Python Developer – Fintech PostgreSQL, TDD, Cordova

Overview

In this fintech-focused role you will design, develop and deploy Python-based backend services that power payments and social finance products. You will work within a tight Agile team, using microservices and TDD/BDD to deliver scalable solutions on AWS/Linux with PostgreSQL. The position blends backend strength with frontend exposure and a culture that values deep technical work, learning, and hackathon-driven innovation. You will help shape a modern tech stack alongside a group of passionate engineers in London.

Pay / Benefits

• tech spend budget (£2.5k)
• tech training budget (£2.5k)
• hackathons
• weekly fintech talks
• open technology culture
• calm, relaxed work atmosphere

Responsibilities

• design, develop and deploy Python-based backend services
• work with PostgreSQL to model and query data efficiently
• build and maintain microservices with an eye to avoiding API spaghetti
• apply TDD/BDD to deliver high-quality, tested software
• collaborate with cross-functional peers in an Agile environment
• keep up with evolving technologies and DevOps practices
• contribute to architecture decisions and problem solving
• participate in code reviews and knowledge sharing

Key requirements

• 1 year commercial Python experience
• PostgreSQL
• Algorithmic principles
• Potentially some functional programming
• Design Theory
• REST
• Frontend exposure (Angular or Node/JS)
• Chef or Puppet
• AWS or Cloud exposure
• Linux

• strong problem-solving
• collaborative mindset
• proactive learning
• Python
• PostgreSQL
• REST