Summary
Overview
Work History
Education
Skills
Portfolio
Coursework
Projects
Websites, and Profiles
Timeline
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Rajni Choudhary

Gurgaon

Summary

Accomplished Senior Game Mathematician at Aristocrat, specializing in mathematical modeling and simulation development. Proven expertise in C++ and statistical modeling, driving innovative game features and mentoring teams. Successfully led projects from concept to launch, enhancing game performance and compliance across multiple markets. Recognized for decision-making confidence and collaborative spirit.

Overview

5
5
years of professional experience

Work History

Senior Game Mathematician I

Aristocrat
Gurgaon
01.2025 - Current
  • Leading game math development for digital titles, including Grand Legend and Spin it Grand.
  • Currently, I am working on a new game title based on a successful land-based concept, contributing to its adaptation and optimization for the digital market.
  • Sharing domain knowledge through internal sessions focused on hit rates, RTP distributions, and studying successful game titles in the market.
  • Actively populating Confluence pages, and documenting features and math models to support cross-team learning.
  • I initiated JavaScript learning and utilized it for writing simulation for upcoming titles and internal tools.
  • Mentoring junior mathematicians, and fostering collaboration across departments, to enhance overall game quality and innovation.

Game Mathematician II

ARISTOCRAT
08.2022 - Current
  • Developed the complete math model for multiple games covering math logic for Hold and Spin, Grow height in feature, Wild expansion, metamorphic feature, persistent feature and various other features. Tuned RTP variants for the same. Technology used: Excel
  • Wrote simulation code in C++ to verify the Math and added 4 new feature functions (Grow interface height, persistent mechanic, metamorphic feature, and zone mechanic) to the library to make simulations easier for future games.
  • Won 2 Game Design Challenges that were held across the teams. Co-holder of two team patents
  • Proposed and executed a game idea, driving it from concept to completion, with the game now live and performing in the ANZ market.
  • Documentation and Regulatory Compliance: Played a key role in preparing comprehensive game documentation, including volatility reports, Game Specifications, Math Summaries, and Submission Documents and ensuring that all games met the necessary regulations for the US, ANZ, and Asia markets.

Game Mathematician I

ARISTOCRAT
04.2021 - 07.2022
  • Worked on math model for multiple games covering math logic for lines game, ways game, mega ways game, free spins, wild with multiplier and wrote simulation code for the same.
  • Reviewed competitors’ games, presented insights to the team, and identified features that could be leveraged in current game designs. Collaborated on strategies to outperform the competition.
  • Conducted peer reviews of mathematical models and game mechanics for various titles, ensuring accuracy, balance, and adherence to regulatory standards.

Game Mathematician Internship

Bonanza Interactive
09.2020 - 03.2021
  • Game Analysis & Development Internship: Gained hands-on experience by playing online games to understand their mechanics.
  • Worked on Excel to adjust RTP and volatility.
  • Reviewed competitors' games and contributed to creating game clones, including developing basic mathematical models in Excel.

Education

Master of Science - Mathematics & Computing

Indian Institute of Technology
Guwahati, India
2020

Bachelor of Science - Mathematics

Central University of Rajasthan
Rajasthan, India
2018

Skills

  • C/C
  • Python
  • Decision-Making confidence
  • Logical thinking
  • MS Excel
  • Statistical modelling
  • Mathematical modelling
  • JavaScript

Portfolio

  • Jin Luo Lian Lian – A metamorphic game title featuring evolving symbols and engaging gameplay transitions.
  • Pelican Pays – A persistent mechanic-driven game inspired by Devils Lock, focused on rewarding continuity across spins.
  • Super Grand Star – A 5-of-a-kind mechanic title delivering high engagement and big-win potential.
  • Grand Legends – A hybrid design combining a 5-of-a-kind mechanic with the Hold & Spin feature for enhanced excitement.
  • Gonzo Quest – A title utilizing a cascading mechanic to enhance visual excitement and gameplay flow.
  • [Title in Development] – A new game currently under development with a Hold & Spin core and feature-in-feature mechanic, designed to bring fresh engagement to players.

Coursework

  • Computer Lab(with C programming)
  • Differential Equation
  • Numerical Analysis
  • Numerical Linear Algebra
  • Probability Theory & Statistics
  • Graphs and Matrices
  • Linear Algebra
  • Discrete Mathematics

Projects

  • Project on QBD process, Prof. Selvaraju, Department of Mathematics, IIT Guwahati, Comparing Some Algorithms for Solving QBD Processes with Special Structures. The motive of this project is to find the equilibrium probabilities of Quasi-Birth Death (QBD) processes with a special structure.

Websites, and Profiles

linkedin.com/in/rajni-kaswan

Timeline

Senior Game Mathematician I

Aristocrat
01.2025 - Current

Game Mathematician II

ARISTOCRAT
08.2022 - Current

Game Mathematician I

ARISTOCRAT
04.2021 - 07.2022

Game Mathematician Internship

Bonanza Interactive
09.2020 - 03.2021

Master of Science - Mathematics & Computing

Indian Institute of Technology

Bachelor of Science - Mathematics

Central University of Rajasthan

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Rajni Choudhary