Junior Python Developer

Knowledge Bank; Barnsley; On-site; GBP 30,000 - 40,000; Full time

Job summary

A UK fintech company is seeking a Junior Python Developer to join their award-winning team. You will be tasked with building, migrating, and maintaining backend services in Python, specifically utilizing FastAPI. This role involves contributing to software and product design, including the development of web apps and APIs. If you are passionate about clean, user-focused engineering and enjoy solving real problems, this could be your next career move.

Qualifications

• Experience in building backend services using Python, specifically with FastAPI.
• Ability to contribute to software and product design.
• Understanding of data flow, structure, and UI behavior.

Responsibilities

• Build, migrate and maintain backend services in Python.
• Contribute to software and product design.
• Work on web apps, APIs, PDF generation, and data processing.

Skills

Python

FastAPI

Web applications design

API development

Job description

Junior Python Developer

Looking to put your Python skills to work on an award-winning platform that thousands of professionals rely on every day?

Company Overview

We’re an established, award-winning UK fintech developing reliable, well-structured web-apps and APIs for professionals across the financial services industry. Our platform is widely used and plays a central role in daily workflows — the tools you help build will be seen, used, and relied on at scale.

We care about code quality, clarity, and usability. Every feature we release is designed with the end user in mind, and we take pride in building systems that are scalable, maintainable, and secure. You’ll join a small, capable team that values good architecture, practical UX thinking, and shipping work we’re proud of.

If you enjoy solving real problems with clean, focused engineering — this could be your next move.

What You'll Be Doing

• Building, migrating and maintaining backend services in Python (FastAPI)
• Contributing to software and product design — including data flow, structure, and UI behaviour
• Working on a varied mix of features — including web apps, APIs, PDF generation, large-scale web scraping, backend admin tools, data processing, and integrations with 3rd-party apps