Lead Java Backend Architect for High-Scale Payments

Balance Recruitment and Balance Consulting; Sydney; On-site; AUD 180,000 - 260,000; Full time

Job summary

Balance Recruitment and Balance Consulting are seeking a Lead Java Software Engineer to lead backend development for a high-scale payment gateway based in Sydney.

You will design, implement, and deploy Java microservices (Java 17, Spring Boot 3.x), mentor engineers, and drive AI-assisted coding practices to improve quality and velocity.

The role emphasizes reliability, multi-region deployment, and collaboration with product and ops to maintain five-nines availability.

Qualifications

• 10+ years of backend software engineering experience with technical leadership in agile teams.
• Experience with microservices, RESTful APIs, and high-throughput transactional workloads.
• Experience migrating features across modern and legacy platforms.

Responsibilities

• Design, develop and deploy Java microservices for payment gateway.
• Lead PR reviews, mentor engineers, and drive AI-assisted coding adoption.
• Ensure five-nines availability and multi-region deployment reliability.

Skills

Backend architecture

Microservices

Java

Spring Boot

AI-assisted development

Leadership

Education

Bachelor's degree in Computer Science or Engineering

Tools

Docker

Kubernetes

Cloud Foundry

PostgreSQL

Oracle

Claude Code CLI

Git workflows

CI/CD

Job description

Balance Recruitment and Balance Consulting are seeking a Lead Java Software Engineer to lead backend development for a high-scale payment gateway based in Sydney.

You will design, implement, and deploy Java microservices (Java 17, Spring Boot 3.x), mentor engineers, and drive AI-assisted coding practices to improve quality and velocity.

The role emphasizes reliability, multi-region deployment, and collaboration with product and ops to maintain five-nines availability.