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Intermediate C# Developer (Kafka Experience)

Intermediate C# Developer (Kafka Experience)

Belay Talent SolutionsPretoria, South Africa
13 days ago
Job type
  • Quick Apply
Job description

Intermediate C# Developer (Apache Kafka Experience)

Permanent : Menlyn Maine, Pretoria

About the Role

We are seeking a medium-level C# Developer with strong experience in modern cloud-native application development. The ideal candidate will have proven skills in microservices architecture , containerised deployments , and Azure / Kubernetes orchestration , as well as hands-on production experience with Apache Kafka . The role involves building and maintaining scalable, resilient services that integrate into a distributed financial-technology ecosystem.

Key Responsibilities

  • Design, develop, and maintain C# / .NET Core microservices
  • Implement containerisation best practices (Docker images, deployment pipelines)
  • Deploy and manage applications on Azure Kubernetes Service (AKS) or on-premises Kubernetes clusters
  • Collaborate with DevOps teams to optimise CI / CD pipelines and ensure smooth delivery to production
  • Architect and maintain Apache Kafka clusters , including :

Topic design, partitioning, replication, retention policies

  • Consumer group optimisation and monitoring
  • Schema Registry usage (Avro / Protobuf / JSON)
  • Kafka Connect integration with external systems
  • Security and access control (ACLs, TLS / SASL)
  • Performance tuning and scaling in production
  • Implement and maintain observability solutions , including :

    • OpenTelemetry for distributed tracing, metrics, and logging

  • Grafana dashboards for monitoring and alerting
  • Work closely with solution architects to ensure alignment with cloud governance and compliance standards
  • Participate in code reviews, architectural discussions, and technical design sessions
  • Monitor, troubleshoot, and improve performance of services in production

    • What Were Looking For

  • 3 - 5 years C# / .NET Core development experience in production systems
  • Strong understanding of microservices principles (domain-driven design, bounded contexts, service-to-service communication)
  • Proficiency in containerisation (best practices, image optimisation, debugging containerised apps)
  • Hands-on deployment experience with AKS or Kubernetes (RBAC, ConfigMaps, Secrets, Ingress, scaling strategies)
  • Apache Kafka (production experience) :

    • Administering Kafka clusters

  • Designing event-driven applications and event schemas
  • Monitoring (Prometheus / Grafana, Confluent Control Center, or similar)
  • Handling data consistency and exactly-once / at-least-once semantics
  • Experience with Azure cloud services :

    • Azure DevOps (pipelines, repos, artifacts)

  • Azure Monitor / Application Insights
  • Networking basics (VNETs, load balancers, firewalls)
  • Azure Storage and Messaging (Event Hubs, Service Bus a plus)
  • PostgreSQL experience (schema design, queries, performance tuning)

    • Qualification

  • IT Diploma or Degree in Computer Science or relevant qualification

    • Optional / Nice-to-Have Skills

  • Exposure to agentic coding approaches and AI-assisted development tools (Claude)
  • Experience in other messaging technologies (Azure Event Hubs)
  • Familiarity with PCI DSS , financial services compliance , or secure coding practices

    • Soft Skills

  • Strong problem-solving ability in distributed system scenarios
  • Good communication skills to work with cross-functional teams
  • Ability to balance delivery speed with production reliability
  • Proactive attitude toward monitoring, observability, and automation
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    Intermediate Developer • Pretoria, South Africa

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