Senior Software Engineer (FinTech): AI & End-to-End Automation

Jack & Jill/External ATS; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A well-funded fintech startup in London is seeking a Mid/Senior Software Engineer. In this role, you will join an agile team to build intelligent tools for investors. Your responsibilities include end-to-end feature development across a React and Node stack and the opportunity to influence platform architecture. Ideal candidates should have over 5 years of experience in web development focusing on React and TypeScript, with a strong curiosity for AI automation.

Benefits

Flexible work environment

Participation in equity options

Qualifications

• 5+ years of professional experience building production web applications.
• Ability to own features end-to-end, from data modeling to user experiences.
• Curiosity for AI automation and experience with code-assist tools.

Responsibilities

• Build and scale core product features using React, TypeScript, Node, and AWS.
• Collaborate with founders to define product direction and navigate trade-offs.
• Design AI-driven systems to automate financial workflows and reporting.

Skills

React

TypeScript

Node

AWS

SQL (Postgres)

AI automation

Job description

A well-funded fintech startup in London is seeking a Mid/Senior Software Engineer. In this role, you will join an agile team to build intelligent tools for investors. Your responsibilities include end-to-end feature development across a React and Node stack and the opportunity to influence platform architecture. Ideal candidates should have over 5 years of experience in web development focusing on React and TypeScript, with a strong curiosity for AI automation.