As a Founding Engineer at Tribal Bio, you will work directly with the founders to build the technical foundation of an ambitious biotech infrastructure platform. You’ll architect agentic AI workflows, manage complex biomedical data, and ship production-grade software that solves real-world drug discovery challenges. This high-impact role offers significant ownership and a clear path toward technical leadership.
Founding Engineer at Tribal Bio
Tribal Bio is building the AI-native infrastructure layer for biotech, and they're looking for a Founding Engineer to join their London-based team. If you're a high-agency builder ready to own major parts of a product from day one and earn significant equity, this is your opportunity to shape the future of medicine through technology.
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Location
London, United Kingdom
Compensation
Not Disclosed
Company
Tribal Bio
Role overview
Tribal Bio is an AI-native biotech platform company building software to transform how biotech and pharma teams discover, evaluate, and progress drug assets.
The platform combines AI agents, biomedical data, clinical intelligence, and workflow automation to help search and evaluation, BD, clinical, regulatory, and CMC teams make faster, higher-confidence decisions.
What you will do
- Design and implement agentic AI workflows for drug discovery, clinical asset evaluation, and complex regulatory use cases.
- Build robust backend systems and data infrastructure to handle fragmented biomedical, scientific, and clinical information.
- Collaborate directly with founders and customers to prototype, iterate, and ship production-ready LLM-powered tools.
Who this is a fit for
- Exceptional hands-on builder with 0-5 years of experience shipping production software in high-ambiguity startup environments.
- Strong technical generalist proficient in full-stack or backend engineering with a focus on LLMs, agents, or AI workflows.
- High-agency individual who thrives on intensity, moves fast across the stack, and communicates clearly with founders and customers.
Why this role is remarkable
- Join as an early employee at a tier-1 VC-backed startup closing a $1.5M pre-seed round with top-tier SF investors.
- Directly impact the drug discovery process by building AI systems for one of the world’s most critical industries.
- Benefit from significant equity upside and a direct path to technical leadership or CTO-track roles as the company scales.
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.
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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 Tribal Bio wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.