About the Role We are seeking a skilled Back End .NET Developer to design, build, and maintain scalable, high-performance backend services. The ideal candidate has hands-on experience with event-driven architectures, distributed systems, and modern .NET technologies. You will work closely with cross-functional teams to deliver reliable, resilient, and maintainable solutions. About the Company ASX-listed financial services organisation delivering secure, scalable, and innovative technology solutions to support our customers and business partners. Operating in a highly regulated environment, we focus on building resilient platforms that enable real-time processing, reliability, and growth. Technology plays a critical role in our continued success, and we are investing heavily in modern, event-driven architectures to support our evolving digital ecosystem. Key Responsibilities Design, develop, and maintain backend services using .NET / .NET Core (C#) Build and support event-driven systems using message brokers and streaming platforms Implement asynchronous, decoupled communication patterns (e.g., publish/subscribe, event sourcing, CQRS where applicable) Develop and maintain RESTful APIs and/or gRPC services Integrate with databases (SQL and NoSQL) and optimize data access Ensure system reliability, scalability, and fault tolerance Write clean, testable, and well-documented code Collaborate with frontend developers, DevOps, and product teams Participate in code reviews and contribute to architectural decisions Monitor, troubleshoot, and improve system performance in production Required Background: Strong experience with C# and .NET / .NET Core Hands-on experience with event-driven architecture Experience with messaging and streaming technologies such as: Azure Service Bus, Event Grid, Event Hubs RabbitMQ, Apache Kafka, or similar Solid understanding of asynchronous programming and concurrency Experience building APIs using ASP.NET Core Strong knowledge of relational databases (e.g., SQL Server, PostgreSQL) Familiarity with unit testing and integration testing Understanding of software design principles and patterns Experience with version control systems (e.g., Git) Preferred: Experience with cloud platforms (Azure preferred, AWS/GCP acceptable) Knowledge of microservices architecture Familiarity with Docker and container orchestration (Kubernetes) Experience with CI/CD pipelines Exposure to Domain-Driven Design (DDD) Monitoring and observability tools (Application Insights, Prometheus, Grafana, etc.)
