Senior .NET Cloud-Native Developer

17 hours ago

Sydney, New South Wales, Australia AI Talent Full time

We're partnering with a highly innovative leader in the
FinTech
(Financial Technology) sector, dedicated to building the next generation of secure, ultra-low latency trading and compliance platforms. For the right candidate with the necessary skills and experience, we are pleased to offer
482 visa sponsorship
.

This client requires a
Senior .NET Cloud-Native Developer
to lead the design and implementation of highly performant, distributed microservices. You will focus on the latest Microsoft stack,
architecting
solutions using
.NET Aspire
for
orchestration
,
ASP.NET Core Minimal APIs
for efficiency, and modern
Blazor
for unified web UI. This role demands mastery of C#, cloud-native patterns, performance
optimisation
, and a deep commitment to code quality and security.

What You'll Do

  • Lead the design, development, and delivery
    of scalable, secure, and maintainable backend services using
    ASP.NET Core (Minimal APIs)
    and C# in the latest
    .NET 8/9
    runtime.
  • Architect cloud-native application infrastructure
    utilizing
    .NET Aspire
    for service
    orchestration
    , distributed tracing, and component management in Azure.
  • Develop highly interactive and modern user interfaces
    using
    Blazor
    (both Server and WebAssembly/Auto modes) to deliver a seamless, high-performance web experience.
  • Optimise
    application performance and reliability, focusing on asynchronous
    programming
    , memory management, and achieving ultra-low latency for financial transactions.
  • Define and enforce coding standards
    , architectural patterns (e.g., DDD, Microservices), and contribute to the CI/CD pipeline using Azure DevOps/GitHub Actions.
  • Implement robust data solutions
    using
    Entity Framework Core (EF Core)
    , integrating with high-performance databases (e.g., Azure SQL, Cosmos DB, Redis for caching).
  • Mentor and guide
    the engineering team on the latest features, tools, and best
    practises
    within the evolving .NET ecosystem.

What You'll Bring

  • 6+ years of progressive professional experience in software development, with at least 2 years operating as a Senior Developer focused on the modern
    .NET Core/ASP.NET Core
    stack.
  • Expert-level proficiency in C#
    and the latest features of the
    .NET 8/9
    runtime.
  • Mandatory hands-on experience
    architecting and deploying
    microservices/cloud-native applications using
    .NET Aspire
    or a similar cloud orchestration framework.
  • Deep experience developing modern web UIs with
    Blazor
    (Server, WebAssembly, or Hybrid).
  • Expert knowledge of building and securing RESTful and/or gRPC APIs using
    ASP.NET Core
    .
  • Strong proficiency with
    Entity Framework Core (EF Core)
    and advanced techniques like query
    optimisation
    and performance tuning.
  • Proven experience with cloud platforms (
    Azure
    preferred), including Azure Functions, App Services, or Kubernetes/AKS.
  • Exceptional communication and systems
    analytical
    skills, with a focus on delivering secure, mission-critical
    programmes
    .

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