Founding Engineer - Co-Founder Path & Equity

Jack & Jill in London is seeking a Founding Engineer to own the core personal memory engine end-to-end. You will architect and ship a local-first, encrypted storage system that lets AI learn and retain context for users. This is a rare chance to progress toward a co-founder role at a high-growth startup.

You will drive infrastructure from scratch, work on embedded databases and cryptographic designs, and have opportunities for significant equity based on milestones and performance.