Principal Software Engineer – Python/Ai Platform

Sustain Recruit; Melbourne; On-site; AUD 150,000 - 190,000; Full time

Job summary

Sustain Recruit in Melbourne is seeking a Principal Software Engineer to help shape an AI-first platform. You’ll stay hands-on while defining engineering standards, architecture and delivery practices for a growing team; contribute to automation, intelligent workflows and agent-based capabilities at scale.

The role focuses on building scalable APIs, cloud-native development in AWS, and partnering with teams to transform how insights are accessed and decisions are made.

Qualifications

• Proven Python and modern development framework expertise.
• Commercial experience with FastAPI, SQL and automated testing.
• Experience designing scalable APIs, complex systems and maintainable platforms.
• Cloud native development within AWS.
• Experience with AI assisted development tools such as GitHub Copilot, Claude or Cursor.

Responsibilities

• Remain hands-on while helping define engineering standards, architecture and delivery practices for a growing team.
• Contribute to the development of an AI-first platform that combines automation, intelligent workflows and agent-based capabilities to solve business challenges at scale.
• Mentor engineers and drive quality through automated testing and scalable API design.

Skills

Python

FastAPI

SQL

Automated testing

API design

AWS

AI tooling

GitHub Copilot

Claude

Cursor

Tools

GitHub Copilot

Claude

Cursor

AWS

Job description

Do you want to join an organisation at a pivotal stage of its technology journey, where a platform that began as a proof of concept is now attracting executive sponsorship and being positioned for rollout across the the wider organisation?

This is an opportunity to help shape the evolution of a strategic AI-enabled platform that is transforming how teams access insights, automate complex processes and make better decisions.

You’ll remain highly hands-on while helping define engineering standards, architecture and delivery practices for a growing team.

You’ll contribute to the development of an AI first platform that combines automation, intelligent workflows, agent-based capabilities and human oversight to solve complex business challenges at scale.

What you’ll bring:

• Expertise in Python and modern development frameworks
• Commercial experience with FastAPI, SQL and automated testing
• Expertise designing scalable APIs, complex systems and maintainable platforms
• Cloud native development within AWS
• Experience with AI assisted development tools such as GitHub Copilot, Claude or Cursor

Principal Software Engineer – Python/AI Platform Melbourne, VIC, AU