Senior Platform Engineer (Software)

Senior Platform Engineer role at an AI and lending technology business in Sydney. The role involves owning AWS infrastructure and building backend application code with TypeScript and Node.js.

• Own and provision AWS infrastructure hands on - VPC, IAM, Secrets Manager, security groups, CI/CD
• Design and maintain secure, production grade cloud environments from the ground up
• Build and ship backend application code in TypeScript and Node.js
• Raw SQL on PostgreSQL - joins, aggregations, query optimisation
• Mentor mid and junior engineers and act as the primary technical point of contact for the business

• Genuinely owned AWS infrastructure in production - not handed it to a DevOps team
• Strong hands on experience with VPC design, IAM, network security and CI/CD pipelines built from scratch
• Solid backend engineering capability in TypeScript or Node.js
• Comfortable writing production grade application code alongside infrastructure ownership
• Clear communicator who can lead technically and bring others along
• Python and FastAPI a genuine plus