As the first full-time hire, you will own the technical foundation of a platform turning personal networks into actionable career paths. You'll move beyond execution to drive product discovery, building complex graph algorithms and AI sequencing layers that help users navigate hidden job markets through their existing real-world connections.
Senior Software Engineer at Liminl — Pre-seed AI career platform
Join Liminl as the first full-time engineer and build the AI-powered relationship graph that unlocks the hidden job market. Working directly with a founder who scaled ecosystems to 4M+ users, you'll own the technical foundation of a pre-seed platform that turns 'who you know' into a clear career path. If you're a high-agency builder ready to move from features to full-scale architecture using Next.js, Node, and Neo4j in San Francisco, this is your 0→1 opportunity to shape the future of networking.
Overview
Why this role stands out
Company
Liminl - Pre-seed AI startup mapping the world's relationship graph
Responsibilities
What you will do
- Design and implement graph algorithms using Neo4j to visualize and navigate complex relationship data into actionable goals.
- Build and refine the AI sequencing layer that determines optimal outreach timing and personalized coaching for users.
- Own the full-stack development using React/Next.js, Node.js, and TypeScript, from high-level architecture to polished frontend onboarding flows.
Candidate profile
Who this is a fit for
- Proven track record of shipping consumer-facing products end-to-end, ideally as a founder or early engineer at a high-growth startup.
- Deep fluency in TypeScript and modern React/Next.js, with the ability to manage complex data models across PostgreSQL and Neo4j.
- High agency individual who thrives in ambiguity, values in-person collaboration in San Francisco, and prioritizes product-market fit over rigid processes.
What makes it remarkable
Why this role is remarkable
- Founding engineer status as the first full-time hire, inheriting a beta-stage codebase with total ownership over the future architectural roadmap.
- Build a category-defining product alongside a founder who previously scaled a creator ecosystem from 2,000 to 4 million users.
- Direct impact on solving the "hidden job market" problem by engineering sophisticated relationship graphs and conversational AI interfaces.
Jack & Jill
How Jack & Jill work together
About Jack & Jill
Meet Jack
Jack gets to know what you are great at, what you want next, and makes sure Jill considers you for the right opportunities.
How does this work?
Jack's an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack's network.
If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.