• Maintain the game. • Implement and update SDKs. • Add new features to the game. • Set up tests. • Publish to app stores. • Resolve rejections and build issues.

• Lead the design, development, and optimization of web-based game experiences using PixiJS and React for high-performance rendering. • Architect and implement scalable back-end services using Node.js, integrating real-time gameplay features such as multiplayer, leaderboards, and in-game events • Collaborate with product, design, and backend teams to translate game concepts into performant, interactive experiences. • Optimize client-server communication (e.g., WebSockets, REST APIs) to ensure seamless, low-latency gameplay. • Apply game development best practices to improve performance, scalability, and maintainability across multiple projects. • Build and maintain automated CI/CD pipelines for rapid and reliable deployment of game features and updates. • Contribute to technical strategy, code reviews, and mentoring of junior engineers.

Title: Senior Game Design Mathematician Location: - Florida, United States - United Kingdom - Toronto, ONT, Canada Remote/Hybrid Job Description: What are we building? At Hard Rock Digital, we’re reimagining what online gaming can be. Backed by the legendary Hard Rock brand—synonymous with music, entertainment, and hospitality - we operate like a bold, fast-moving startup with a passion for delivering unforgettable digital experiences. Now, we’re leveling up. Our newly formed Games Studio is at the heart of this mission, dedicated to building world-class Card & Table and iCasino games that thrill players and define the next generation of online casino entertainment. You’ll be at the forefront of this journey, leading the creation of in-house Card & Table games for Hard Rock Bet Casino—games that will anchor our content strategy and become flagship experiences for our players. This is your chance to shape something from the ground up, with the backing of a global brand and the freedom of a startup. Our Games Studio is dedicated to building world-class slot and iCasino games that thrill players and define the next generation of online casino entertainment. As we expand our in-house capabilities, we’re looking for a Senior Game Design Mathematician to help shape the design, core mechanics, features, and mathematical foundations of our slot portfolio. This is a chance to influence the DNA of our games from the ground up—designing models that drive excitement, engagement, and long-term player value. What’s the position? As our Senior Game Design Mathematician, you will define and lead the mathematical architecture behind our slot games. From early concept modeling to certification and live tuning, you’ll ensure every title delivers precise statistical integrity, compelling volatility profiles, and strong commercial performance. You’ll partner across disciplines to convert creative ideas into robust probability structures and feature mechanics — owning the math from theory to implementation. This role requires both deep technical mastery and the ability to influence gameplay design at a strategic level. Key Responsibilities: - Design Slot Math Models: Develop mathematical models that define RTP, volatility, hit frequency, and feature behavior aligned with creative and commercial objectives. - Create & Maintain PAR Sheets: Produce detailed PAR sheets and supporting math documentation for all games. - Simulate & Validate: Build simulations and perform theoretical calculations (Excel and/or code-based) to validate outcomes and ensure statistical accuracy. - Debug & Support Implementation: Validate RTP implementation and debug discrepancies in collaboration with engineering teams to ensure correct integration of the math model. - Prototype & Iterate: Participate in playable prototype creation, playtesting, and iterative tuning of gameplay mechanics to optimize player experience. - Innovate Game Mechanics: Contribute new mathematical structures and feature concepts that differentiate our slot portfolio. - Analyze Market & Performance Data: Review competitor math models and post-launch performance data to inform future designs and improve player engagement. - Support Certification: Provide documentation and technical support through regulatory approvals across US, and CAN regulated markets. - Work Within Development Pipelines: Collaborate within structured development environments, including simulation tooling and version-controlled workflows. Job requirements What are we looking for? We’re looking for a senior-level slot mathematician who combines deep technical expertise with a passion for creating unforgettable player experiences. You understand that great slot games are built on exceptional math—and you’re motivated to push boundaries while delivering precision and compliance in regulated markets. The ideal candidate will have: - 5+ years of experience designing mathematical models for real-money slot games. - A proven track record contributing to or leading the math design of multiple shipped slot titles. - Strong experience creating PAR sheets and detailed math documentation. - Deep expertise in combinatorics, probability theory, and statistics. - Advanced proficiency in MS Excel or other tools for complex modeling and simulations. - Experience working with programming teams and simulation tools (Java, C, C++ or similar). - Familiarity with version control systems and structured development workflows. - Experience working with internal and external development teams - Experience supporting games through regulatory certification processes. - Bachelor’s degree in mathematics, Computer Science, Statistics, or equivalent experience. - Strong written and verbal communication skills in English. - A genuine passion for slot and casino games. - A sense of humor and a passion for building compelling, high-quality player experiences. What’s in it for you? We offer our employees more than just competitive compensation. Our team benefits include: - Competitive pay and benefits - Flexible vacation allowance - Flexible work from home or office hours - Startup culture backed by a secure, global brand - Opportunity to build products enjoyed by millions as part of a passionate team Roster of Uniques We care deeply about every interaction our customers have with us, and trust and empower our staff to own and drive their experience. Our vision for our business and customers is built on fostering a diverse and inclusive work environment where regardless of background or beliefs you feel able to be authentic and bring all your talent into play. We want to celebrate you being you (we are an equal opportunity employer).

• Розробка та підтримка складних mobile UI-фіч у продакшені (екрани, стани, анімації, адаптивність, onboarding та paywall-флоу) • Проєктування та розвиток UI-архітектури з використанням DI (Zenject): коректні життєві цикли, модульність, мінімальна звʼязаність компонентів • Робота з Addressables і remote-контентом: довантаження UI, контроль версій, забезпечення стабільності в продакшені • Забезпечення якості через автоматизоване тестування (unit та інтеграційні тести), покриття критичних сценаріїв, підтримка CI • Оптимізація продуктивності та використання памʼяті UI (GC, профайлінг, TMP, контроль алокацій) • Проведення code review та системне зменшення технічного боргу без впливу на delivery • Участь у релізах і підтримці продакшен-середовища • Менторинг колег і розвиток інженерних практик у команді