Glacier Core Engine Architect

IO Interactive A/S; Barcelona; On-site; EUR 70,000 - 110,000; Full time

Job summary

IO Interactive seeks an experienced Core Engine Programmer to join the Engine team in Barcelona, working on the Glacier engine and core systems. The role emphasizes architectural leadership, performance optimization, and cross-project scalability across platforms.

You will contribute to the engine roadmap, mentor teammates, and advance debugging across large codebases while collaborating with an international team of engineers.

Qualifications

• 3+ years of engine programming experience using C++.
• Shipped at least 1 AAA title as an Engine Programmer.
• Strong knowledge of algorithms, data structures, memory management and multithreading.
• Mastery in debugging complex cross-system issues in large codebases.
• Console development experience with understanding of platform constraints.

Responsibilities

• Design, develop, and maintain core engine systems including entity management, resource systems, and engine infrastructure.
• Play a key role in evolving our proprietary Glacier engine for current and future game projects.
• Write maintainable and robust C++ code supporting multiple titles across consoles.
• Optimize for memory and performance across the codebase with focus on scalability and platform constraints.
• Develop, adopt, and maintain profiling and diagnostic tools for performance culture.
• Collaborate with the Technical Director and Engine team to set and maintain the technical roadmap.
• Support platform expansion initiatives and port core systems to new technologies and platforms.
• Mentor junior colleagues and foster knowledge-sharing across technical domains.
• Strengthen and enforce studio coding practices and standards.

Skills

C++

Engine programming

Multithreading

Memory management

Debugging

Communication

Tools

Glacier engine

Job description

IO Interactive seeks an experienced Core Engine Programmer to join the Engine team in Barcelona, working on the Glacier engine and core systems. The role emphasizes architectural leadership, performance optimization, and cross-project scalability across platforms.

You will contribute to the engine roadmap, mentor teammates, and advance debugging across large codebases while collaborating with an international team of engineers.