Principal Software Engineer (Java)

TL;DR

Principal Software Engineer (Java): Driving the technical modernization and innovation of MineStar software systems with an accent on transitioning legacy Java/J2EE applications to cloud-native architectures. Focus on designing scalable microservices, implementing AI-driven engineering practices, and leading high-impact architectural proofs-of-concept.

Location: Onsite in Brisbane, Australia (5 days a week). Visa sponsorship is not available.

Company

A global leader in constructing and mining equipment, creating sustainable communities through technical innovation and engineering excellence.

What you will do

• Lead strategic modernization of legacy Java/J2EE platforms to cloud-native and scalable architectures.
• Define target architecture patterns and design principles for modernization efforts.
• Develop and execute proof-of-concepts (POCs) to evaluate new technologies and architectural patterns.
• Mentor engineers on object-oriented design and modern software engineering practices.
• Collaborate with DevOps and platform teams to optimize CI/CD and containerization using Kubernetes and Docker.
• Integrate AI and automation into engineering workflows to increase developer productivity and delivery speed.

Requirements

• 10+ years of experience in software engineering with strong technical leadership.
• Deep expertise in Java/J2EE, Spring frameworks, and REST/JSON APIs.
• Proven experience modernizing legacy enterprise applications into microservices-based architectures.
• Strong proficiency with Postgres, SQL/NoSQL, and data access technologies like JPA, Hibernate, and JDBC.
• Experience with Docker, Kubernetes, Git, and Maven.
• Must be based in Australia; no visa sponsorship provided for this role.

Nice to have

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field.
• Experience with software systems in autonomous vehicles, mining, or similar industrial domains.
• Knowledge of machine-to-cloud and edge-to-cloud communication protocols in distributed platforms.

Culture & Benefits

• Competitive remuneration package including bonuses and share options.
• Career development with global prospects within a large corporation.
• Inclusive workplace culture with a strong commitment to diversity, safety, and wellbeing.
• Access to a SMART spending app.
• Supportive and constructive environment that encourages professional growth and talent utilization.