Back End developer

Posted 4 Hours Ago
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Warsaw, Warszawa, Mazowieckie, POL
Hybrid
Senior level
Gaming • Internet of Things • Machine Learning • Software
We're bringing joy to life through the power of play.
The Role
Develop scalable, asynchronous, cloud-based, event-driven back-end systems using Java and Spring Boot. Responsibilities include improving performance and scalability, collaborating with front-end and QA teams, advancing Agile development, conducting code reviews, using AI tools, and troubleshooting complex technical issues.
Summary Generated by Built In

At Aristocrat, we are inventing the future of gaming through our innovative solutions and powerful technology. You will join the core Research and Development team as a Back End Developer, contributing to scalable, asynchronous, cloud-based, and event-driven systems. This position is ideal for those passionate about designing seamless software solutions and crafting world-class back-end systems.


This is a hybrid position based in Warsaw. Team members are required to be in the office three days per week, with flexibility to select their in-office days based on personal preference and business needs.

Our dynamic culture encourages cooperation, diversity, and continual progress, ensuring that every team member is empowered to make significant contributions. By joining us, you'll enjoy working with motivated professionals, nurturing a spirit of collective brilliance. At Aristocrat, we are committed to your growth and success, equipping you with the tools and assistance required to excel in a fast-paced environment.


What You'll Do
  • Engineer outstanding software development and innovative back-end builds.
  • Implement sophisticated back-end solutions to improve system performance and scalability.
  • Encourage collaboration across R&D teams to refine software development processes within the SDLC.
  • Advance Agile practices through collaborative efforts with Front-End engineers and Quality Assurance teams.
  • Assure excellence in code through detailed reviews.
  • Use AI-powered tools to improve efficiency, streamline processes, and support data-driven decision-making.
  • Troubleshoot and rectify complex technical challenges.

What We're Looking For
  • Hold a bachelor’s degree in computer science or a related field.
  • 6+ years of experience as a software developer.
  • Proficient in Java and Spring Boot frameworks.
  • Openness to AI tools and willingness to adapt to an environment using AI: must have.
  • Proficient with NoSQL databases, especially MongoDB or equivalent experience.
  • Experienced with SQL databases, notably Postgres: beneficial.
  • Proficiency with Kafka and Redis is a strong asset.
  • A solid grasp of microservices architecture, reactive programming, and big data insights is highly advantageous.
  • A background with Kubernetes is beneficial.

Join us at Aristocrat and become part of a team dedicated to bringing happiness to life through the power of play!


This job description may have been reviewed and enhanced using AI-assisted tools to improve clarity, consistency, and inclusivity. All final content, role requirements and hiring decisions remain subject to human review and approval by Aristocrat.

Compensation Philosophy

We offer a comprehensive pay and benefits package designed to stay competitive in the market, support your wellbeing, and recognise your contribution to our success. Our approach is underpinned by a pay-for-performance belief in rewarding individual impact. Your specific compensation package will be determined by factors such as your skills, experience, qualifications, and location.

Depending on your role and location, you may be eligible for annual bonuses and incentives, health and wellbeing benefits, paid time off, retirement plans, insurance coverage, and other local or statutory benefits.

Specific details about compensation and benefits for this position will be discussed during the recruitment process.

Skills Required

  • Bachelor's degree in computer science or a related field
  • 6+ years of experience as a software developer
  • Proficiency in Java and Spring Boot
  • Openness to AI tools and willingness to work in an AI-enabled environment
  • Proficiency with NoSQL databases, especially MongoDB, or equivalent experience
  • Experience with SQL databases, notably PostgreSQL
  • Proficiency with Kafka and Redis
  • Understanding of microservices architecture, reactive programming, and big data insights
  • Experience with Kubernetes

Aristocrat Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Aristocrat and has not been reviewed or approved by Aristocrat.

  • Healthcare Strength — Healthcare coverage is described as robust, with medical, dental, and vision options that are frequently highlighted alongside wellness resources. Feedback suggests these benefits are a core strength of the package.
  • Retirement Support — A 401(k) with employer matching is commonly noted, with match levels reported around 4–5% depending on plan or period. This is seen as a solid foundation for long-term savings.
  • Parental & Family Support — Paid parental leave plus adoption and surrogacy assistance are referenced as part of the offering. These benefits contribute to a family-friendly reputation.

Aristocrat Insights

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The Company
HQ: Las Vegas, NV
6,500 Employees

What We Do

Aristocrat Leisure Limited is an ASX20 listed company and one of the world’s leading providers of gaming solutions. We’re licensed in over 300 jurisdictions and operate in over 90 countries around the world. We’re also proud to have a team of over 6500 employees that deliver outstanding results by pushing the boundaries of innovation, creativity and technology each day. We offer a diverse range of products and services including electronic gaming machines, social gaming and casino management systems, but it doesn’t stop there. Despite our global presence and exponential growth, we remain an ideas company at heart that is committed to delivering outstanding results for our customers and players and an unparalleled experience for our employees, who have the opportunity to grow, be inspired and be the best they can be. Our values of Talent Unleashed, All About the Player, Collective Brilliance and Good Business, Good Citizen guide and inspire us to live our mission of bringing joy to life through the power of play – every day. Come and join us – let’s play!

Why Work With Us

Individually we’re great, but together we’re brilliant. Our employees are the beating heart of our business and we attract the best people in the industry thanks to our unique and inspiring culture. Come and join the team and help bring joy to life through the power of play.

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