Senior Software Engineer Rate: £450 a day IR 35 Determination: Outside IR35 Location: Bristol Working Pattern: 20% onsite Clearance: SC Clearance required Stack overview: Python (including pytest), git, Docker and AWS with prior experience building full stack Flask You will join a global defence technology consultancy and take ownership of specific software work packages, including low level planning, delivery, and reporting, with ability to work independently and autonomously. You will have strong understanding of microservice software architecture, and design, implement, document and test software modules and components. What you'll bring Strong technical ability with proven experience delivering software components and modules. Ability to work confidently, strategically and autonomously Ability to balance hands-on coding with document writing and planning session participation Your skills and experience: 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 Desirable: Experience or knowledge 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)