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Game Designer, Mathematician

1 month, 2 weeks ago
United States
Full-time
Lead
Game Developer
Software Development
C# C++ JavaScript Python Statistics
Apply Now
Rush Street Interactive

Rush Street Interactive

Rush Street Interactive (NYSE: RSI) is a leading online gaming company known for its integrated gaming experiences and commitment to responsible gaming practices.

Hotels, Restaurants & Leisure
251-1K
Founded 2012
View All Jobs 17

Description

  • Design functional mechanics for original online casino games, including base game structures, bonus rounds, jackpot systems, gamble features, and meta-game experiences.
  • Build complete mathematical models for each game, including RTP targets, volatility profiles, hit frequency, prize distribution, and payout structures.
  • Create and maintain PAR sheets, combination sheets, and regulatory math documentation for internal review, testing, and approvals.
  • Define symbol hierarchies, paytable structures, reel layouts, win-line configurations, and feature trigger conditions.
  • Build and run simulation code to validate math models, verify gameplay behavior, and test edge cases.
  • Write demo and prototype code to test mechanic concepts before full production.
  • Create Game Design Documents and functional specifications for engineering, art, audio, and production teams.
  • Ensure math models meet regulatory requirements across operating jurisdictions and adapt designs to market-specific standards.
  • Play-test in-development games, iterate on balance and pacing, and analyze post-launch performance data to recommend adjustments.
  • Collaborate with engineering, product, and creative teams to refine game concepts and verify implementation.

Requirements

  • Bachelor’s degree in mathematics, statistics, applied mathematics, computer science, physics, engineering, or a closely related quantitative field required.
  • Master’s degree or higher in a quantitative discipline preferred.
  • 8+ years of direct, hands-on experience in slot game design and/or slot game mathematics in a land-based or online casino game studio.
  • Candidates without direct slot game experience will not be considered.
  • Expert-level knowledge of casino game mathematics, including RTP calculation, volatility modeling, hit frequency analysis, standard deviation, prize distribution, combinatorics, and probability theory.
  • Proficiency in building and running game math simulations and verification scripts using Python, C++, C#, Javascript, or equivalent languages.
  • Advanced Excel skills for probability modeling, paytable prototyping, and large-dataset analysis.
  • Deep familiarity with PAR sheet creation and regulatory documentation standards for online and/or land-based slot games.
  • Strong understanding of player psychology, behavioral engagement patterns, and commercial slot game success factors.
  • Excellent communication skills with the ability to translate complex mathematical concepts into clear documentation for technical and non-technical audiences.

Benefits

  • $160,000–$180,000 USD base salary range.
  • Discretionary annual company bonus, with eligibility varying by role.
  • 401(k) plan with 100% company match on the first 4%.
  • Comprehensive medical coverage, including HSA and FSA plans, plus dental and vision insurance.
  • Paid Time Off, with eligibility varying by role.
  • Employee Assistance Program (EAP).
  • Open to candidates across the U.S. for nationwide roles.

Interested in this position?

Apply directly on the company website

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