Posted on 
Sep 23, 2025

Java Developer

London
Aristocrat
Aristocrat
Aristocrat
Public
5001+
Technology

Aristocrat is a global entertainment and content creation company powered by technology to deliver world-leading casino and mobile games. Aristocrat offers a diverse range of products and services including electronic gaming machines, casino management systems, free-to-play mobile games and online real money games. 

Job Description

Join Aristocrat as a Java Developer and be a pivotal part of a team crafting the future of gaming technology. As an ambitious and forward-thinking company, Aristocrat aims to build world-class gaming experiences for millions of users globally. Your role will be crucial in driving innovation and excellence in our Backend-as-a-Service (BaaS) offering, ensuring we remain ahead in the competitive gaming industry. This is an outstanding opportunity to work with a diverse and inclusive team, dedicated to delivering flawless solutions and continuously improving our systems. If you are passionate about technology and eager to contribute to a dynamic and collaborative environment, we want to hear from you!

What You'll Do

  • Work independently across multiple squads in the same project, offering technical expertise and mentorship.
  • Collaborate with senior team members to build, develop, and maintain backend services and APIs using Java and cloud-native technologies.
  • Develop actionable development tasks that drive iterative progress for product delivery and the team.
  • Apply principles of domain-driven design to develop a well-organized and sustainable codebase.
  • Build and manage microservices architecture, ensuring services are scalable, reliable, and secure.
  • Work with cross-functional teams, including third-party integrations, product managers, QA, solution architects, infrastructure, and DevOps, to deliver high-quality software solutions.
  • Write clean, maintainable, and efficient code following guidelines and coding standards.
  • Perform code reviews, providing constructive feedback to peers.
  • Continuously improve existing systems by identifying and implementing performance optimizations and refactoring opportunities.
  • Ensure robust testing and validation of software through unit testing, integration testing, contract testing, and automated testing frameworks.
  • Participate in agile development processes, including sprint planning, stand-ups, and retrospectives.
  • Stay up to date with new technologies and industry trends and apply this knowledge to improve our development practices.

What We're Looking For

  • Solid understanding of cloud-native development and experience with cloud platforms such as Google Cloud (preferable), AWS, or Azure.
  • Proficiency in applying domain-focused creation (DFC) to software development.
  • Strong knowledge of microservices architecture and experience in building and deploying microservices.
  • Proficiency in RESTful API development and construction.
  • Experience with event-driven architecture and messaging systems (e.g., Kafka, RabbitMQ, Google Pub/Sub).
  • Experience with containerization technologies such as Docker and orchestration tools like Kubernetes.
  • Familiarity with database technologies, especially NoSQL (e.g., MongoDB or equivalent experience).
  • Strong understanding of solid engineering principles, including SOLID, DRY, and KISS.
  • Knowledge of Software & Cloud development patterns, especially Strangler Fig.
  • Experience with version control systems (e.g., Git) and CI/CD pipelines (e.g., GitHub Actions, Gradle, Maven, ArgoCD).
  • Outstanding proficiency in addressing challenges and being adept at both independent and teamwork.
  • Pro-active, self-starter, and able to work autonomously.
  • Good working knowledge of the core Spring libraries.
  • Understanding of communication protocols, such as REST and WebSockets.
  • Testing guidelines, including both unit and integration testing.

Preferred Skills and Experience

  • Understanding security guidelines in software development and cloud environments.
  • Familiarity with monitoring and logging tools (e.g., Grafana).
  • Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent experience).
  • Certification in cloud platforms (e.g., AWS Certified Solutions Architect, Google Cloud Professional).
  • Experience working on high-volume, highly available websites.

Company Summary

Aristocrat Interactive

Aristocrat Interactive is Aristocrat Leisure Limited’s (ASX:ALL) regulated online Real Money Gaming (RMG) business and was formed in 2024 when the Anaxi and NeoGames businesses (Anaxi, NeoGames, Aspire Global, BtoBet, and Pariplay) came together.  The business is an industry leader in content and technology solutions for online RMG, with a full-service offering that includes content, proprietary technology platforms and a range of value added services across iLottery, iGaming and Online Sports Betting (OSB).

About Aristocrat

Aristocrat Leisure Limited (ASX: ALL) is a leading gaming content creation company powered by technology to deliver industry-leading casino games together with mobile games and online real money games, collectively entertaining millions of players worldwide, every day. Headquartered in Sydney, Australia, Aristocrat has three operating business units, spanning regulated land-based gaming (Aristocrat Gaming), social casino (Product Madness) and regulated online real money (Aristocrat Interactive). Our team of over 8,500 people across the globe are united by our company mission to bring joy to life through the power of play.

Our Values

  • All about the Player
  • Talent Unleashed
  • Collective Brilliance
  • Good Business Good Citizen

Travel Expectations

None

Additional Information

At this time, we are unable to sponsor work visas for this position. Candidates must be authorized to work in the job posting location for this position on a full-time basis without the need for current or future visa sponsorship.

Join Aristocrat as a Java Developer and be a pivotal part of a team crafting the future of gaming technology. As an ambitious and forward-thinking company, Aristocrat aims to build world-class gaming experiences for millions of users globally. Your role will be crucial in driving innovation and excellence in our Backend-as-a-Service (BaaS) offering, ensuring we remain ahead in the competitive gaming industry. This is an outstanding opportunity to work with a diverse and inclusive team, dedicated to delivering flawless solutions and continuously improving our systems. If you are passionate about technology and eager to contribute to a dynamic and collaborative environment, we want to hear from you!

What You'll Do

  • Work independently across multiple squads in the same project, offering technical expertise and mentorship.
  • Collaborate with senior team members to build, develop, and maintain backend services and APIs using Java and cloud-native technologies.
  • Develop actionable development tasks that drive iterative progress for product delivery and the team.
  • Apply principles of domain-driven design to develop a well-organized and sustainable codebase.
  • Build and manage microservices architecture, ensuring services are scalable, reliable, and secure.
  • Work with cross-functional teams, including third-party integrations, product managers, QA, solution architects, infrastructure, and DevOps, to deliver high-quality software solutions.
  • Write clean, maintainable, and efficient code following guidelines and coding standards.
  • Perform code reviews, providing constructive feedback to peers.
  • Continuously improve existing systems by identifying and implementing performance optimizations and refactoring opportunities.
  • Ensure robust testing and validation of software through unit testing, integration testing, contract testing, and automated testing frameworks.
  • Participate in agile development processes, including sprint planning, stand-ups, and retrospectives.
  • Stay up to date with new technologies and industry trends and apply this knowledge to improve our development practices.

What We're Looking For

  • Solid understanding of cloud-native development and experience with cloud platforms such as Google Cloud (preferable), AWS, or Azure.
  • Proficiency in applying domain-focused creation (DFC) to software development.
  • Strong knowledge of microservices architecture and experience in building and deploying microservices.
  • Proficiency in RESTful API development and construction.
  • Experience with event-driven architecture and messaging systems (e.g., Kafka, RabbitMQ, Google Pub/Sub).
  • Experience with containerization technologies such as Docker and orchestration tools like Kubernetes.
  • Familiarity with database technologies, especially NoSQL (e.g., MongoDB or equivalent experience).
  • Strong understanding of solid engineering principles, including SOLID, DRY, and KISS.
  • Knowledge of Software & Cloud development patterns, especially Strangler Fig.
  • Experience with version control systems (e.g., Git) and CI/CD pipelines (e.g., GitHub Actions, Gradle, Maven, ArgoCD).
  • Outstanding proficiency in addressing challenges and being adept at both independent and teamwork.
  • Pro-active, self-starter, and able to work autonomously.
  • Good working knowledge of the core Spring libraries.
  • Understanding of communication protocols, such as REST and WebSockets.
  • Testing guidelines, including both unit and integration testing.

Preferred Skills and Experience

  • Understanding security guidelines in software development and cloud environments.
  • Familiarity with monitoring and logging tools (e.g., Grafana).
  • Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent experience).
  • Certification in cloud platforms (e.g., AWS Certified Solutions Architect, Google Cloud Professional).
  • Experience working on high-volume, highly available websites.

Company Summary

Aristocrat Interactive  

Aristocrat Interactive is Aristocrat Leisure Limited’s (ASX:ALL) regulated online Real Money Gaming (RMG) business and was formed in 2024 when the Anaxi and NeoGames businesses (Anaxi, NeoGames, Aspire Global, BtoBet, and Pariplay) came together.  The business is an industry leader in content and technology solutions for online RMG, with a full-service offering that includes content, proprietary technology platforms and a range of value added services across iLottery, iGaming and Online Sports Betting (OSB). 

About Aristocrat

Aristocrat Leisure Limited (ASX: ALL) is a leading gaming content creation company powered by technology to deliver industry-leading casino games together with mobile games and online real money games, collectively entertaining millions of players worldwide, every day. Headquartered in Sydney, Australia, Aristocrat has three operating business units, spanning regulated land-based gaming (Aristocrat Gaming), social casino (Product Madness) and regulated online real money (Aristocrat Interactive). Our team of over 8,500 people across the globe are united by our company mission to bring joy to life through the power of play.

Our Values

  • All about the Player

  • Talent Unleashed

  • Collective Brilliance

  • Good Business Good Citizen

Travel Expectations

None

Additional Information

At this time, we are unable to sponsor work visas for this position. Candidates must be authorized to work in the job posting location for this position on a full-time basis without the need for current or future visa sponsorship.

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