Senior Python Engineer - FinTech Data & Sustainability

Runtime Group Ltd; Greater London; Hybrid; GBP 81,000 - 99,000; Full time

Job summary

Runtime Group Ltd in London is seeking a Senior Python Engineer to join our growing software house.

You will contribute to the design, development and delivery of scalable features, collaborating with data scientists, engineers and product managers in a fast-paced startup environment. You will own projects and deepen technical expertise while advancing sustainable, ROI-focused solutions.

Qualifications

• 1st class - 2:1 Degree in Comp Sci or STEM subject from a Top ranked University
• 1 - 3 years of experience in Python development
• Tech: Python, FastAPI, Pydantic, PostgreSQL, Numpy, Pandas, AWS
• Very strong software engineering principles

Responsibilities

• Contribute to design, development and delivery of scalable, high-impact features across our platform
• Work with experienced engineers, product managers and data scientists to build reliable systems that solve complex financial problems
• Take ownership of individual projects and grow in a fast-paced startup environment

Skills

Python

FastAPI

Pydantic

Data-driven

Education

Bachelor's degree in CS or STEM

Tools

PostgreSQL

Numpy

Pandas

AWS

Job description

Runtime Group Ltd in London is seeking a Senior Python Engineer to join our growing software house.

You will contribute to the design, development and delivery of scalable features, collaborating with data scientists, engineers and product managers in a fast-paced startup environment. You will own projects and deepen technical expertise while advancing sustainable, ROI-focused solutions.