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# Mid-Level Python Developer (Outside IR35)

- **Company:** Mossend Software
- **Location:** London, UK
- **Experience:** Experienced
- **Salary:** £91,000.0
- **Contract:** Temporary contract
- **Skills:** Automation of Tests, Microsoft Azure, Software Debugging, Django Web Framework, Python (Programming Language), Microsoft SQL Server, Query Optimization, SQL Stored Procedures, SQLAlchemy, Management of Software Versions, Flask (Web Framework), Git, Fastapi, Bicep, Restful APIs, Terraform, Serverless Computing
- **Published:** August 4, 2026
- **Apply:** https://uk.indeed.com/viewjob?jk=1d39ad153839a649

## About the Role

* Solid commercial Python (typically 3+ years)
 * Production experience with FastAPI, or a close equivalent such as Flask or Django REST
 * Practical experience building serverless services on Azure Functions
 * Strong MS SQL Server - you can write and optimise non-trivial queries, not just ORM calls
 * Working knowledge of Azure cloud services and infrastructure
 * Git, CI/CD pipelines, and a genuine testing habit
 * Comfortable working directly with client stakeholders

Nice to have

 * Financial services, lending or another regulated domain
 * SQLAlchemy or Alembic
 * Infrastructure as code (Bicep or Terraform)
 * Azure DevOps
 * Experience in a consultancy or client-facing delivery setting

## Description

A significant opportunity to work with a leading global independent financial services firm, delivering a loan management platform that handles complex servicing workflows in a regulated environment. You'll be working to a high bar for correctness, traceability and testing - and you'll be based out of excellent offices in central London three days a week., * Building and maintaining Python services - FastAPI applications and Azure Functions

 * Designing and consuming REST APIs, with an eye on validation, versioning and clear contracts
 * Working with MS SQL Server: query tuning, stored procedures and migrations
 * Working with Azure infrastructure - storage, queues, app configuration, monitoring
 * Writing and maintaining automated tests
 * Debugging and resolving defects in a live platform, including root cause analysis


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