Senior C# Developer - Azure & Microservices

Recruiter:

Datonomy Solutions

Job Ref:

733

Date posted:

Thursday, July 31, 2025

Location:

Sandton, South Africa

Salary:

R80k - 100k per month

SUMMARY:
C# Developer with strong background in API development, containerised applications

POSITION INFO:

We are looking for a skilled and experienced C# Developer to join our team. The ideal candidate will have a strong background in API development, containerised applications, and Microsoft Azure services, with experience in financial services or investment domains.

Key Responsibilities

Design, develop, and maintain RESTful APIs using C#
Apply asynchronous programming principles and SOLID design patterns
Integrate with various systems using Kafka, SOAP, REST, and batch processes
Implement data persistence using both SQL and NoSQL solutions
Ensure secure authentication and authorization using OAuth2
Identify and resolve performance bottlenecks
Adhere to best practices in logging, monitoring, and application instrumentation
Develop applications following containerisation principles (transient design)
Contribute to a microservices and event-driven architecture
Write and maintain unit tests using xUnit
Collaborate within Azure DevOps pipelines and processes

Technical Skills

Backend Development:

Strong proficiency in C# with experience in:
- RESTful API development
- Async operations and concurrency handling
- Integration development (Kafka, SOAP, REST, batch)
- SOLID design principles

Database:

MS SQL expertise:
- Writing and optimizing stored procedures
- Indexing strategies
- Query performance troubleshooting

Cloud & DevOps:

Microsoft Azure experience with:
- Azure Kubernetes Service (AKS)
- Azure Storage
- Azure Key Vault
- Azure Container Registry
- Azure App Gateway
- Azure Container Apps
Familiarity with containerisation and orchestration concepts (Docker/Kubernetes)

Architecture:

Experience in Microservices and Event-Driven architectures

Testing & CI/CD:

Unit testing with xUnit
Experience using Azure DevOps for builds, releases, and deployments

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