Samaha Consulting
Senior .NET Developer
10 days ago
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Important information
Contract type:
Freelance / Contract
Location:
Sandton, South Africa
Work mode:
Onsite
Published on:
9 October 2026
What they need
- Role : Senior .NET Developer
- No of Roles : 2
- Job Type: Contract
- Duration : till 31-MAR-2027, renewal
- Location : JHB [ 4 days to work from office Mon to Thu , Friday day remote ]
- Immediate joiners required
Job Spec
- Expert‑level proficiency in .NET 8+ and C# 12+ (async/await, LINQ, performance tuning, reflection).
- Strong experience with Dapper / EF Core , including ORM trade‑offs and performance tuning.
- Advanced SQL Server skills: query tuning, indexing, execution plans, statistics.
- Deep understanding of ACID, isolation levels, deadlocks, sharding, and partitioning. (Beneficial)
- Redis expertise in distributed caching and invalidation strategies. (Beneficial)
- Elasticsearch experience (indexing, search and aggregation performance optimizations). (Beneficial)
- Microservices design: boundaries, communication patterns, service reliability.
- Event‑driven architecture: RabbitMQ, Kafka, or Azure Service Bus.
- API design (REST / gRPC), backward compatibility, and versioning strategies.
- Strong ability to lead design discussions and influence architecture without formal authority.
DevOps, CI/CD & Observability:
- Advanced Azure DevOps pipeline design and release management.
- Understanding of modern deployment strategies (blue‑green, canary, etc.).
- Experience with logging, tracing, and performance monitoring (OpenTelemetry). (Beneficial)
Software Quality & Craftsmanship:
- Deep experience with testing automation across all testing layers.
- Strong understanding of SOLID principles, design patterns, and refactoring practices.
- Performance profiling, optimization, and debugging complex scenarios.
If interested, please share your updated CV at [email protected]
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