Security Cleared Python Developer

Devonshire Hayes are looking for a skilled SC Python Developer who is Security Cleared to join a customer of ours on a contract basis until the end of March 2026 (extension highly likely) paying £750 per day (inside IR35).

You will be responsible for designing, developing, and maintaining high-quality Python-based applications and services, working closely with cross-functional teams to deliver robust and scalable solutions.

This role offers a flexible hybrid working arrangement, with one day per week onsite at one of our UK offices (London, Cardiff, or Glasgow) and the remainder working from home.

Key Responsibilities

*

Design, develop, test, and maintain Python applications and services

*

Write clean, efficient, and well-documented code following best practices

*

Collaborate with product owners, architects, and other developers to deliver technical solutions

*

Participate in code reviews and contribute to continuous improvement of development standards

*

Debug, troubleshoot, and resolve technical issues

*

Contribute to system design, performance optimisation, and scalability

*

Work within Agile/Scrum delivery teams (if applicable)

Required Skills & Experience

*

Strong commercial experience with Python

*

Experience building and maintaining production-grade applications

*

Solid understanding of software development best practices

*

Experience with RESTful APIs and backend services

*

Familiarity with version control systems (e.g. Git)

*

Strong problem-solving and communication skills

*

Ability to work independently in a remote-first environment

Desirable Skills

*

Experience with frameworks such as Django is essential for this position.

*

Cloud experience (AWS, Azure, or GCP)

*

Experience with containerisation (Docker, Kubernetes)

*

Knowledge of CI/CD pipelines

*

Database experience (SQL and/or NoSQL)

*

Prior experience working in Agile environments