Intermediate C# Developer with Kafka experience

11 hours ago

Pretoria, Gauteng, South Africa Mediro ICT Full time

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-premise 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.

Required Skills & Experience:

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).

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.

Between 3 - 5 Years

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