Senior Software Engineer, Live Mobile Games (C++)

Xbox Media Solutions (Formerly Activision Blizzard Media); Barcelona; On-site; EUR 70,000 - 90,000; Full time

Job summary

King invites a Senior Software Engineer to join the Kingdom. You will design, implement, and maintain new systems and game features in C++, building scalable solutions for Candy Crush Soda Saga and related titles.

You’ll work on large codebases, take ownership end-to-end, collaborate with engineers, designers, and product teams, and help optimize performance and maintainability across mobile platforms.

Qualifications

• Highly proficient in C++, with experience working in large codebases.
• Comfortable taking ownership of systems or features end‑to‑end.
• Passionate about building high-quality, polished solutions.
• Skilled at breaking down complex technical challenges into manageable tasks.
• Collaborative and proactive, with strong communication skills.

Responsibilities

• Designing, implementing, and maintaining new systems and game features.
• Building high-quality, maintainable, and scalable C++ solutions.
• Working with large and complex codebases.
• Improving existing systems, architecture, and technical foundations.
• Taking ownership of features and systems from concept through production.
• Collaborating closely with engineers, technical leaders, designers, and product teams.
• Optimizing performance, scalability, and maintainability.
• Contributing to technical strategy and best practices.
• Coaching and mentoring other engineers.

Skills

C++ proficiency

Ownership of features

Working in large codebases

Collaborative problem solving

Communication skills

Job description

King invites a Senior Software Engineer to join the Kingdom. You will design, implement, and maintain new systems and game features in C++, building scalable solutions for Candy Crush Soda Saga and related titles.

You’ll work on large codebases, take ownership end-to-end, collaborate with engineers, designers, and product teams, and help optimize performance and maintainability across mobile platforms.