Dex
Founding Engineer | Head of Engineering
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The Role
This role is with one of Dex's trusted partner companies. We work closely with their teams to truly understand their culture, goals, and what they're looking for, so we can match you with the right opportunity and give you context about the role before you commit to a process.
If you're interested sign up to Dex to apply.
About the Company
Dex is an AI recruiter agent that helps you run your job search. Tell Dex your stack, seniority, and what you want to build. We will manage your applications and surface other opportunities that are a fit.
The Role Description
This team is building a new financial institution from first principles, purpose-built for the companies driving Europe's defence, security, and resilience buildout. A trillion-euro market is opening up, and the startups underpinning that shift are poorly served by traditional banks. This company exists to bank and finance them, backed by a highly selective accelerator.
As the first engineering hire, you will architect and build the core engineering stack from day one. This is full ownership: every technical decision, from architecture and infrastructure to security and product engineering. You will take the initial product from concept through production, working directly with the founder. This is hands-on building, not management. You will set the engineering bar and recruit the team around you.
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The Work
- Architect, build, and own the entire core banking platform from first principles.
- Design and implement highly secure, scalable, and regulated financial infrastructure.
- Drive all technical decisions across architecture, infrastructure, security, and product engineering.
- Translate ambitious product concepts into production-ready systems, ensuring data integrity and reliability.
- Establish the engineering culture and recruit the foundational team as the company scales.
What You Bring
- 5-12 years of engineering experience with deep expertise in backend systems, infrastructure, and production architecture.
- Proven track record building complex, highly regulated financial infrastructure (e.g., core banking, ledger systems, payments).
- Experience as a founding engineer, early hire, or senior engineer scaling a high-growth fintech or infrastructure company.
- Expertise in APIs, distributed systems, cloud infrastructure, data integrity, reliability, and security.
- London-based or willing to relocate, committed to in-person collaboration.
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Why Apply Through Dex
This is a rare founding role in a stealth company, not one you'll find by cold-applying. Dex helps you cut through the noise: get a proper brief, understand the full context, and apply directly to the founder. Skip the public application process and get matched to this and other high-impact roles.
If you're interested, sign up to Dex to apply - https://jobs.meetdex.ai/jobs/b23aa260-bde4-4fbe-b421-ff0fbc28873c
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