Senior Software Engineer (Linux Ublk)

At PlayStation, our Gaming, Developer & Future Technology (GDFT) Group is leading the cloud gaming revolution by putting console-quality video games on any device from TVs to consoles to mobile devices and beyond! We are seeking a highly skilled Linux Software Developer to join our engineering team. This role will focus on developing and optimizing low-level I/O subsystems, with an emphasis on Linux UBLK (Userspace Block Driver Framework) and io_uring. You will collaborate with kernel and systems engineers to design and implement efficient, scalable, and high-performance solutions for modern storage and I/O workloads. Responsibilities include designing, implementing, and maintaining features in the Linux UBLK framework, developing and optimizing I/O paths using io_uring, analyzing, debugging, and resolving performance bottlenecks, collaborating with cross-functional teams, writing clean code, and staying current with developments.