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Jobs / Relax Gaming / Junior Java Game Developer (Slots)
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Posted 2026-05-06

Junior Java Game Developer (Slots)

Description

At Relax Gaming, we offer you the chance to take on exciting challenges that will help you grow in your career. We are looking for a Junior Java Game Developer (Slots) to build backend logic for online slot games. This is NOT a Unity/Unreal Engine or frontend role - you’ll work on implementing Java server-side slot game logic based on mathematical models and RNG systems. You'll work with experienced developers to build game logic and backend systems that handle massive real-money transactions and real-time RNG simulations. Our primary technology stack revolves around Java, but we are also integrating new technologies into our environment and are open to exploring other technologies/experiences that you can bring with you.

Responsibilities
  • Bring slot/crash games to life by implementing basic game logic based on design specifications and mathematical models.
  • Navigating global standards: understand certification requirements across markets and implement logic accordingly, in collaboration with mathematicians.
  • Code smarter, together by collaborating with other server developers and actively sharing knowledge to uplift the entire team.
  • Boost performance, improve the quality, speed, and stability of our game server, internal tools, and shared libraries.
  • Raise the bar with rigorous code audits, so our game engines are rock-solid, secure, and fully tested.
Requirements
  • Fluency in OOP languages: at least 2 years of experience in languages such as Java.
  • Design-savvy: solid understanding of software design principles and architecture best practices.
  • Sharp problem solver: thrives on tackling complex challenges with clarity and precision.
  • Performance-oriented: skilled at optimizing algorithms for speed, efficiency, and scalability.
  • Strong mathematical foundation: understanding of probabilistic mathematics and its real-world application in games.
  • A bachelor's degree in computer science (or equivalent) is preferred.
  • Experience working at a game provider and knowledge of slot machines
  • Expertise in algorithm optimization
  • Passion for gaming
  • Experience using Java
  • A strong understanding of probabilistic mathematics
About Relax Gaming

Relax Gaming is a business-to-business iGaming supplier and content aggregator, founded in 2010 and headquartered in Malta. It develops its own slots, poker and bingo products and distributes thousands of third-party casino games through its Silver Bullet and Powered By partner programmes. Owned by the Kindred Group (now part of FDJ United), the company runs game studios in Belgrade, Novi Sad, Malmö and Stockholm, with additional offices across Europe and Gibraltar. Relax Gaming supplies regulated online casino operators worldwide.

Read more about Relax Gaming →

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