Senior Software Engineer: AI-Driven Payments Platform

Australian Payments Plus; Sydney; On-site; AUD 140,000 - 200,000; Full time

Job summary

Australian Payments Plus is seeking a Senior Software Engineer to design and build secure, scalable software powering Australia’s payments infrastructure. You’ll work across the full SDLC, influence tech direction, and champion modern practices, including Agentic-AI tooling to boost productivity and quality.

You will collaborate with Product, Architecture, Security and Operations, mentoring engineers and shaping our engineering trajectory.

Qualifications

• 5+ years of software development experience in Java, TypeScript or C#.
• Bachelor's degree in Computer Science, Software Engineering or related field.
• Experience delivering complex software solutions in senior roles.
• Experience building scalable distributed systems and cloud-native apps.
• Deep understanding of secure software practices and OWASP risks.
• Experience using Agentic AI enabled engineering tools for development.
• Strong design skills and ability to trade-off architecture decisions.
• Experience in cross-functional teams with Product, Architecture and QA.

Responsibilities

• Design, build and maintain secure, scalable software components and APIs.
• Lead complex software architecture and distributed systems.
• Drive engineering excellence with secure coding and code reviews.
• Improve delivery through CI/CD, automation, and cloud-native tech.
• Leverage AI-powered tools to accelerate coding, testing and docs.
• Collaborate with Product, Architecture, Security and Operations.
• Mentor junior engineers and uphold engineering standards.
• Influence future direction of AP+'s engineering capability.

Skills

Java

TypeScript

C#

AWS

Docker

Kubernetes

CI/CD

Infrastructure-as-Code

Education

Bachelor's degree in Computer Science or Software Engineering

Tools

AWS

Docker

Kubernetes

CI/CD pipelines

Infrastructure-as-Code

Job description

Australian Payments Plus is seeking a Senior Software Engineer to design and build secure, scalable software powering Australia’s payments infrastructure. You’ll work across the full SDLC, influence tech direction, and champion modern practices, including Agentic-AI tooling to boost productivity and quality.

You will collaborate with Product, Architecture, Security and Operations, mentoring engineers and shaping our engineering trajectory.