Python Developer (London Area)

Rate: Up to £600/day (Outside IR35)

Contract Length: 5 month contract

Hybrid Model: 3 days per week onsite (City of London)

About the Role

We’re seeking an experienced Python Developer to join a dynamic team working on critical financial systems. You’ll play a key role in designing and building Python frameworks for loan processing, risk assessment, and financial automation, with a focus on SWIFT banking integrations (payments, receipts, balances).

This is a hands-on role requiring strong problem-solving skills, the ability to work independently, and collaboration with senior engineers to deliver scalable solutions.

Key Responsibilities

✔ Design, develop, and maintain Python-based applications for loan calculations, invoicing, and financial analysis

✔ Integrate with SWIFT banking services and third-party APIs

✔ Optimise and manage relational (PostgreSQL/MySQL) and NoSQL databases

✔ Work with large datasets for risk modelling, fraud detection, and automation

✔ Ensure compliance with financial security & regulatory standards

✔ Deploy and manage applications on Azure (Functions, CI/CD pipelines, test automation)

✔ Collaborate on framework design and mentor junior developers

Essential Skills

✅ Strong Python development (3+ years, ideally in financial services)

✅ Experience with PostgreSQL/MySQL & NoSQL databases

✅ Proficiency in RESTful API development & third-party integrations

✅ Familiarity with Bitbucket, CI/CD pipelines, and test automation

✅ Knowledge of cloud platforms (Azure preferred, AWS/GCP acceptable)

✅ Ability to debug, optimise, and improve performance

✅ Understanding of financial algorithms & data processing

Desirable Skills

Experience with SWIFT banking protocols

Knowledge of Azure Functions

Frontend skills (React, Vue, or Angular) for full-stack contributions

Exposure to machine learning/AI for risk/fraud detection

How to Apply

To be considered, please submit your CV via the Computappoint website.

Services offered by Computappoint Limited are those of an Employment Business and/or Employment Agency in relation to this vacancy.