Backend Developer - Design & Math
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Backend Developer - Design & Math
Location
Kraków, Lesser Poland Voivodeship, Poland
Experience
Mid
Posted
Jul 10, 2026
Apply by
August 9, 2026
Applicants
0
Early applicantFull-timeHybrid
Job Description
## Company Description
At Yggdrasil Gaming, we are known for transforming ideas into groundbreaking gaming experiences. With innovation at the heart of everything we do, we’ve built a reputation for creating some of the most iconic slots in the iGaming world. Recently, we’ve taken our vision even further, becoming one of the largest global aggregators and a leading technology company, redefining what’s possible in the industry.
Our success is driven by the exceptional people who bring our ideas to life. Over the past year, we’ve cultivated a culture where creativity, expertise, and ambition come together to achieve extraordinary results. At Yggdrasil, you’ll find a place where your talent can thrive and where you’ll have the opportunity to be part of something truly transformative.
If you’re ready to help shape the future of gaming, we’d love to hear from you.
## Job Description
- 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.
## Qualifications
- 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
## Additional Information
**Equal Opportunity:**
We are an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.
Key Responsibilities
- Develop backend and mathematical models for Game in the Box solutions
- Implement game logic, computational systems, and integrations
- Maintain and develop game designs used in projects
- Implement new game-related functionalities
- Prepare and execute unit and integration tests
- Design game functionalities in accordance with licensing regulations
- Create project and technical documentation
- Collaborate with project teams on integration and implementation
- Analyze game-related data to identify new mechanics and trends
- Evaluate game performance and provide insights into player behavior
- Conduct analyses to detect irregularities and propose corrective solutions
Skills Required
JavaKotlinTypeScriptNode.jsC#ProbabilityStatisticsAlgorithmsUnit TestingIntegration TestingAgileCollaborationCommunicationProblem solvingAttention to detailOnline casino backend developmentiGaming productsVideo slot mechanicsSlot math modelsRTPVolatilityHit frequencyPay tablesMS ExcelDockerContainerizationLicensing and regulatory requirements
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