experience building production-grade APIs and distributed systems
• Experience with search infrastructure, embeddings, retrieval systems, recommendation systems, or data platforms
• Strong interest in AI-native products and infrastructure
• Experience using AI coding tools such as Cursor, Copilot, Claude Code, or similar
• Bachelor's degree in Computer Science or related technical field
• Graduated from a strong technical university
• Strong ownership mentality and willingness to work directly with founders
• Comfortable operating in highly ambiguous startup environments
• Strong communication and collaboration skills
• Interest in entrepreneurship, startups, and building products from scratch
• Ability to work onsite in San Francisco five days per week

Benefits

• Base salary: $120,000 – $170,000
• Equity: 0.25% – 0.75%
• Visa sponsorship available
• Relocation assistance available
• Direct exposure to founders and company strategy
• Opportunity to shape engineering culture from the earliest stages
• High ownership and visibility across the organization
• Work alongside experienced founders from Square and Cash App
• Opportunity to help build foundational infrastructure for AI commerce
• Rapid learning environment with broad technical exposure
• Significant upside through equity ownership
• Fast-moving startup with strong market opportunity