Senior Software Engineer - Game Engine

Senior Software Engineer - Game EngineLocation: EuropeIndustry: iGaming / Online Casino We’re working with an established international iGaming business that develops online slot games across regulated markets globally. The business is now investing in the next generation of its game-engine technology, with a focus on modernising the underlying architecture, improving mathematical validation and building a new slot game engine from the ground up. This hire will play a key role in shaping that next engine and the technical direction of the platform.You’ll join a small specialist team alongside another Game Engine Engineer and a Game Mathematician, with significant ownership across architecture, mathematical validation and delivery. What you’ll be doingDesigning and building a new slot game engine from scratchOwning game-engine projects end to endWorking closely with mathematicians to turn mathematical models into production softwareBuilding simulations to validate game behaviour and expected outcomesWorking with RTP, RNG, probability models and payout logicComparing production data against simulations and expected mathematical behaviourInvestigating discrepancies and improving engine architectureHelping define the technical direction of future game-engine development What they’re looking forStrong software engineering experienceProven experience building or owning game-engine, simulation-engine or similarly complex backend systemsIdeally, experience building engine technology from scratchStrong understanding of mathematical or probability-driven systemsExperience with simulations, RTP, RNG, probability or payout mechanicsHigh ownership and evidence of delivering complex projects end to endAbility to work closely with mathematicians and translate mathematical requirements into reliable softwareDirect experience within slots, casino or iGaming is highly desirable The technology stack is flexible. Relevant experience could come from C++, TypeScript/Node.js, C#, Java, Go, Python or similar. This is not a Unity, Unreal, graphics or gameplay-development role. The focus is on the underlying engine responsible for game logic, mathematics, simulations and payout outcomes.