Senior Backend Engineer - Java/Spring Boot, Lead & Mentor

Senior Backend Engineer - Java/Spring Boot, Lead & Mentor

Full-Time 60000 - 80000 £ / year (est.) No working from home possible
Aristocrat

At a Glance

  • Tasks: Design and build scalable backend services using Java and Spring Boot.
  • Company: Join Aristocrat, a leader in gaming technology and mobile games.
  • Benefits: Competitive salary, diverse culture, and opportunities for growth.
  • Other info: Embrace a culture of learning and innovation in a dynamic environment.
  • Why this job: Lead and mentor while making a real impact in the gaming industry.
  • Qualifications: 5-8+ years in software development with strong Java and Spring Boot skills.

The predicted salary is between 60000 - 80000 £ per year.

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.

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.

Senior Backend Engineer - Java/Spring Boot, Lead & Mentor employer: Aristocrat

Aristocrat is an exceptional employer that fosters a culture of innovation and collaboration, making it an ideal place for Senior Backend Engineers to thrive. With a commitment to employee wellbeing and professional growth, you will have the opportunity to lead and mentor while working on cutting-edge technology in a diverse environment. Our focus on responsible gameplay and community engagement ensures that your work contributes to meaningful outcomes, all while enjoying the benefits of a supportive and inclusive workplace.

Aristocrat

Contact Details:

Aristocrat Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Backend Engineer - Java/Spring Boot, Lead & Mentor

Tip Number 1

Network like a pro! Reach out to your connections in the industry, attend meetups, and engage in online communities. You never know who might have the inside scoop on job openings or can refer you directly.

Tip Number 2

Show off your skills! Create a portfolio showcasing your projects, especially those using Java and Spring Boot. This gives potential employers a taste of what you can do and sets you apart from the crowd.

Tip Number 3

Prepare for technical interviews by brushing up on your coding skills and system design principles. Practice common interview questions and consider mock interviews with friends or mentors to build confidence.

Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, we love seeing candidates who are genuinely interested in joining our team at Aristocrat.

We think you need these skills to ace Senior Backend Engineer - Java/Spring Boot, Lead & Mentor

Java
Spring Boot
Backend Systems Development
Distributed Systems Design
Service-Oriented Architectures
RESTful APIs
Problem-Solving Skills

Some tips for your application 🫡

Tailor Your CV:Make sure your CV highlights your experience with Java and Spring Boot. We want to see how you've designed and built scalable backend systems, so don’t hold back on those details!

Show Off Your Problem-Solving Skills:In your application, give examples of complex technical challenges you've tackled. We love seeing how you break down problems and come up with actionable solutions.

Highlight Your Mentorship Experience:As a senior engineer, mentoring is key! Share any experiences where you've guided junior engineers or contributed to a culture of learning. It shows us you're not just about the code, but also about the team.

Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to get your application and ensures you’re considered for this exciting role!

How to prepare for a job interview at Aristocrat

Know Your Tech Inside Out

Make sure you brush up on your Java and Spring Boot skills. Be ready to discuss your past projects in detail, especially those involving backend systems. Prepare to explain your design choices and how they contributed to scalability and maintainability.

Showcase Your Leadership Skills

As a senior engineer, you'll be expected to lead and mentor others. Think of examples where you've guided junior engineers or contributed to team improvements. Highlight your ability to communicate effectively and foster a culture of learning.

Prepare for System Design Questions

Expect questions about system architecture and design principles. Practice breaking down complex problems into actionable solutions. Be ready to discuss RESTful APIs and how you ensure reliability and performance in your designs.

Demonstrate Problem-Solving Prowess

Be prepared to tackle technical challenges during the interview. Think through your approach to troubleshooting and resolving issues in production systems. Share specific examples of how you've identified and addressed technical debt in previous roles.