Backend Developer

King — Spain · Posted ~5 hours ago

Mid Full-time Visa History ✓

Skills

Java backend development system design testing deployment monitoring large-scale systems real-time systems backend systems

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Summary ✨ AI‑Generated

A mid-level Java backend developer is sought to build and improve services, tools, and systems supporting a large-scale interactive digital platform. You will contribute from design and implementation through testing, deployment, monitoring, and continuous improvement, while owning complete features or components and working autonomously within a collaborative multidisciplinary team.

Highlights

Mid-level backend position working on large-scale, real-time systems with ownership across the full development lifecycle. Offers autonomy, cross-disciplinary collaboration, and opportunities to solve challenging technical problems while balancing quality and delivery.

Description

Craft: Technology & Development Job Description: We’re looking for a Java backend developer to join our Catalog Games team and help build and improve the technology behind our games. You’ll develop game features, services, tools, and systems while collaborating with people across different disciplines. You’ll contribute throughout the lifecycle of our backend systems, from design and implementation to testing, deployment, monitoring, and ongoing improvement. We’re looking for a mid-level developer who enjoys solving challenging technical problems and is comfortable working with large-scale, real-time systems and established codebases. You’ll take ownership of complete features or components, work autonomously, break work into manageable tasks, and balance delivery speed with quality, maintainability, and reliability. Your Role Within Our Kingdom You’ll work as part of a highly capable, collaborative team developing systems that improve game development and support features across Catalog Games’ titles. You’ll help deliver reliable, maintainable technology that supports great player experiences. Our tech team serves as a central hub for game development. You’ll contribute to shared platforms, tools, and Java server frameworks, while working with teams across the organization. You’ll communicate progress, plans, risks, and problems clearly; contribute to technical decisions; support production services; and help improve our documentation, processes, and ways of working. At Catalog Games we value ownership, curiosity, teamwork, continuous improvement, and a healthy balance between work and life. Skills to Create Thrills Strong Java development skills and solid Computer Science fundamentals, including object-oriented programming, design patterns, concurrency, and scalability. Experience with databases, web development, UNIX environments, and production backend systems. The ability to design and implement medium-sized systems or components while contributing to larger systems. Experience working with established and evolving codebases, understanding existing patterns and constraints, and improving systems pragmatically. Experience with automated testing, code reviews, monitoring, debugging, incident investigation, and production support. The ability to take ownership, estimate and plan work, communicate clearly, and collaborate effectively with teammates and stakeholders. A pragmatic approach to balancing quality, maintainability, reliability, and delivery speed. A willingness to share knowledge, improve documentation, and support less-experienced developers. An understanding of team goals and roadmaps, and how engineering work contributes to the value of the product and business. Fluency in English. Bonus Points Experience with NoSQL, Big Data, Bash, HTML, CSS, JavaScript, TypeScript, or other programming languages. Experience with CI/CD concepts, Jenkins pipelines, Google Cloud, or other cloud platforms. About King With a mission of Making the World Playful, King is a leading interactive entertainment company for the mobile world 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 titles such as Farm Heroes Saga. Around 200 million people play a King game every month. 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 King.com or by following us on LinkedIn and @lifeatking on Instagram.