Senior Python Engineer: AI-Driven SaaS & FastAPI

Software at Scale; Sydney; On-site; AUD 150,000 - 190,000; Full time

Benefits offered by this job

Claude Code access (no token limits)

AWS infrastructure exposure

Competitive remuneration

Mentorship and growth opportunities

Job summary

Software at Scale seeks an AI-Empowered Senior Python Engineer to build and maintain a core SaaS platform written in Python. You will design RESTful APIs with FastAPI, integrate external AI models, and drive architecture decisions across teams.

You will explore AI-powered tooling, mentor peers, and own deployment pipelines on AWS, aiming for scalable, secure, and high-performance software delivery.

Qualifications

• Backend Python expert with deep knowledge of async programming and patterns.
• Experience designing and scaling multi-tenant SaaS platforms.
• Proficient in integrating external AI models and APIs.

Responsibilities

• Architect, build, and scale production-grade RESTful APIs using FastAPI.
• Integrate multiple AI models and enable AI-driven features in the SaaS platform.
• Develop A2A communication protocols for autonomous services.
• Lead refactoring efforts and mentor mid-level engineers.

Skills

Python

Backend architecture

Async programming

SaaS design

Code reviews

Tools

FastAPI

Claude Code

AWS

CI/CD pipelines

LLM integration

Job description

Software at Scale seeks an AI-Empowered Senior Python Engineer to build and maintain a core SaaS platform written in Python. You will design RESTful APIs with FastAPI, integrate external AI models, and drive architecture decisions across teams.

You will explore AI-powered tooling, mentor peers, and own deployment pipelines on AWS, aiming for scalable, secure, and high-performance software delivery.