Staff Backend Engineer / GPU Inference / SF

Hiring for a Series A startup backed by Khosla Ventures. They are building an AI-native entertainment platform where users create, chat with, and share AI-generated characters and stories, running at consumer scale with around 2.5 million daily active users.

Job Description

You will maintain and evolve the systems while building the infrastructure behind new features, recommendation systems and model inference.

The core challenge is tracing user-facing problems from slow pages, delayed jobs and unreliable real-time connections. You will have significant ownership over performance, reliability and architectural decisions.

• Own the infrastructure behind new features, including recommendation systems and GPU inference pipelines.
• Maintain production reliability through Datadog monitoring, incident response and root-cause fixes.
• Improve performance and resilience of the production environment
• Build and maintain backend services using TypeScript and Node.js, with PostgreSQL.
• Harden the existing platform, including bot mitigation and infrastructure resilience.
• Make architecture and capacity decisions as usage grows, influencing how the team deploys, monitors and recovers its systems.

Requirements

• 4+ years of professional software engineering experience, with substantial backend or infrastructure experience.
• Strong TypeScript/Node.js and PostgreSQL skills.
• Proven experience building and operating substantial backend systems in production.
• Comfortable taking ambiguous problems through to production fixes with minimal direction.

If this sounds like your next move and you would like to get involved with this exciting opportunity, apply below with your full CV and we will contact you to discuss the role in more detail!