We are seeking a highly experienced Senior Slot Game Designer with a passion for creating engaging, high-performing slot experiences. This role is ideal for someone who combines deep mathematical expertise with a strong understanding of player psychology and data-driven design. You will participate the development of innovative slot concepts from ideation through launch, ensuring games are mathematically sound, emotionally engaging and commercially successful. This position plays a critical role in defining gameplay mechanics, verifying all mathematical calculations, and shaping player-centric experiences that resonate in the market.
Key Responsibilities
As a Senior Slot Game Designer, you will:
Lead the creation of original mathematical models, game themes, and innovative slot mechanics.
Design and own slot game concepts from ideation to final delivery, focusing on entertainment value, pacing, volatility, RTP structure, and long-term engagement.
Develop and verify all mathematical calculations and simulations to ensure regulatory compliance and optimal performance.
Collaborate closely with mathematicians to refine mechanics and balance risk-reward structures.
Work cross-functionally with producers, animators, sound designers, engineers, and product teams to ensure cohesive execution.
Interpret creative briefs and align game concepts with overall product strategy and market positioning.
Utilize player data and analytics to inform design decisions and optimize mechanics pre- and post-launch.
Create detailed Game Design Documents (GDDs) and pitch materials that clearly communicate gameplay mechanics, feature flow, and player experience goals.
Playtest and iterate on in-development games, providing structured feedback on math, UI, pacing, art, and sound integration.
Support external partners with clear explanations of game mechanics and value propositions to maximize commercial success.
Analyze post-launch performance data and apply learnings to future releases. Qualifications
Bachelor’s degree in Mathematics, Game Design or equivalent professional experience.
4–5+ years of proven experience in slot game design with successful released titles.
Strong proficiency in Excel for modeling, simulations, and probability calculations.
Deep knowledge of Combinatorics, Probability Theory, and Statistics.
Demonstrated ability to translate player insights and performance data into optimized design decisions.
Strong understanding of pacing, visual choreography, and entertainment flow in slot gameplay.
Experience using visual design or storyboarding tools to communicate concepts.
Excellent communication skills and ability to collaborate cross-functionally.
Strong digital portfolio showcasing relevant slot or gaming work. Keys to Success
Builds strong collaborative relationships across departments
Makes informed, data-driven decisions
Drives results with ownership mindset
Fosters innovation in mechanics and player engagement
Brings high personal energy and accountability
Demonstrates self-leadership in a feedback-driven environment
High 5 Games is a gaming company that develops AI-powered products and services serving millions of players worldwide. The company specializes in real-money gaming and leverages advanced machine learning and artificial intelligence to enhance player experiences through personalization and fraud detection. They operate a sophisticated technical infrastructure built on Google Cloud Platform, managing large-scale data pipelines and AI models that support real-time gaming operations. The company is focused on scaling AI models from research to production while maintaining strict data governance, security, and compliance standards specific to the gaming industry.
