Backend Developer | Catalog Games

970 KING SHARED SERVICES S.L.; Barcelona; Presencial; EUR 45.000 - 65.000; Jornada completa

Descripción de la vacante

King, a leading interactive entertainment company, seeks a mid-level Java backend developer for Catalog Games in Barcelona to build features, services, tools, and systems powering our games. You’ll design, implement, test, deploy and monitor backend components, balancing speed with reliability in large-scale real-time systems.

You’ll own complete features, collaborate with cross-functional teams, and contribute to documentation and practices across production services.

Formación

• Strong Java development skills and CS fundamentals (OOP, design patterns, concurrency, scalability).
• Experience with databases, web development, UNIX environments, and production backend systems.
• Ability to design and implement medium-sized systems or components while contributing to larger systems.
• Experience with established codebases, patterns, and pragmatic improvements.
• Experience with automated testing, code reviews, monitoring, debugging, incident investigation, and production support.
• Ability to take ownership, estimate work, communicate clearly, and collaborate with teammates and stakeholders.
• A pragmatic approach balancing quality, maintainability, reliability, and delivery speed.
• Willingness to share knowledge and improve documentation.
• Understanding of team goals and how engineering work contributes to the product and business.
• Fluency in English.

Responsabilidades

• Develop game backend features, services, tools, and systems.
• Collaborate with cross-disciplinary teams to deliver reliable technology for player experiences.
• Own complete features or components and manage them from design to deployment and monitoring.
• Contribute to technical decisions, documentation, and process improvements.
• Communicate progress, plans, risks, and issues clearly to stakeholders.

Conocimientos

Java

OOP

Design patterns

Concurrency

Scalability

Databases

Web development

UNIX

Code reviews

Testing

Herramientas

CI/CD

Jenkins

Descripción del empleo

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.

We bring moments of magic to hundreds of millions of people every single day. We create unforgettable games that are loved around the world. We take the art and science of gaming to the next level through curiosity for the unexplored, passion for games, respect for each other, and love for our players. Who we are King is a leading interactive entertainment company for the mobile world, with people all around the world playing one or more of our games, including franchises such as Candy Crush, Farm Heroes, Pet Rescue and Bubble Witch. We have 249 million monthly active users as of fourth quarter 2019 across web, social and mobile platforms. King was acquired by Activision Blizzard Inc. (Nasdaq ATVI) in February 2016 and operates as an independent unit of the company. Our passion Making great games is incredibly challenging but we've proven it can be done… and we see a world of possibilities ahead. We're challenging ourselves to dream bigger in a Seriously Playful way. We're experimenting, learning, and adapting continuously to shape the industry in ways yet to be imagined. We're passionate about bringing moments of magic to our players and we're not afraid to have fun along the way. Above all, we play as a team, helping each other have impact on a massive scale. And we'll know we've outdone ourselves when we've inspired the world to play. If you share our passion, our values, and our hunger to shape the future, join us in Making the World Playful! Together, we'll create new experiences that raise the bar, delight billions of people, and redefine the world of games again and again.

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