Sr. Java Developer

Showtime Consulting Pty Ltd; Canberra; On-site; AUD 120,000 - 180,000; Full time

Benefits offered by this job

Referral reward

Job summary

Showtime Consulting Pty Ltd is actively seeking a Senior Java Developer to design, develop, and maintain scalable enterprise applications using Core Java, Spring, and Spring Boot. The role requires 5+ years of hands-on Java development, with strong REST API and microservices experience.

You will collaborate with delivery teams to deliver high-quality software in secure cloud and defence-focused projects. The successful candidate will work on RESTful services, backend systems, and

Qualifications

• Minimum 5 years’ hands-on Java development experience.
• Strong Core Java development skills.
• Hands-on experience designing and building REST APIs.
• Strong experience with Spring and Spring Boot.
• Solid understanding of microservices-based architecture.
• Strong understanding of Java object-oriented programming principles.
• Good understanding of entity relationship management.
• Hands-on experience with Maven.
• Understanding of commonly used Java design patterns.

Responsibilities

• Design, develop, and maintain enterprise applications using Core Java.
• Build and maintain REST APIs and backend services.
• Develop applications and services using Spring and Spring Boot.
• Contribute to the design and development of microservices-based applications.
• Apply object-oriented programming principles and Java design patterns.
• Work with entity relationships and application data models.
• Manage application builds and dependencies using Maven.
• Develop clean, maintainable, and high-quality Java code.
• Troubleshoot application issues and provide effective technical solutions.
• Collaborate with technical and delivery teams throughout the software development lifecycle.

Skills

Java

Core Java

REST API

Spring Boot

Microservices

Maven

OOP

Design Patterns

Job description

Are you ready to be a part of a team that's redefining ultra-secure cloud solutions?

Join a team that’s shaping the future of cloud and cybersecurity.

At Showtime Consulting, we don’t just build ultra-secure cloud solutions—we enable organisations to thrive in the most challenging high-threat environments. If you’re truly passionate about innovation, security, and making a real impact, you’re in the right place.

We deliver security where it matters most—protecting national infrastructure, defence, and mission-critical operations. Our solutions are trusted by leading organisations, and our team is at the forefront of innovation in ultra-secure cloud and cross-domain security.

Our people are specialists in secure cloud, defence technology, and insider risk mitigation. We thrive in high-stakes environments, where cybersecurity isn’t just a requirement—it’s mission-critical. If you’re ready to contribute to industry-leading projects and grow in a company that values trust, innovation, and resilience, explore our open roles today.

Open Roles

We Are Always Looking For Talented Individuals.
Explore Our Current Opportunities And Find A Role That Matches Your Expertise.

Sydney

Company Description
Showtime Consulting is a leading provider of Shielded Cloud and Digital Solutions across Australia and New Zealand. We specialise in delivering secure, enterprise-scale technology solutions across cloud, infrastructure, cybersecurity, business applications, and digital transformation programs.
We partner with government and enterprise organisations to build high-performing technology teams that deliver scalable, efficient, and future-ready business solutions.
The Role
We are seeking an experienced Senior Java Developer to design, develop, and maintain scalable enterprise applications using Core Java, Spring, and Spring Boot.
This role is ideal for a hands-on developer with a minimum of 5 years’ Java development experience and strong expertise building REST APIs and microservices-based applications.
You will work closely with technical and delivery teams to develop high-quality software solutions while contributing to application design, development, testing, and continuous improvement.
Key Responsibilities

• Design, develop, and maintain enterprise applications using Core Java.
• Build and maintain REST APIs and backend services.
• Develop applications and services using Spring and Spring Boot.
• Contribute to the design and development of microservices-based applications.
• Apply object-oriented programming principles and Java design patterns.
• Work with entity relationships and application data models.
• Manage application builds and dependencies using Maven.
• Develop clean, maintainable, and high-quality Java code.
• Troubleshoot application issues and provide effective technical solutions.
• Collaborate with technical and delivery teams throughout the software development lifecycle.

What You'll Need

• Minimum 5 years’ hands-on Java development experience.
• Strong Core Java development skills.
• Hands-on experience designing and building REST APIs.
• Strong experience with Spring and Spring Boot.
• Solid understanding of microservices-based architecture.
• Strong understanding of Java object-oriented programming principles.
• Good understanding of entity relationship management.
• Hands-on experience with Maven.
• Understanding of commonly used Java design patterns.
• Strong analytical, troubleshooting, and problem-solving skills.

Preferred Skills

• Experience developing enterprise-scale Java applications.
• Strong understanding of API and microservices design principles.
• Experience working throughout the software development lifecycle.
• Experience collaborating within cross-functional software delivery teams.

We Are Always Looking For Top Talent In Cybersecurity, Cloud, And Defence Tech.

Build solutions that protect defence, national security, and enterprise clients.

At Showtime Consulting, We Hire And Develop The Best Minds In Cybersecurity.

Our Values Shape Everything We Do

Security

Essential for protecting sensitive information and ensuring the company's technology cannot be compromised.

Critical for building trust with stakeholders and maintaining ethical standards in all operations, especially in such sensitive sectors.

Necessary for staying ahead of technological advancements and threats, ensuring solutions are cutting-edge and effective.

Demonstrates dedication to the mission, the safety and security of clients’ data, and the success of their operations.

Important for providing reliable and consistent service, which is crucial for defense and intelligence operations that depend on continuity and dependability.

Fuels the drive to excel, innovate, and overcome challenges. It's the emotional investment in the mission and the work, which can inspire teams and lead to exceptional outcomes.

Know someone looking for their next career move? At Showtime Consulting , we’re always on the lookout for top talent. If you refer a friend or colleague who successfully secures a role with us, we’ll reward you with a $500 voucher as a thank-you.

How It Works:

• Submit a Referral – Fill out our quick referral form with your details and your friend’s contact information.
• We Connect – Our recruitment team will reach out to them to discuss suitable opportunities.
• They Get Hired – If your referral successfully lands a role through Showtime Consulting, you get rewarded!

Secure Your Cloud, Empower Your Mission with S.H.I.E.L.D

The power of ultra-secure cloud solutions tailored to your unique needs. Experience unmatched security, efficiency, and agility with Showtime Consulting's S.H.I.E.L.D framework.

Pioneers of SHIELDEDCloud Solutions
Protecting Operations in Hostile and Sensitive Environments