Senior Server Developer (m/f/d)

Who we areSandbox Interactive is the ambitious game development studio behind the award-winning game Albion Online. The game is the first true cross-platform MMO, and is playable on Windows, Mac, Linux, iOS and Android with more than 350.000 daily players and over 2 million monthly visitors on our website. We started as a small independent group of experienced gaming professionals in 2012, and now employ an international team of more than 100 people. Since 2020, Sandbox Interactive has been part of the Stillfront Group. Our team is passionate about making Albion Online the best game it can be, and we’re constantly on the lookout for talented individuals to join our growing team in the heart of Berlin.Your GameAs a Senior Server Developer, you will help design, develop, and maintain the systems that keep Albion Online world running smoothly. You’ll work on backend features and services that support millions of players, ensuring stability, scalability and performance across a continuously evolving live environment.This role requires deep technical expertise, a proactive mindset and a passion for large-scale online systems. You’ll collaborate closely with game developers and designers to deliver reliable tools, features and infrastructure that enhance the gameplay experience and support ongoing content updates.Architect and maintain high-throughput backend systems that power Albion Online’s large-scale, persistent worldDevelop and optimize server-side gameplay features, live tools and real-time networking systems using C#Work with our Release Operations team to ensure smooth deployment of patches and content updatesEnsure system reliability, performance and scalability across global regions and large player populationsImplement monitoring and observability tools to improve issue detection and system resilienceCollaborate with client engineers and game designers to integrate gameplay logic and backend functionalityParticipate in architectural discussions and technical planning for feature growth and long-term system healthSupport and mentor other engineers, fostering a culture of technical pragmatism and performanceYour TalentMinimum Qualifications:5+ years of experience in backend or network programming for online or multiplayer games.Strong proficiency in C# and experience with the Unity engineProven experience with client-server architecture, game server logic and live game maintenanceSolid understanding of database systems (SQL/NoSQL), cloud environments and distributed server infrastructureExperience with performance optimization, debugging, and profiling in large-scale systemsExcellent communication skills (presentation, verbal and written) in EnglishPreferred Qualifications:Experience working on MMORPGs or sandbox gamesFamiliarity with Albion Online or similar persistent-world systemsUnderstanding of live operations workflows, including event management, hotfixing and content rolloutKnowledge of DevOps practices, monitoring tools and CI/CD pipelinesPassion for games and player-driven online experiencesOur OfferBVG corporate ticket:Receive a free company ticket for Germany's public transportation systemPersonal Development:Have a high degree of autonomy and ownership from the startDevelop your skills through company-sponsored training and language coursesEnjoy company-sponsored tickets for Gamescom Dev & other game conferencesHybrid Work model:Combine the best of both worlds, and enjoy the freedom to switch between working in the office and working remotelyHealth & Wellbeing:Discounted membership to Urban Sport Club for fitness and wellnessAccess to nilo health for confidential mental health support, coaching, and wellbeing resourcesExtra vacation days awarded based on years of service, up to a maximum of 30 days annuallyModern & Well-Equipped Office:Work in the heart of Prenzlauer Berg, a central, vibrant neighborhood in Berlin with many dining and entertainment optionsEnjoy height-adjustable tables, ergonomic chair options, dimmable lighting, and acoustic panelsStart-up perks:Benefit from free drinks and snacks in the officeParticipate in team events, breakfast weeks, summer and winter partiesSustainable business:Be part of a successful, profitable company on a continued growth pathGaming-driven culture:Work alongside a supportive team of gaming enthusiasts who are deeply committed to their craftGlobal reach:Join a team of industry experts shaping a game enjoyed by hundreds of thousands worldwide