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 up to £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