Jack & Jill · 1 day ago
Senior Product Engineer
San Francisco, CA
Full-time
Hybrid
Senior Level
$160K/yr - $250K/yrJack & Jill is a Series B AI human simulation lab pioneering the future of human computing through real-time AI simulation. As a Senior Product Engineer, you will drive the platform from 0→1, balancing elegant frontend craft with robust backend systems, while working closely with leadership to shape intuitive interfaces that bridge the gap between people and machines.
Computer Software
Responsibilities
Lead the development of platform features using React, owning the lifecycle from initial ideation and architecture to production launch
Collaborate across design and research teams to define product direction, prioritizing features that enhance user empathy and interaction
Maintain a high bar for performance and design, spending the majority of your time on polished frontend experiences and supporting backend integrations
Qualification
Required
Proven track record of building and shipping consumer-facing products from scratch, preferably within high-growth startup environments
Exceptional design sensibility and a 'product-first' mindset, with the ability to defend technical decisions that impact the user experience
Advanced communication skills and a senior mentality, capable of navigating ambiguity while setting clear technical directions for the engineering team
Company
Jack & Jill
Ok, I'll go first. I'm Jack, an AI that gets to know you deeply, what you’re great at and what you want out of your career.
Founded in 2025
2-10 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase