Python Software Engineer (Fintech, AI)

TL;DR

Python Software Engineer (Fintech, AI): Designing and developing Python-based backend systems and APIs for an AI-driven financial technology platform with an accent on ensuring production-readiness of AI-assisted code, embedding LLM-powered features, and architectural decisions. Focus on scaling backend systems, operationalizing AI capabilities, and collaborating across cross-functional teams in a fast-moving startup environment.

Location: London, UK (hybrid, remote-first model with limited, planned office time)

Salary: £120,000 + bonus

Company

A rapidly scaling fintech unicorn building AI-driven financial technology products.

What you will do

• Design, develop, and maintain Python-based backend systems, APIs, and services.
• Ensure auto-generated and AI-assisted code is production-ready, secure, and maintainable.
• Embed and operationalize AI-driven capabilities, including LLM-powered features, monitoring, and evaluation.
• Collaborate across cross-functional teams while promoting best practices in modern, AI-assisted software engineering.

Requirements

• Strong commercial experience as a Python Software Engineer, with a focus on APIs and backend systems.
• Familiarity with agentic AI tooling or strong interest in AI-driven development.
• Proactive mindset and enthusiasm for adopting new technologies.
• An entrepreneurial, self-starting attitude suited to a fast-moving startup environment.

Culture & Benefits

• Significant technical ownership and influence over system design.
• Competitive salary with meaningful equity in a high-growth fintech.
• Remote-first working model with limited, planned office time.
• Rapid career progression in a scaling startup environment.
• Exposure to cutting-edge fintech and AI technologies.
• A highly collaborative, entrepreneurial engineering culture.