Backend Developer - Design & Math

Backend Developer - Design & Math

Yggdrasil Gaming

Krakow, Poland

About the role

• Developing the backend and mathematical models for Game in the Box solutions, including implementation of game logic, computational systems, and integration with other system components;
• Maintaining and developing game designs used in projects;
• Implementing new game-related functionalities;
• Preparing and executing unit and integration tests;
• Designing game functionalities in accordance with licensing regulations;
• Designing and developing game mechanics and game projects supporting ongoing initiatives;
• Creating project and technical documentation;
• Collaborating with project teams and developers on the integration and implementation of game projects;
• Conceptualizing and implementing new game projects within defined requirements and constraints;
• Verifying the correctness of game designs, ensuring their alignment and optimization;
• Analyzing game-related data to identify new mechanics and industry trends;
• Evaluating game performance after deployment and providing insights into player behavior;
• Conducting analyses to detect irregularities and proposing corrective solutions.

Key Skills

• 2–3 years of commercial backend development experience (e.g. Java/Kotlin/TypeScript/Node.js or C#)
• Strong mathematical skills, including a solid understanding of probability, statistics, and algorithms
• Mathematical intuition and the ability to build, run, and interpret simulation results
• Hands-on experience with unit and integration testing
• Strong collaboration skills and experience working in agile, cross-functional teams
• Good command of English (written and spoken)
• Genuine passion for games and commitment to delivering high-quality software

Nice to have

• Experience with backend development for online casino/iGaming products
• Familiarity with video slot mechanics and slot math models (RTP, volatility, hit frequency, pay tables)
• Experience designing game mechanics or mathematical models for games
• Ability to test and validate mathematical outcomes using MS Excel, programming, and proprietary tools to guarantee accuracy and quality
• Understanding of Docker and containerization
• Understanding of licensing and regulatory requirements in regulated gaming markets
• Ability to test and validate mathematical outcomes using MS Excel, programming, and proprietary tools to guarantee accuracy and quality