Senior .NET Engineer – React & Microsoft 365

Hide and Seek Digital; Canberra; On-site; AUD 120,000 - 150,000; Full time

Job summary

Hide and Seek Digital is seeking a .NET engineer to join our Engineering practice in Canberra. You’ll build applications, services and integrations across Microsoft 365 and Azure, with React front ends, focusing on SharePoint Online and the wider 365 ecosystem.

You’ll own work from initial conversations through deployment and support, collaborating with engineers and designers. Strong .NET foundations, React with TypeScript and a willingness to grow SharePoint/M365 capabilities are essential.

Qualifications

• Commercial experience building and supporting production apps using C# and modern .NET.
• Experience developing ASP.NET Core web APIs and integrating with external systems.
• Experience building React front ends using TypeScript, reusable components, and API integration.
• Understanding of authentication and authorisation, including OAuth 2.0 and OpenID Connect.
• Experience with Azure services such as Functions, App Service and Azure SQL.
• Relational databases and data access using EF Core or equivalent.
• Automated testing, Git, CI/CD and secure coding practices.

Responsibilities

• Build and maintain C#/.NET apps, ASP.NET Core APIs and Azure Functions.
• Develop React front ends using TypeScript and connect to APIs.
• Integrate Microsoft 365 services and SharePoint APIs.
• Develop SharePoint Online solutions including intranets and workflows.
• Create SPFx interfaces with React/TS and .NET services.
• Explain trade-offs between native 365 capabilities and custom development.
• Implement authentication with Entra ID and secure access.
• Write maintainable, tested code and participate in reviews and pipelines.
• Add logging and diagnostics for operations.
• Develop PowerShell scripts and migration utilities.
• Collaborate with designers and clients on IA and permissions.
• Apply security/compliance requirements during delivery.
• Produce technical docs and assist handover/training.
• Estimate work and support associates through reviews.

Skills

C# / .NET

ASP.NET Core

React front ends

TypeScript

OAuth 2.0 / OpenID Connect

Azure Functions

CI/CD

Education

IT or CS degree

Tools

Azure

SharePoint APIs

Microsoft 365 APIs

Job description

Hide and Seek Digital is seeking a .NET engineer to join our Engineering practice in Canberra. You’ll build applications, services and integrations across Microsoft 365 and Azure, with React front ends, focusing on SharePoint Online and the wider 365 ecosystem.

You’ll own work from initial conversations through deployment and support, collaborating with engineers and designers. Strong .NET foundations, React with TypeScript and a willingness to grow SharePoint/M365 capabilities are essential.