Member of Technical Staff (Software Engineer, Backend Platform)

The role

The Backend Platform team builds and maintains critical infrastructure including authentication, authorization, real-time data flows, service orchestration, and sandboxing. This role involves designing sandboxing platforms and owning backend services for authentication and encryption flows.

What you will do

• Lead the design and implementation of the sandboxing platform.
• Define and extend RBAC and authorization primitives.
• Own key backend services involved in authentication and encryption flows.
• Set the technical bar for backend platform design and operations.
• Partner with product and AI teams to define platform interfaces, SLAs, and integration patterns.
• Provide technical leadership and mentor other engineers.
• Make long-term architectural decisions.

Required qualifications

• Experience designing and building backend systems that run in production.
• Strong system design skills.
• Hands-on experience with modern infrastructure such as AWS, Kubernetes, and related cloud technologies.
• Strong proficiency in at least one backend language such as Python, Go, or Rust.
• Ability to work effectively in a multi-language environment.
• Collaborative mindset.
• Comfort working in security-sensitive areas.

About the company

The Backend Platform team is the backbone of Perplexity’s product reliability, scalability, and performance.