Senior Software Developer

GamblingCareers.com; Greater London; On-site; GBP 85,000 - 115,000; Full time

Benefits offered by this job

Robust benefits package

Global career opportunities

World Leader in Gaming Entertainment

Job summary

Aristocrat is seeking a Senior Software Engineer (Backend) in Greater London to design and build scalable, cloud-based services using Java and Spring Boot. You will mentor teammates and influence architectural decisions while delivering production-ready software.

You will lead with strong technical execution, champion best practices, and partner with product to clarify requirements and drive on-time delivery. This role involves on-call rotations and a strong emphasis on system reliability.

Qualifications

• 5–8+ years of professional software development experience.
• Hands-on with Java and Spring Boot backend.
• Experience designing distributed systems.
• Strong understanding of RESTful APIs.
• Ability to work independently on complex technical challenges.

Responsibilities

• Design, build, and maintain backend services with Java and Spring Boot.
• Collaborate with manager and peers to deliver features on time.
• Contribute to system design for scalability and reliability.
• Write clean, well-tested code and participate in code reviews.
• Mentor engineers and address technical debt.
• Support production systems and on-call rotations.

Skills

Java

Spring Boot

Backend development

Distributed systems

RESTful APIs

Problem solving

Communication

Production software

Cloud platforms

Tools

AWS

GCP

Azure

CI/CD

Monitoring tools

Job description

As a Senior Software Engineer (Backend), you will play a key role in designing and building scalable, cloud-based services using Java and Spring Boot. You’ll work closely with your manager, architecture team and teammates to deliver high-quality backend systems that power critical business functionality.

In this role, you are expected to lead by example through strong technical execution, thoughtful system design, and a commitment to engineering excellence. As a senior engineer you will contribute to architectural decisions, mentor other engineers, and help drive continuous improvement across the team.

What You’ll Do

• Design, build, and maintain robust backend services using Java and Spring Boot
• Collaborate with your manager, business units and peers to deliver features on time and aligned with business priorities
• Contribute to system design and architecture discussions, ensuring scalability, reliability, and maintainability
• Write clean, efficient, and well-tested code, and participate actively in code reviews
• Help break down complex problems into actionable technical solutions
• Partner with product and cross-functional stakeholders to clarify requirements and translate them into technical implementations
• Mentor junior engineers and contribute to a culture of learning, ownership, and accountability
• Identify and address technical debt while balancing short-term delivery needs with long-term platform health
• Support production systems, including troubleshooting issues and participating in on-call rotations as needed
• Contribute to improving engineering processes, tools, and best practices

What We're Looking For

• 5–8+ years of professional software development experience
• Strong hands‑on experience building backend systems using Java and Spring Boot
• Experience designing and implementing distributed systems or service‑oriented architectures
• Solid understanding of RESTful APIs and backend service design principles
• Strong problem‑solving skills and ability to work independently on complex technical challenges
• Effective communication skills and ability to collaborate across teams
• Proven track record of delivering high-quality, production-ready software

Nice to Have

• Experience with AI‑based software engineering including agent‑based development, assisted/automated code reviews, etc.
• Experience working with cloud platforms such as AWS, GCP, or Azure
• Experience with microservices and event‑driven architectures
• Familiarity with CI/CD pipelines, infrastructure as code, and DevOps practices
• Experience with performance optimization, scalability, and reliability engineering
• Prior experience mentoring or leading other engineers
• Exposure to observability tools, monitoring, and on‑call practices

Why Aristocrat?

Aristocrat is a world leader in gaming content and technology, and a top‑tier publisher of free‑to‑play mobile games. We deliver great performance for our B2B customers and bring joy to the lives of the millions of people who love to play our casino and mobile games. And while we focus on fun, we never forget our responsibilities. We strive to lead the way in responsible gameplay, and to lift the bar in company governance, employee wellbeing and sustainability. We’re a diverse business united by shared values and an inspiring mission to bring joy to life through the power of play.

We aim to create an environment where individual differences are valued, and all employees have the opportunity to realize their potential. We welcome and encourage applications from all people regardless of age, gender, race, ethnicity, cultural background, disability status or LGBTQ+ identity. EEO M/F/D/V

• World Leader in Gaming Entertainment
• Robust benefits package
• Global career opportunities

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.