Principal Backend EngineerPrincipal Backend EngineerAvailable in 2 locationsBarcelona, SpainStockholm, Stockholm County, SwedenCategory Technology & DevelopmentJob ID R025967widget RegularCraft:Technology & DevelopmentJob Description:Do you get excited about building elegant systems that power dynamic in-game stores, personalized rewards, and thrilling player experiences at scale? Want to help shape the foundation that supports some of the most iconic mobile games in the world, like Candy Crush and Farm Heroes?We’re looking for a Principal Backend Engineer to join our Monetisation & Rewards area, where you’ll help design and deliver the backend infrastructure that drives our game economy systems across the entire King portfolio.

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This means laying down frameworks that enable real-time offer experimentation, dynamic bundling,



and seamless integration of new monetization opportunities — all while keeping the player experience magical.This is where you come into play.Your Role Within Our KingdomMonetization & Rewards, one of the core pillars of King’s player-centric LiveOps platform.

As Principal Backend Engineer, you will take the technical lead on building backend systems that are:Modular and easy to integrate.Tuned for performance, scalability, and reliabilityFlexible enough to support experimentation and machine learning personalization.Secure, maintainable, and future-proof for years to come.You will collaborate closely with game teams, client-side and platform developers to deliver systems that let us iterate fast, operate smoothly, and offer delightful monetization experiences to hundreds of millions of players around the globe.You Will, Among Other Things…Architect, implement, and evolve Java libraries for store, inventory, offers, rewards and item handling across King games.Enable real-time personalization by integra

📌 Principal Backend Engineer (Barcelona)
🏢 Cv-Library
📍 Barcelona