Senior .NET Developer – Kafka, Temporal & Azure Microservices
Location: Grand Rapids, MI
Work Arrangement: Remote
Duration: 12–18 Months
Employment: Contract / Direct Hire
Position Overview
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We are seeking a Senior .NET Developer with strong hands-on experience building distributed, event-driven microservices using C#, .NET 6+, Apache Kafka, Temporal, and Microsoft Azure.
The ideal candidate will have experience designing resilient backend services for high-volume environments and solving complex distributed-systems challenges involving workflow orchestration, message ordering, fault tolerance, retries, idempotency, and eventual consistency.
Experience in ecommerce, retail, order management, inventory, fulfillment, or omnichannel platforms is highly preferred.
Key Responsibilities
Design, develop, and maintain scalable backend services using C#, .NET 6+, and ASP.NET Core.
Build event-driven microservices using Apache Kafka.
Develop Kafka producers and consumers and work with topics, partitions, schemas, consumer groups, scaling, and failure-handling patterns.
Design and implement long-running business workflows using Temporal or comparable workflow orchestration platforms.
Build and operate cloud-native microservices on Microsoft Azure.
Work with AKS/Kubernetes, Azure Functions, Azure Service Bus, Event Hubs, and API Management.
Implement durable workflows with appropriate retry, compensation, and failure-recovery strategies.
Apply distributed-systems patterns including idempotency, eventual consistency, retries/backoff, event sourcing, and the outbox pattern.
Develop clean, maintainable, well-tested production code.
Participate in architecture and design reviews and contribute to technical decisions.
Diagnose and resolve complex production issues across distributed services.
Develop automated unit, integration, and contract tests.
Contribute to CI/CD pipelines, observability, containerization, and infrastructure-as-code.
Work closely with Product Owners, architects, QA, and engineering teams.
Mentor junior and mid-level developers.
Evaluate emerging technologies, including AI/LLM capabilities, where applicable.
Required Skills
6+ years of professional software development experience.
Strong hands-on C# / .NET development.
Strong ASP.NET Core experience.
Experience with .NET 6+.
Production experience with Apache Kafka.
Experience with Kafka producers, consumers, partitioning, schemas, consumer groups, and failure handling.
Hands-on experience with Temporal preferred.
Experience with Camunda, AWS Step Functions, or Cadence may be considered as comparable workflow-orchestration experience.
Strong Microsoft Azure experience.
Experience with AKS / Kubernetes.
Experience with Azure Functions, Service Bus, and Event Hubs.
Strong microservices development experience.
Strong understanding of distributed systems.
Experience with:
Idempotency
Eventual consistency
Retries / backoff
Event sourcing
Outbox pattern
Experience with Docker and Kubernetes.
Experience with relational and NoSQL databases such as SQL Server, PostgreSQL, Cosmos DB, and Redis.
Experience with CI/CD using Azure DevOps, GitHub Actions, Jenkins, or similar.
Experience with Terraform, Bicep, or other infrastructure-as-code tools.
Strong automated testing experience.
Excellent communication and collaboration skills.
Preferred Experience
Ecommerce / retail technology
Order management
Inventory management
Fulfillment systems
Ship-to-store / omnichannel fulfillment
High-volume event-driven platforms
Azure cloud-native architecture
Production troubleshooting of distributed systems
AI/LLM application or developer-tooling experience
Ideal Candidate
We are specifically looking for a hands-on Senior .NET Engineer who combines:
C#/.NET + Kafka + Temporal/workflow orchestration + Azure + Kubernetes + Distributed Systems + Microservices
Candidates whose experience is primarily traditional .NET web development without strong Kafka, Azure microservices, and distributed-systems experience may not be a fit.
Please submit an updated resume highlighting specific production experience with .NET 6+, Kafka, Temporal/Camunda/Step Functions, Azure AKS, microservices, and distributed systems.
Submission Details
Please include:
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