As a founding engineer, you will build AI-powered tools that transform how attorneys and inventors navigate intellectual property. You'll own features end-to-end, from React/TypeScript frontends to Python backend APIs, making complex patent analysis accessible. This high-ownership role involves working directly with founders to shape the technical foundation of a venture-backed startup.
This job is no longer actively hiring. Talk to Jack to find live roles.
Founding Full-Stack Engineer at Invention Co
Join an elite founding team in San Jose building the future of intellectual property. Backed by General Catalyst, Neo, and SoftBank's Deepcore, this AI-powered startup is replacing manual patent research with intelligent automation. As a Founding Full-Stack Engineer, you'll earn a top-tier salary of $200k-$250k plus meaningful equity while owning the technical roadmap from React to Python. If you're a prolific builder who loves shipping high-impact features and wants to solve complex problems at the intersection of law and AI, this is your chance to shape a venture-backed company from the ground floor.
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This role is no longer actively hiring, but Jack can still help you discover similar open roles that fit.
Location
San Jose, United States
Compensation
$200k-$250k + Equity
Company
Invention Co
Role overview
AI patent intelligence platform backed by General Catalyst, Neo, and Deepcore
What you will do
- Ship full-stack features end-to-end, moving seamlessly from frontend UI in React to backend APIs in Python.
- Design and optimize APIs that connect user interfaces to complex AI/LLM models for real-time document analysis.
- Collaborate directly with the founding team to architect the core platform and production systems for patent intelligence.
Who this is a fit for
- Prolific builder with a history of shipping real products, side projects, or open-source contributions using TypeScript and React.
- Proficient in backend Python frameworks like Django, FastAPI, or Flask with experience managing production cloud environments.
- Entrepreneurial mindset comfortable with the ambiguity of an early-stage startup and a passion for tinkering with new technologies.
Why this role is remarkable
- Significant impact on a founding team with a strong runway, backed by elite investors including General Catalyst and SoftBank's Deepcore.
- High-agency environment where you define the product direction and engineering culture alongside patent attorneys and AI researchers.
- Meaningful equity stake and a competitive salary in a SOC 2 certified startup already serving real enterprise customers.
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
Meet Jack
What happens next?
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 your profile’s a match and Invention Co wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.