Senior Full-Stack .NET Developer (Multi-tenant Cloud Platform)

About the role

We are looking for a senior full‑stack .NET engineer to design and harden a new multi‑tenant cloud platform for Aspire Software’s cloud initiative. The role involves greenfield development using modern .NET technologies and retiring legacy WCF/MSMQ/DTC components.

Key responsibilities

• Design and implement new APIs and services on .NET 10 (or .NET 6+ with a clear upgrade path).
• Develop a scalable multi‑tenant architecture and support containerization on Azure Kubernetes Service.
• Design, optimise and refactor MS‑SQL/T‑SQL schemas and stored procedures.
• Set up Azure VM‑based deployments and Azure DevOps pipelines.
• Migrate existing WCF/MSMQ/DTC code to modern .NET services.
• Collaborate with the compliance team on AML/FinCrime requirements where needed.

Required profile

• Proven senior‑level experience with .NET (10 preferred.NET 6+ acceptable).
• Strong expertise in MS‑SQL/T‑SQL schema design and query optimisation.
• Hands‑on experience with Azure services, especially VM deployment and DevOps pipelines.
• Familiarity with containerisation technologies, preferably AKS.
• Experience modernising legacy WCF/MSMQ/DTC applications.
• Ability to work with Elasticsearch and compliance‑related code is a plus.
• Comfortable using AI‑assisted coding tools such as Claude Code.

Required skills

• .NET 10 / .NET 6+
• C#
• API and service development
• MS‑SQL / T‑SQL
• Azure VMs
• Azure DevOps pipelines
• Docker / AKS (bonus)
• WCF / MSMQ / DTC migration
• Elasticsearch (optional)
• AML/FinCrime domain knowledge (optional)