> Markdown version of [/jobs/ext/4492036-senior-developer](https://www.wearedevelopers.com/jobs/ext/4492036-senior-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Developer - **Company:** Ronald james - **Location:** Newcastle upon Tyne, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Multitier Architecture, Continuous Integration, DevOps, Node.Js, TypeScript, Google Cloud, ReactJS, Kubernetes, React Native, Domain Driven Design - **Published:** November 2, 2026 - **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=3044938362-2 ## About the Role practicesOperating within a team-led model where initiative and ownership are valuedTech StackBackend: TypeScript, Node.jsFrontend: TypeScript, React; React Native / Expo for mobileArchitecture: Clean Architecture, Domain-Driven DesignInfrastructure: Kubernetes (GKE), Google Cloud PlatformTooling: Modern DevOps, CI/CD pipelinesSome of the requirements:Strong experience with TypeScript, React, Node or similar modern stacksInterest in Clean Architecture and Domain-Driven DesignCommitment to clean, maintainable codeProduct-focused mindset - understanding the user and the problemSelf-starter attitude with the ability to work independentlyExperience with Kubernetes, CI/CD, or broader DevOps toolingExposure to React Native / ExpoExperience contributing to re-platforming or system-modernisation projectsDon't miss out on this exciting opportunity - Apply today!Location:Newcastle upon TyneTyne and WearNewcastle upon TyneNE12 8BXSalary:45000 - 55000Sector:Full Stack Developer Type:PermanentPosted:11/28/2025 ## Description This is a great opportunity to join a technology-led business that is modernising and digitising complex operational workflows through a brand-new platform build. Their focus is on streamlining processes, improving user experience, and replacing long-standing systems with a more efficient, scalable solution.The company is entering a major transformation phase, rebuilding their platform from the ground up using modern architecture. They're now looking for a Senior Developer to play a key role in shaping and delivering this next-generation system.What You'll Be DoingDesigning and building new services and features for a next-generation platformApplying clean, scalable engineering principles (Clean Architecture, DDD)Writing high-quality, testable code with strong testing discipline (TDD encouraged)Working closely with product to shape requirements and propose effective solutionsSupporting the migration away from legacy systemsMentoring mid-level and junior developers in best