Software Engineer II, Client Platform

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.Software Engineer II San Mateo - Hybrid Why PlayStation?PlayStation isn’t just the Best Place to Play — it’s also the Best Place to Work. Today, we’re recognized as a global leader in entertainment, producing the PlayStation family of products and services including PlayStation5, PlayStation4, PlayStationVR, PlayStationPlus, acclaimed PlayStation software titles from PlayStation Studios, and more. PlayStation strives to create an inclusive environment that empowers employees and embraces diversity. We welcome and encourage everyone who has a passion and curiosity for innovation, technology, and play to explore our open positions and join our growing global team. The PlayStation brand falls under Sony Interactive Entertainment, a wholly owned subsidiary of Sony Corporation. The OpportunityAs a Software Engineer II on the Client Platform team, you’ll play a key role in building the next generation of PlayStation experiences. You’ll collaborate with talented engineers and designers to craft intuitive, performant, and beautiful cross-platform applications that reach millions of players around the world. This team builds the core application framework, shared libraries, and foundational components that other product and feature teams rely on to deliver PlayStation experiences to millions of users worldwide. You’ll work with senior engineers to design and maintain the underlying systems that make PlayStation applications fast, scalable, and consistent across environments — giving other teams the tools and flexibility to innovate. This is your chance to help shape how players connect, discover, and engage across the PlayStation ecosystem — from concept to launch and beyond. ResponsibilitiesDesign, develop, test, and document React-based cross-platform applications that deliver seamless and consistent user experiences. Collaborate with Product Owners and Product Managers to translate feature requirements into scalable, maintainable solutions. Partner with cross-functional teams to define architecture and ensure best practices for performance, accessibility, and reliability. Write comprehensive unit and component tests to maintain product quality and prevent regressions. Participate in peer reviews and provide constructive feedback on design and implementation. Continuously improve development workflows and contribute to evolving engineering standards. Explore innovative ideas and emerging technologies through Hackathons and Café Days to help drive future PlayStation experiences. Required QualificationsBachelor’s degree in Computer Science or a related field, or equivalent professional experience. 4+ years of development experience building user-facing applications or systems using JavaScript/TypeScript. Strong proficiency in React and related tools and libraries. Demonstrated experience creating and maintaining cross-platform applications. Strong problem-solving skills and attention to quality. Excellent communication and collaboration skills in a distributed team environment. Hands-on experience with modern build and testing tools such as Webpack, Babel, Jest, or similar. Familiarity with GraphQL, RESTful APIs, and containerization (e.g., Docker). Experience with CI/CD pipelines and automated testing frameworks. Understanding of performance optimization, accessibility, and responsive design principles. Interest or experience in applying AI/ML concepts to enhance user experiences — such as intelligent UI behaviors, personalization, recommendation systems, or automated testing tools. Experience integrating or experimenting with AI-powered development tools, frameworks, or APIs (e.g., code assistants, generative models, or LLM-based automation). Experience working on mobile applications on Apple ecosystem. 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.$163,000—$245,000 USDPlease 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.