Senior .NET API Developer

Role overview

This position is for an accomplished Senior .NET API Developer who can architect and deliver secure, scalable, cloud-first solutions on Microsoft Azure. The work centers on building robust RESTful APIs, applying event-driven design, and running containerized workloads on Azure Kubernetes Service (AKS). The role also involves partnering with architects, DevOps specialists, and product stakeholders to create reliable, resilient, enterprise-level software using current engineering practices.

What you'll do

• Build, enhance, and support scalable REST APIs using C# and .NET.
• Engineer API solutions with a strong focus on security and performance.
• Create cloud-native applications that take advantage of Microsoft Azure capabilities.
• Develop event-driven systems with Kafka and Azure Event Hubs.
• Define and manage API contracts, versioning approaches, and event schemas.
• Package applications in Docker containers and release them on Azure Kubernetes Service (AKS).
• Work with DevOps teams to set up CI/CD automation and Infrastructure as Code workflows.
• Use design patterns and SOLID principles to keep solutions maintainable and adaptable.
• Strengthen application resilience, scalability, observability, and security.
• Contribute to architecture reviews, code quality checks, and mentoring other engineers.
• Investigate production defects and tune application performance.
• Work in collaboration with cross-functional teams in an Agile environment.

Experience and skills required

• At least 8 years of hands-on development experience with C# and .NET/.NET Core.
• Proven ability to design and deliver enterprise-grade REST APIs.
• Strong command of design patterns, SOLID principles, and clean architecture practices.
• Solid understanding of scalability, distributed systems, and performance tuning.
• Experience with secure identity and access solutions such as OAuth2, JWT, OpenID Connect, and Azure AD.
• Practical experience across Microsoft Azure services.
• Exposure to Azure App Services, Azure Functions, Azure Storage, Azure Key Vault, Azure Event Hubs, and Azure Monitor.
• Strong background in Kafka and event-driven architecture.
• Practical experience deploying workloads on Azure Kubernetes Service (AKS).
• Experience packaging applications with Docker.
• Good understanding of Kubernetes deployment patterns, ingress, scaling, and monitoring.
• Experience with Infrastructure as Code tools such as Terraform, Bicep, or ARM Templates.
• Hands-on DevOps experience with Azure DevOps and CI/CD pipelines.
• Working knowledge of Git and modern source control practices.
• Experience with automated testing tools and API testing.
• Strong troubleshooting, debugging, and performance optimization skills.

Additional information

Location: Auckland, Auckland, New Zealand. Employment type: full-time, onsite. No salary figure, stipend, duration, or start date was specified in the source. No vacancy count, eligibility note, or separate perk details were provided.