Software Engineer at SIEI

Setup: Remote - Japan, Hybrid
Location: Tokyo
Type: Full-time
Posted: Jul 9, 2026

Description

Sony Interactive Entertainment's PlayStation Network (PSN) development group is seeking a Software Engineer to design, implement, test, and maintain foundational functions and SDKs for PlayStation consoles. The role involves developing libraries using network protocols and Web APIs/REST, providing technical support, and contributing to new feature development. The ideal candidate will have extensive C/C++ development experience and preferably possess background in network and multi-threaded programming.

Required Skills

C/C++
network protocols
Web APIs / REST
technical support

Additional Information

Required Previous Experiences: 3+ years of development experience in C/C++, or equivalent knowledge.
Preferred Qualifications: Experience in network and multi-threaded programming.
Experience developing on the client side in a client/server architecture.
Experience developing in resource-constrained environments.
Experience writing high-performance programs with limited CPU and memory, such as in embedded device development.
Experience developing on various platforms (OS, hardware).