Senior Software Developer (.NET / Python)

Location: Brisbane, Australia; hybrid working with 3 days in the office and 2 days working from home.

Salary: AUD 130,000–150,000 per annum for senior developers. Mid-level salary: AUD 120,000–125,000.

Company

Growing national Internet Service Provider with an in-house development team building and maintaining core systems across CRM, APIs, customer portals, websites, and network integrations.

What you will do

• Build and maintain Python APIs and .NET applications.
• Develop third-party API integrations connecting nbn, wholesale carriers, internal networks, and Microsoft 365.
• Automate workflows and customer service processes.
• Modernise existing .NET Framework systems and develop customer portals and self-service solutions.
• Work directly with network, support, operations, users, and operational teams.

Requirements

• Strong commercial experience with Python and/or C#/.NET.
• Experience with REST APIs and third-party integrations.
• Strong knowledge of relational databases.
• Comfort working with Linux.
• Experienced developers with strong Python or .NET backgrounds and integration experience are invited to apply.

Nice to have

• Telco, networking, or ISP experience.
• Experience with AI coding tools.
• Experience with Django, FastAPI, Vue, Docker, or CI/CD.

Culture & Benefits

• Hybrid schedule with 3 office days and 2 work-from-home days.
• Hands-on ownership with direct access to users and operational teams.
• Opportunity to influence a mature .NET platform and a growing Python backend.
• Strong exposure to automation and modern AI tooling.

Hiring process

• Apply with a CV as soon as possible to be considered.