Python Developer [Remote]

Knowledge Bank; South Yorkshire; Remote; GBP 40,000 - 55,000; Full time

Job summary

A leading fintech company is seeking a Python Developer to work on their award-winning platform. You will be responsible for building and maintaining backend services, contributing to product design, and collaborating with UX teams. This remote-first role offers flexibility and a chance to influence the development process.

Benefits

25 days holiday + bank holidays

Auto-enrolment pension

Remote-first role with real flexibility

Qualifications

• 2+ years' commercial experience in software development using Python 3+.
• Comfortable with FastAPI or similar frameworks.
• Confident using Git and working in a collaborative team.

Responsibilities

• Building, migrating and maintaining backend services in Python (FastAPI).
• Contributing to software and product design.
• Collaborating with product and UX teams to ship polished features.

Skills

Python 3+

FastAPI

JavaScript

CSS

Git

Tools

AWS

CI/CD pipelines

Job description

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

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 aboutcode 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 inPython (FastAPI)
• Writing clean, efficientJavaScript(vanilla, but frameworks considered)
• Contributing tosoftware and product design— including data flow, structure, and UI behaviour
• Working on avaried mix of features— including web apps, APIs, PDF generation, large-scale web scraping, backend admin tools, data processing, and integrations with 3rd-party apps
• Helping evolve scalable, maintainable systems used at scale across the UK
• Collaborating with product and UX teams to ship polished, purposeful features
• Writing code that followsbest practices for maintainability, performance, and security— from validation andsanitationto architectural decisions
• Understanding how data moves through our systems (you won’t manage the DBs, but you’ll work with them)
• UsingGitconfidently for version control and team collaboration
• Attending quarterly team meetups (and other team events) in Central England (UK driving licence or good transport links required)
  

About You

• You’ve got2+ years' commercial experiencein software development usingPython 3+
• You're comfortable withFastAPIor similar frameworks (but we're building in FastAPI)
• You know your way aroundJavaScriptandCSS
• You have a working knowledge of frameworks likeTailscale CSSor similar
• You understand how databases work — queries, structure — even if you’re not managing them directly
• You’re confident usingGitand working in a collaborative team
• You think beyond code — about product purpose, user experience, and long-term maintainability
• You’re UK-based and have theright to work in the UK(we can’t offer visa sponsorship). Our HQ is in South Yorkshire.

Bonus Points For

• Familiarity withAWS, especiallyLambda functions
• Experience in fintech, regulated industries, or tools used by large-scale professional users
• Exposure toCI/CD pipelines, cloud deployment, logging or observability tools
• Experience working closely with designers or contributing to user-focused product decisions
• Involvement in scalable architecture or service-based system design

What You’ll Get

• Aremote-first rolewith real flexibility
• A say inhow we build— from architecture to dev tools to UX
• A practical, evolving stack — and room to modernise and shape it
• 25 days holiday + bank holidays
• Auto-enrolment pension

What’s Next?

Send us yourCV and a short messagetelling us why this sounds like a good fit. We'll schedule aremote callas the next step (unless you’re local to South Yorkshire — we’re happy to meet in person). We're moving quickly so once we hear from you, we'll be in touch.