OverviewIn this Core Engine Programmer role, you will architect and evolve the Glacier engine to support multiple high-profile, cross-platform titles.
You'll own core systems, influence the technical roadmap, and work closely with the Engine team to scale infrastructure for future projects.
Your work will focus on performance, memory management, and robust tooling to support a studio-wide performance culture.
You'll mentor peers and help enforce coding standards in a collaborative, international environment.
This is a chance to shape the foundation that powers IO Interactive's ambitious game portfolio.
ResponsabilidadesDesign, develop, and maintain core engine systems (entity management, resource systems, infrastructure)
Evolve the Glacier engine for current and future projects
Write robust C++ code supporting multiple titles across generations
Optimize memory and performance with a focus on scalability and platform constraints
Develop, adopt, and maintain profiling/diagnostic tools for performance culture




Collaborate with the Technical Director and Engine team on the technical roadmap
Support platform expansion and port core systems to new technologies
Mentor junior colleagues and foster knowledge-sharing
Strengthen and enforce coding practices and standards
Requisitos principales3+ 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 of debugging complex, cross-system issues in large codebases
Console development experience with platform-specific constraints
Proven ability to break down tasks, estimate scope, and assess work across engineering
Excellent communicator in a distributed, international team
Excellent communicator
team-oriented
problem-solving mindset
C++
engine programming
multithreading

📌 Core Engine Programmer (Barcelona)
🏢 Io Interactive
📍 Barcelona