Backend Engineer — AI Platform, Equity, SF

Jack & Jill; San Francisco (CA); On-site; USD 120,000 - 160,000; Full time

Job summary

Jack & Jill in San Francisco is seeking a Backend Engineer to build core infrastructure powering AI agents for churn prevention. You’ll design robust APIs, architect databases, and integrate third-party platforms. You’ll work closely with founders in an in-person, fast-paced environment to shape the product and engineering culture.

The role emphasizes ownership, strong server-side performance, and delivering production-ready systems with high reliability in a lean, VC-backed startup.

Qualifications

• Strong server-side development and performance fundamentals.
• Experience designing robust APIs and managing databases.
• Proactive owner mindset with ability to ship high-quality code quickly.

Responsibilities

• Design and maintain core infrastructure, including APIs and database schemas.
• Build and manage integrations with third-party platforms for data flow.
• Collaborate with founders to architect scalable systems and define the technical roadmap.

Skills

Backend development

APIs & databases

Owner mindset

Job description

Jack & Jill in San Francisco is seeking a Backend Engineer to build core infrastructure powering AI agents for churn prevention. You’ll design robust APIs, architect databases, and integrate third-party platforms. You’ll work closely with founders in an in-person, fast-paced environment to shape the product and engineering culture.

The role emphasizes ownership, strong server-side performance, and delivering production-ready systems with high reliability in a lean, VC-backed startup.