Full Stack Developer (Python) - SC ClearedHybrid - 2 Days per Week Onsite in LeedsWe''re supporting a secure-sector organisation seeking an experienced Full Stack Developer with strong Python expertise to join a high-performing engineering team. This role is ideal for someone who enjoys solving complex problems, shaping scalable solutions, and contributing to a collaborative, modern technical environment.You''ll work across the full development life cycle - designing, building, and maintaining high-quality applications - while helping to guide best practices and support junior engineers. This is a great opportunity to make a meaningful impact within a mission-driven setting where engineering excellence is valued.What You''ll Be DoingDesigning and developing high-quality, scalable software using modern Python frameworks.Contributing to Front End development using JavaScript and contemporary UI technologies.Building and optimising SQL-based data solutions.Working with cloud technologies and infrastructure-as-code tooling.Creating automated, test-driven, and secure solutions that follow industry best practice.Collaborating closely with cross-functional teams to deliver effective, reliable products.Supporting and mentoring junior developers to promote continuous improvement.What We''re Looking ForActive SC Clearance (mandatory).Strong commercial experience with Python and modern Back End frameworks.Confident working across the full stack, including Front End tooling.Experience ..... full job details .....