5 of 5 API Design Jobs in Newcastle upon Tyne

reliability, and agility — and we're looking for a Senior .NET Developer who shares our drive to deliver engineering excellence. What You'll Do Design and implement high-performance, scalablemicroservicesusing.NET 6+ and C# Own features end-to-end: from concept, design, architecture, to deployment in production Collaborate with … cross-functional teams on system architecture, design reviews, and best practices ChampionSOLID, clean code, anddomain-driven design (DDD),etc. Work withAzure services, CI/CD pipelines, and containerised environments (Docker, Kubernetes) Help mentor and guide developers, contributing to a culture of technical excellence What You Bring 5+ years ...

Familiarity with functional programming principles and Test-Driven Development (TDD) . Experience working with both relational databases (e.g., Postgres) and NoSQL Understanding of REST API design patterns and OpenAPI specifications . Hands-on experience with the AWS Cloud Platform . Knowledge of GitHub and CI/CD pipelines ...

Core Skills: Minimum 4 years of hands-on experience with the Outsystems platform Strong understanding of Outsystems Architecture, including modularization, performance optimization, and scalable design principles. Professional Traditional Web Developer Certification (mandatory). Associate Developer (ODC) Certification (mandatory). Scripting languages such as JavaScript, TypeScript or NodeJS Strong .NET … Core (C#) skills (including Entity Framework and MVC and WebAPI, .NET 8 or later Additional Technical Experience: RESTful API design & integration Security and Architecture certifications are a strong plus. Familiarity with integration patterns (REST/SOAP APIs, external systems, and identity providers like Azure AD). ...

solution and code interpreter Experience with Multi-agent system architecture (e.g., LangGraph, ToolUniverse) Experience with MCP tool integration and orchestration Experience with API design and integration Experience with tool wrapping and interoperability Experience with Error handling and debugging (agentic workflows, logs) Experience with Modular system design, performance ...

Qualifications Extensive experience developing scalable, high-performance backend systems using Node.js and/or Java (v21+). Strong knowledge of microservices architecture and RESTful API design. Demonstrated ability to lead technical initiatives, mentor engineering team members, and promote best practices across projects. Preferred Skills and Experience Hands-on experience … Proficiency in containerization technologies (Docker, Podman) and Kubernetes-based orchestration. Experience implementing secure coding practices and integrating IAM solutions such as Keycloak. Familiarity with API gateway platforms including WSO2, Kong, or Apigee. Advanced understanding of security standards such as TLS, OAuth2, encryption techniques, and threat mitigation strategies. Practical experience ...