Hiring: Senior Software Engineer (Backend), Co-Experience Company: Roblox Location: San Mateo, CA Job Posted Time: 2026-09-15 12:09:31 Employment Type: Full-time Target Skills & Keywords : C#, C++, Go, Java, Microservices About the job Experience: •3+ years of experience building systems behind consumer-facing APIs that handle large numbers of concurrent users. Required Skills: •As a Senior Software Engineer (Backend) on the Co-Experience team, you will work on high-visibility initiatives that define the future of age-appropriate communication. •Build and maintain the services behind a social ecosystem that keeps interactions safe, civil, and meaningful across diverse age groups. Qualifications: •5+ years of experience working on microservice architectures, with a proven track record in addressing scalability and reliability challenges (4+ years with a graduate degree in computer science or a related field). •In-depth knowledge of server-side development and design principles, with proficiency in at least one compiled language such as C#, C++, Java, Golang, or other. •A track record of leveraging AI-assisted development tools to maximize engineering velocity, allowing you to navigate large codebases, iterate on complex logic, and move from idea to production-ready code with high efficiency. •The ability to author a clear, actionable technical design document that aligns stakeholders and holds up in architectural review. •All-round: You're a generalist, open to learning new languages and technologies, and drawn to the parts of the system you haven't worked on yet. •Kind and generous: You treat colleagues with respect, assume good intent, and go out of your way to help others succeed. You believe technical excellence without kindness is not enough. •Product-opinionated: You don't just execute plans, you proactively shape our roadmap, and push for the right product outcomes. •An AI advocate: You actively push the boundaries of AI-assisted development, for yourself and for your team. •Continuously growing: You take pride in your craft and hold yourself to a higher standard each quarter. Compensation: •$196,750 - $243,290 / year Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!