**Craft:**Technology & Development**Job Description:****Senior Backend Engineer****Your role within our Kingdom**As a member of the ML Operations team within the Live Operations department, you will collaborate closely with our game teams. Your responsibilities will include developing the platform and integrating our decision automation platform into our games such as Candy Crush Saga. We are looking for an expert in Java development that has been working with “King” scale solutions and a great plus is knowledge in machine learning and multi-armed-bandits.As a Senior Backend engineer at King, you will be using the latest technologies to build ML products that empower game design workflows across the company. With over 250+ million monthly active users and 50 billion events being uploaded daily, it’s key that you care about performance and understand what works and not. It is a highly ambitious and technical environment.**Skills to create thrills*** Strong Java experience, databases and web development in general* Strong software Engineering skills* GCP data products (Kubernetes, VertexAI, BigQuery, Cloud Storage, Dataflow, Dataproc, to name a few) or products from other cloud providers* End-to-end integration of systems* Have been working with large scale backend systems (100M DAU)* Java + native bindings* Experience in Tensorflow or PyTorch* Strong development experience in Python based systems* Open and not afraid to help out where it is needed* Strong knowledge of web protocols, application servers and web servers* Strong Computer Science fundamentals, design patterns and object-oriented knowledge* Design, architect, test, document and implement features in our core services* Deliver high-quality and well-structured code* Git, gradle, maven, CI/CD, Jenkins, Cloud build knowledge is a must**Tasty bonus skills*** Very strong interest in machine learning technologies* C++ knowledge* Knowledge in Multi-armed bandits, global and contextual bandits.* Building data pipelines and ML pipelines* Knowledge of recommender systems* ML modelling and monitoring* Contributions to open source projects**About King**With a mission of *Making the World Playful*, King is a leading interactive entertainment company with more than 20 years of history of delivering some of the world’s most iconic games in the mobile gaming industry, including the world-famous Candy Crush franchise, as well as other mobile game hits such as *Farm Heroes Sag*a. King games are played by more than 200 million monthly active users. King, part of Microsoft (NASDAQ: MSFT), has Kingsters in Stockholm, Malmö, London, Barcelona, Berlin, Dublin, San Francisco, New York, Los Angeles and Malta. More information can be found at or by following us on, on Instagram, or on X.
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