API Azure Senior Engineer

API Azure Senior Engineer (Backend Tech Lead) Location: Remote from Spain Contract: 12 month contract + extensions Rate: €30-€35/hour (Gross) Start: ASAP Role Overview We are seeking an experienced API Azure Senior Engineer / Backend Tech Lead to design, architect, and deliver cloud-native backend solutions using Microsoft Azure and .NET. You will work heavily with REST APIs, Azure services, containerization, and CI/CD pipelines. This is a hands-on senior engineering role within an enterprise environment. Key Responsibilities * Design, develop, and test REST APIs and backend services. * Build cloud applications using .NET 6+ and C#. * Architect backend and integration solutions leveraging Azure Functions, Service Bus, AKS, APIM, and more. * Lead solution design, code reviews, best practices, and backend architecture decisions. * Work with Docker for packaging and deployment. * Use Azure DevOps and Git for CI/CD pipelines and automated deployments. * Collaborate with

cross-functional engineering and product teams. * Propose innovative cloud-native architectural solutions. Requirements * Bachelor's degree in Computer Science or related field. * 8+ years of experience in backend/cloud development. * Strong expertise in C# / .NET 6+. * Deep knowledge of REST API design and development. * Hands-on experience with Azure cloud services, including: - Azure Functions - Azure Service Bus - AKS (Azure Kubernetes Service) - Azure API Management (APIM) * Experience with Docker and containersation. * Experience with Azure DevOps, Git, CI/CD pipelines. * Strong English communication skills. * Ability to lead backend technical delivery independently.