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Senior Backend Python Developer 6-Month contract - Inside IR35 - £450-£480 per day Leeds based - hybrid working - 3 days onsite Responsibilities Build and maintain backend services and APIs in line with existing architectural patterns and standards.Implement business logic, data access layers, and integrations with internal and external systems.Develop and enhance RESTful APIs, following defined contracts and API standards.Write clean, maintainable, well-tested code, adhering to agreed engineering best practices.Contribute unit and integration tests to ensure functional correctness and regression safety.Support feature delivery by implementing backend components from pre-defined designs and tickets.Participate in code reviews, addressing feedback and continuously improving code quality.Troubleshoot backend issues using logs and diagnostics, escalating complex design concerns to onshore leads.Work within an Agile/Scrum team, contributing to sprint delivery and estimations for assigned work.Follow established security, performance, and reliability guidelines when implementing backend changes. Skills & Experience Core backend engineering 3-6+ years of backend development experience.Strong experience with Python or equivalent backend frameworks.Solid understanding of REST API development, request/response models, and error handling.Experience working in microservices-based architectures. Cloud & infrastructure awareness Hands-on experience deploying or running services on GCP or another hyperscaler.Familiarity with managed databases (e.g. Cloud SQL, PostgreSQL).Understanding of containerised workloads (Docker) and serv