Founding Tech Lead - Fintech Platform (London)

Dex; Greater London; On-site; GBP 120,000 - 180,000; Full time

Job summary

Dex is seeking a senior engineer to join the founding team in London as the CTO's right hand. You will shape the technical roadmap with the founders, own architecture, and ship production code end-to-end, often in the same afternoon.

This role requires direct interaction with customers and banking partners, and a hands-on leadership style in a high-velocity fintech environment. You will own features end-to-end across the full stack (TypeScript/Node.js), set engineering standards, and iterate on

Qualifications

• 7–10 years of full-stack engineering experience with TypeScript/Node.js.
• End-to-end product ownership experience from problem to production.
• Founder DNA or startup experience in high-velocity environments.

Responsibilities

• Partner with the CTO and founders to prioritize projects and shape the core product roadmap.
• Own features end to end across the full stack in TypeScript and Node.js.
• Engage directly with customers and banking partners to diagnose bottlenecks.
• Set engineering standards, QA, and iterate on live production workflows based on real customer feedback.

Skills

TypeScript/Node.js

End-to-end product ownership

Startup/Founders collaboration

London-based or visa sponsorship

Job description

Dex is seeking a senior engineer to join the founding team in London as the CTO's right hand. You will shape the technical roadmap with the founders, own architecture, and ship production code end-to-end, often in the same afternoon.

This role requires direct interaction with customers and banking partners, and a hands-on leadership style in a high-velocity fintech environment. You will own features end-to-end across the full stack (TypeScript/Node.js), set engineering standards, and iterate on