Full-time

Principal Full Stack Engineer - Fintech

Posted by Client Server • London, England, United-Kingdom

📍 London, England 🕒 March 01, 2026

About the Role

Principal Full Stack Engineer (TypeScript Node React AWS) London / WFH to £110k

Are you a full stack technologist?

You could be progressing your career in a hands-on technical leadership role at a well established consumer facing financial services company that help people to manage debt, as they go through a technical transformation and scale-up following recent investment.

As a Principal Full Stack Engineer you will act as a technical authority and role model for engineers across engineering teams / Agile Squads, helping them with design, problem-solving and complex technical decisions. You'll lead and own technical transformation and architectural initiatives, in close collaboration with the Enterprise Architect, helping to shape and evolve the platform, services and system boundaries as the company scales whilst mentoring engineers and driving high standards of quality, security, reliability and operability across the stack.

Collaborating wit...

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