Backend Python Engineer — AI-Driven Market Intelligence (Hybrid)

Prism Digital; Greater London; Hybrid; GBP 60,000 - 90,000; Full time

Benefits offered by this job

Salary review every Q1

No overtime culture

Casual dress, free tea and coffee, and

Job summary

Prism Digital in London is seeking a Backend Python Engineer to develop robust APIs and data pipelines. You will work closely with co-founders and a small team, shaping how AI is used across the product and how clients connect via APIs.

The role is backend-focused, using Python, PostgreSQL, and LLMs, with three days per week in central London. You’ll contribute to trading-focused features for enterprise clients and help evolve tooling and processes.

Qualifications

• Commercial backend Python experience (6 months–2 years).
• Experience designing, building and consuming APIs.
• PostgreSQL data modelling and SQL.
• Experience with LLM APIs (Claude/OpenAI) in production or personal projects.
• Experience with AI coding tools (Claude Code, Cursor).
• Willing to propose tooling and process improvements.
• Keen to learn and accept feedback from senior engineers.

Responsibilities

• Build APIs that clients plug into and own the integration.
• Develop data pipelines and manage data in AWS.
• Collaborate with full-stack engineers on React-based frontend work.

Skills

Python

APIs

LLM APIs

AI tools

Tooling ideas

Learning mindset

Education

Computer science / maths / sciences

Tools

PostgreSQL

AWS

React

Job description

Prism Digital in London is seeking a Backend Python Engineer to develop robust APIs and data pipelines. You will work closely with co-founders and a small team, shaping how AI is used across the product and how clients connect via APIs.

The role is backend-focused, using Python, PostgreSQL, and LLMs, with three days per week in central London. You’ll contribute to trading-focused features for enterprise clients and help evolve tooling and processes.