Staff Software Engineer - DPU Systems

Why Sony Interactive Entertainment?

Sony Interactive Entertainment isn’t just the Best Place to Play — it’s also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we’re part of a proud legacy of innovation and excellence. SIE is a dynamic technology company, delivering cutting-edge hardware and network services to more than 100 million people and an entertainment leader, home to some of the most beloved and recognizable intellectual properties (IP) in the world. Our role at SIE is to create and nurture the experiences under the PlayStation brand, a name synonymous with entertainment excellence and creativity.

About the Role  

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! Would you like to use your skills, time, and passion on meaningful projects that are building the future? We're looking for a Staff Software Engineer with a strong background in DPU software/firmware development , who loves designing and building innovative hardware and software, wants to make an impact, and enjoys working with creative, intelligent and collaborative teammates. If that sounds like you, come help us build world class technology capable of delivering fun and unique gaming experiences to millions of players! 

Responsibilities  

• Implement and optimize peer-to-peer PCIe communication between DPUs and other bus devices, minimizing latency and host CPU involvement 

• Manage network device queues across PCIe peers and handle doorbell interrupts to process them. 

• Architect innovative solutions and drive alignment across teams and stakeholders. 

• Collaborate across hardware, drivers, system software and network cross functional teams. 

• Use hardware and software debugging tools to diagnose PCIe and DPU issues. 

• Document key technical areas and share knowledge through technical presentations  

Required Qualifications  

• BS in Computer Science / Software Engineering or 10+ years of relevant work experience 

• 8+ years of combined experience in C/C++ 

• Expert level proficiency with DPDK and Software Defined Networking

• Strong understanding of PCIe peer-to-peer communication, including memory-mapped I/O, queue management, and device-to-device signaling. 

• Ability to debug, profile, and optimize firmware performance 

• Working knowledge of networking protocols: TCP/IP, UDP and L2 layer protocols 

• Proven track-record of solving ambiguous problems with minimal direction. 

• Strong debugging / analysis / troubleshooting skills 

Preferred Qualifications  

• Experience with developing software/firmware on DPUs, or similar technologies

• Experience with Open vSwitch/Sonic 

• EVPN-VXLAN knowledge 

• Network driver development experience on Linux or embedded OS or similar 

• Experience with storage offload engines and computer networking domains  

• A track record of technical leadership guiding teams without hard authority. 

Additional Skills  

• Motivated self-starter. 

• Experience with Rust. 

• Enjoys working in a fast-paced, collaborative environment 

• Knowledge of Japanese language and culture is a plus

Please refer to our Candidate Privacy Notice for more information about how we process your personal information, and your data protection rights.

At SIE, we consider several factors when setting each role’s base pay range, including the competitive benchmarking data for the market and geographic location.

Please note that the base pay range may vary in line with our hybrid working policy and individual base pay will be determined based on job-related factors which may include knowledge, skills, experience, and location. 


In addition, this role is eligible for SIE’s top-tier benefits package that includes medical, dental, vision, matching 401(k), paid time off, wellness program and coveted employee discounts for Sony products. This role also may be eligible for a bonus package. Click  here to learn more. The estimated base pay range for this role is listed below.$198,200—$297,400 USD

Please note, Sony Interactive Entertainment conducts background checks at the offer stage for all new employees (which may include criminal background checks for some roles) and will need to process personal information to support these checks.

Please refer to our Candidate Privacy Notice for more information about what personal information we collect, how we use it, who we share it with, and your data protection rights.

Equal Opportunity Statement:

Sony is an Equal Opportunity Employer. All persons will receive consideration for employment without regard to gender (including gender identity, gender expression and gender reassignment), race (including colour, nationality, ethnic or national origin), religion or belief, marital or civil partnership status, disability, age, sexual orientation, pregnancy, maternity or parental status, trade union membership or membership in any other legally protected category.

We strive to create an inclusive environment, empower employees and embrace diversity. We encourage everyone to respond. 

Sony Interactive Entertainment is a Fair Chance employer and qualified applicants with arrest and conviction records will be considered for employment.