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Urgent! Backend Java Developer Job Opening In Barcelona – Now Hiring Ubisoft

Backend Java Developer



Job description

Job Description

At Ubisoft Barcelona Mobile, we’re not just making games — we’re building worlds.

As a Backend Java Developer, you’ll be at the heart of our live game experiences, crafting scalable, high-performance backend systems that support millions of players worldwide.

Whether you're a gamer or simply passionate about building great tech, your work will directly shape the future of mobile entertainment.

What You’ll Be Doing:

  • Develop the server-side components for live games using Java, Redis, MongoDB, and NodeJS.

  • Collaborate with game teams to implement new features and services.

  • Customize and optimize game servers to meet production standards.

  • Deploy and maintain applications in both internal and live environments.

  • Perform DevOps tasks to ensure system reliability and scalability.

  • Estimate and plan technical work, even with limited information.

  • Participate in a rotating on-call schedule to support production environments.

  • Write clean, maintainable code and contribute to technical documentation.

  • Qualifications

  • Strong Java programming skills and solid object-oriented design knowledge.

  • 2+ years of experience building and deploying server-side applications.

  • Familiarity with JavaScript or related scripting frameworks.

  • Experience with relational and non-relational databases.

  • Proficiency with Git and Gitflow best practices.

  • A collaborative mindset and strong communication skills.

  • A proactive, detail-oriented approach to problem-solving.

  • Good command of English and a valid work permit for Spain.

  • Nice to Haves 

  • Degree in Computer Science, Math, or a related field.

  • Experience with NodeJS, Vue.js, Java EE, Docker, Kubernetes, AWS, or Terraform.

  • Knowledge of app store ecosystems or social network integrations.

  • Familiarity with Linux shell scripting.

  • Spanish or Catalan language skills.


  • Required Skill Profession

    Computer Occupations



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