Job Title
Founding Engineer
Salary
£160k + 1%-5% Equity
Company Description
VC-backed consumer AI startup
Job Description
Join as the founding engineer building the core personal memory engine for AI. You will own the infrastructure end-to-end, creating a local-first, encrypted system that lets AI learn and compound context for users. This is a rare opportunity to rebuild an engine from the ground up and transition into a co-founder role at a high-growth startup.
Location
London, UK
Why this role is remarkable
- Direct path to a Co-founder title and equity based on shipping milestones and performance.
- Backed by top-tier VCs with a founding team from high-profile consumer success stories.
- Ownership of a trillion-dollar category's core infrastructure, building a privacy-first personal memory layer.
What You Will Do
- Architect and build the 2.0 memory engine from scratch using Go for storage, enrichment, and retrieval.
- Design local-first, encrypted storage models to ensure user privacy is a core product feature.
- Optimize system performance for millisecond retrieval of complex, associative context under high real-world loads.
The ideal candidate
- Extensive experience writing production-grade Go systems at scale with a focus on high-performance infrastructure.
- Deep expertise in embedded databases, vector/graph stores, and zero-knowledge cryptographic design.
- A "builder" mindset with a history of shipping entire systems in days rather than long sprints.
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Founding Engineer (£160k + 1-5% Equity) at VC-backed consumer AI startup in London employer: Jack & Jill
Phanes Neurotechnology is an exceptional employer, offering a unique opportunity to shape the future of neurotechnology research in a vibrant London setting. With a commitment to rigorous scientific standards and a culture that values integrity and collaboration, employees are encouraged to grow professionally while contributing to meaningful advancements in healthcare. The company fosters an environment where innovative thinking thrives, providing access to cutting-edge resources and partnerships with leading clinical experts.
