Backend Developer - circa 40,000 per annum base + benefits - Newcastle-Upon-Tyne We are seeking an experienced Back-End Developer. In this role, you will be responsible for designing, building, and maintaining secure, scalable, and high-performance APIs. You''ll work closely with front-end developers, DevOps engineers, and product teams to deliver complex business logic to the front-end web application.Key accountabilitiesDesign, implement, and maintain RESTful APIsDevelop reusable and secure server-side logic, middleware, and servicesIntegrate with third-party APIs and data sourcesWork with databases to design schemas and optimize queriesWrite unit, integration, and end-to-end tests for back-end componentsMonitor, troubleshoot, and improve application performance and scalabilityEnsure APIs are well-documented and follow consistent standardsCollaborate with front-end and mobile developers to define API contractsParticipate in agile development processes including sprint planning and code reviewsSkills and experienceProficiency in back-end languages like Node.js, Python, Java, Ruby, Go, or .NETExperience building and maintaining RESTful APIsSolid understanding of authentication and authorization (e.g., OAuth2)Expertise in developing system services in C, C++ and C#Experience with database design and query optimizationFamiliarity with containerization and cloud services (AWS, Azure, GCP)Understanding of CI/CD pipelines, version control (Git), and DevOps practicesFamiliarity wi