Senior Software Engineer - Python / Docker

Location: Bristol or Southampton (20% onsite)
Duration: 6 month contract
Rate: -61.90ph LTD (Outside IR35)

Role details:

Our client, a prominent player in the Defence & Security sector, is seeking a Senior Software Engineer with expertise in Python, Docker, and Cyber Security for a 6-month contract based in Bristol or Southampton. The role involves a hybrid working model with approximately 20% onsite presence.

• Take ownership of specific software work packages, including low-level planning, delivery, and reporting, with the ability to work independently and autonomously.
• Possess a strong understanding of microservice software architecture.
• Design, implement, document, and test software modules and components.
• Peer review code, application design, and test results to ensure compliance with standards and governance.
• Troubleshoot complex issues and provide technical guidance to engineers.
• Mentor and support junior developers, sharing knowledge and best practices.
• Contribute to design reviews, risk assessments, and stakeholder reporting.
• Build production-grade software components with integration into wider systems in mind, collaborating with systems, test, and DevOps teams.
• Suggest and drive improvements in development processes, tools, and practices.
• Clearly communicate updates, risks, and review points upwards.

• Strong technical ability with proven experience in delivering software components and modules.
• Ability to work confidently, strategically, and autonomously.
• Balance hands-on coding with document writing and planning session participation.

• Proficiency in Python (including pytest), git, Docker, and AWS with prior experience building full-stack Flask applications.
• Experience designing, implementing, and testing software components.
• Knowledge of secure coding practices and cyber security considerations.
• Familiarity with version control and configuration management (Git, AWS).
• Experience integrating software within larger systems and platforms.
• Understanding of Agile delivery methods.

• Experience or knowledge in CI/CD pipelines and build tools (GitLab CI, Jenkins, AWS).
• Understanding and awareness of Machine Learning pipelines.
• Familiarity with containerisation and cloud platforms (Docker, Kubernetes, AWS, Azure).
• Exposure to additional automated testing frameworks (Selenium, JUnit, NUnit).
• ISTQB Foundation/Advanced or equivalent testing knowledge.
• Experience mentoring early-career engineers.
• Awareness of model-based engineering or architecture tools (UML, SysML).

If you are a skilled Senior Software Engineer with experience in Python, Docker, and Cyber Security, we would love to hear from you. Apply now to join our client''s dynamic and innovative team in the Defence & Security sector.