Founding AI Platform Engineer — Equity

Jack & Jill; Palo Alto (CA); On-site; USD 150,000 - 250,000; Full time

Job summary

Jack & Jill is recruiting a Founding Software Engineer in Palo Alto to design and build the core technical architecture for a new AI-native platform. You'll lead development across backend services, agentic workflows, and hardware integration, moving from ambiguous prototypes to reliable production systems.

This ground-floor opportunity lets you shape the product and the engineering culture, with strong ownership as a founding team member and guidance from serial founders in robotics, AI, and

Qualifications

• Proven track record shipping complex production systems.
• Strong fundamentals in software engineering and systems design.
• Experience with modern languages and AI toolchains.

Responsibilities

• Architect and implement core backend services, APIs, and data pipelines.
• Integrate advanced AI models and agentic workflows that reason over context.
• Collaborate with founders to translate customer needs into technical solutions.

Skills

Python

TypeScript

LLM infrastructure

Retrieval systems

Job description

Jack & Jill is recruiting a Founding Software Engineer in Palo Alto to design and build the core technical architecture for a new AI-native platform. You'll lead development across backend services, agentic workflows, and hardware integration, moving from ambiguous prototypes to reliable production systems.

This ground-floor opportunity lets you shape the product and the engineering culture, with strong ownership as a founding team member and guidance from serial founders in robotics, AI, and