As a Principal Engineer, you will lead the greenfield development of a sophisticated agentic system for pension administration. You will be hands-on from day one, building core infrastructure from scratch with a heavy focus on enterprise-grade security. This role combines startup velocity with the technical complexity of modern agentic AI architectures.
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Principal Engineer at VC-backed fintech startup
Are you a hands-on technical leader ready to build the future of financial infrastructure? We are looking for a Principal Engineer to lead the greenfield development of an agentic pension administration system. This is a rare chance to architect a complex AI system from scratch with a focus on enterprise security and startup velocity. If you thrive in high-stakes environments and love building zero-to-one, this ~£200k role at a well-funded fintech startup is for you.
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Location
London, United Kingdom
Compensation
~£200k
Company
Confidential company
Role overview
About the company
VC-backed fintech AI startup
What you will do
- Architect and build an agentic pension administration system from scratch while remaining hands-on with code.
- Implement enterprise-level security protocols and robust architecture to handle sensitive financial data.
- Navigate the transition from zero-to-one development to scaling a complex AI-driven platform at high velocity.
Who this is a fit for
- Deep experience building and deploying agentic systems or complex AI-driven workflows.
- Strong background in enterprise-grade security and building scalable, secure cloud architectures.
- Proven track record of operating effectively in early-stage environments with a preference for hands-on building.
Why this role is remarkable
- Rare opportunity to lead a greenfield project building complex agentic systems from the ground up.
- Join a well-funded startup backed by top-tier VCs at a pivotal early-stage growth point.
- High-impact leadership role where you define the technical vision and security standards for an entire industry category.
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 Confidential company wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.