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Senior .NET Developer

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Onsite

Senior .NET Developer

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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