Software Developer (Python/JS/FastAPI/Hono/Azure) at Mossend Software, Remote, £450 £700 per day (Outside IR35)

Software Developer (Python/Typescript / FastAPI/Hono / Azure) – Outside IR35 only.

Contract length: 3 months
Rate: £450–£650 per day
Location: Remote (UK-based with access to office if required).
IR35 Status: Outside IR35 only
Start: September 2026

Job Summary
We’re looking for a skilled contract Python/TypeScript developer to support ongoing delivery across a mix of client and internal projects. You’ll be building, extending, and maintaining APIs and complex backend services in a delivery-driven environment. You’ll be working closely with a small technical team, so clear communication and ownership are crucial.

The initial contract is 3 months , with a possibility of extension depending on workload.

Outside IR35 only - must be willing to work from a Private Limited Company / Ltd.

Duties:

• Building and maintaining backend services using Python or JavaScript/TypeScript
• Developing APIs with FastAPI and Django (or other tools)
• Working with Azure/AWS (App Services, Functions, storage, deployments, etc.)
• Integrating with third-party APIs and internal systems
• Writing clean, maintainable, well-tested code
• Collaborating directly with stakeholders

Essential Experience:

• Strong understanding of Python and Python ecosystem or JavaScript ecosystem.
• Building and integrating secure RESTful APIs.
• Cloud services such as AWS and Azure Function Apps.
• Strong understanding of Docker.
• Version control systems including Git and CI/CD pipelines in Atlassian.
• Solid understanding of database management systems such as MySQL, PostgreSQL and SQL Server.
• Knowledge of MS Teams and Agile working.
• Contracting mindset: pragmatic, reliable, delivery-focused.
• Strong problem-solving skills and ability to communicate with diverse team.

Nice to have:

• Experience working with Linux environments is desirable but Mac & Windows will also be used.
• A degree in Computer Science is not essential if you have relevant, hands-on experience.

If you don't have the essential experience but have worked with similar backend technologies e.g Django, TypeScript please feel free to apply. We care more about your approach to problem solving and how well your skills will transfer to the role.

Job Types: Temporary, Fixed term contract

Pay: £450.00-£700.00 per day

Benefits:

• On-site parking
• Work from home

Work Location: Remote