Senior .NET Full-Stack Engineer for Enterprise Integrations

Existco PTY LTD; Perth; On-site; AUD 100,000 - 120,000; Full time

Job summary

Existco PTY LTD in Australia seeks a Senior Full Stack .NET Developer to evolve ExPCS, our plant control and ERP platform used by manufacturing, distribution and logistics customers internationally.

You will maintain VB.NET/WinForms code while designing APIs and backend services for an API-first ecosystem across web, mobile, cloud and desktop.

Collaborating with stakeholders and ensuring seamless ERP and accounting integrations, you will help shape the platform's future direction.

Qualifications

• 8+ years commercial software development experience.
• Strong C# and .NET capability.
• Experience designing and implementing REST APIs.
• Experience integrating software with external systems.
• Excellent collaboration and communication skills.

Responsibilities

• Maintain, enhance and support the ExPCS platform.
• Develop new features across desktop, web and mobile applications.
• Design and implement APIs, integrations and backend services.
• Support and extend integrations with ERP, accounting and third-party systems.
• Work with SQL Server databases and high-volume transactional systems.
• Contribute to the gradual modernization of legacy applications and services.
• Collaborate on architecture, platform improvements and future product direction.
• Troubleshoot and resolve complex technical challenges.

Skills

C#

VB.NET

WinForms

REST APIs

Azure

SQL Server

TypeScript

Tools

Visual Studio

Azure DevOps

Job description

Existco PTY LTD in Australia seeks a Senior Full Stack .NET Developer to evolve ExPCS, our plant control and ERP platform used by manufacturing, distribution and logistics customers internationally.

You will maintain VB.NET/WinForms code while designing APIs and backend services for an API-first ecosystem across web, mobile, cloud and desktop.

Collaborating with stakeholders and ensuring seamless ERP and accounting integrations, you will help shape the platform's future direction.