Game Backend Developer at Cosmic Spell, S.L

Puesto Game Backend Developer
Publicado 21 Jan 2026
Expirado 20 Feb 2026
Empresa Cosmic Spell, S.L
Ubicación España | ES
Tipo de Contrato Full Time

Descripción del Puesto:

Última información laboral de Cosmic Spell, S.L para la posición de Game Backend Developer. If the Game Backend Developer vacante en España coincide con tus calificaciones, envía tu solicitud o currículum directamente a través del portal actualizado de Jobkos.

Ten en cuenta que aplicar a un trabajo puede no ser siempre fácil, ya que los candidatos deben cumplir con ciertos requisitos establecidos por la empresa. Esperamos que esta oportunidad en Cosmic Spell, S.L para la posición de Game Backend Developer se ajuste a tu perfil profesional.

Required Qualifications 3+ years of experience as a Backend Programmer, preferably in the game industry. Proficiency in Kotlin, or solid experience with related languages such as Java, Scala, or C#. Experience designing and maintaining RESTful APIs, and working with cloud-based environments, especially AWS. Familiarity with PlayFab or similar Backend-as-a-Service platforms used in game development. Solid understanding of databases, data modeling, and backend performance optimization. Experience with user authentication, session management, and persistent game state systems. Proficient with Git and comfortable working with CI/CD pipelines for deployment and automation. Ability to write clean, maintainable, and well-documented code. Strong problem-solving and debugging skills, with an autonomous and proactive approach. Excellent communication and critical thinking skills. Fluent in Spanish (spoken and written), as our daily communication is in Spanish. Passion for games, especially RPGs and collectible mechanics. Nice to Have Previous experience working on free-to-play mobile or cross-platform games. Experience with Unity and a good understanding of client-server communication. Knowledge of networking principles, latency management, and multiplayer architectures. Familiarity with backend-driven systems for monetization, events, and player progression. Hands-on knowledge of JIRA, Confluence, and Agile workflows (Scrum/Kanban). Fluency in English (for documentation and potential cross-border collaborations). Responsibilities Design, develop, and maintain backend services for Soul Breach and other titles, ensuring scalability, security, and high performance. Build and maintain RESTful APIs to support gameplay features such as player accounts, progression, matchmaking, live events, economy systems, and analytics pipelines. Collaborate closely with client-side developers and game designers to integrate and support content-driven and live service features. Ensure data integrity, consistency, and scalability across all backend systems and internal support tools. Guarantee data privacy and secure handling of user information in line with industry best practices and compliance regulations. Set up and maintain server infrastructure, CI/CD pipelines, and cloud services. Contribute to technical decision-making, backend architecture planning, and long-term scalability strategies. Meet development deadlines and deliverables established by the production team, ensuring clear and proactive communication on progress. What We Offer Immediate start. Full-time permanent contract with flexible working hours. Hybrid or fully remote setup (within España). Competitive salary, adjusted to experience and scope of responsibilities. A passionate, senior, and multidisciplinary team that values creativity, autonomy, and excellence. A studio culture built on quality, collaboration, and respect for both players and developers. Ready to Join? If you are interested and would like to join our team, please send your CV and a link to your portfolio (if available) to , using the subject line: Backend Developer - (Your Name). We look forward to discovering what you can bring to the world of Soul Breach.

Información de la Vacante:

  • Empresa: Cosmic Spell, S.L
  • Puesto: Game Backend Developer
  • Lugar de Trabajo: España
  • País: ES

Cómo Enviar tu Postulación:

Después de leer y comprender los criterios y requisitos mínimos explicados en la información del trabajo Game Backend Developer at the office España anterior, completa de inmediato tus archivos de solicitud, como carta de presentación, CV (Hoja de Vida), copia de diploma y otros suplementos. Envía a través del enlace Siguiente Página abajo.

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