Senior Backend Architect for AI Agent Platform

We Love AI Jobs; San Francisco (CA); On-site; USD 230,000 - 385,000; Full time

Job summary

OpenAI Presence in San Francisco is seeking a Senior Software Engineer to shape the Presence platform by building reliable backend systems for high-volume enterprise agent workflows. You will lead architecture decisions while staying hands-on, working across backend services and product experiences to deliver scalable, robust solutions.

The role requires 9+ years of backend engineering experience, deep systems design skills, and strong production judgement.

Qualifications

• 9+ years of professional engineering experience in backend, platform, or product roles.
• Hands-on technical leadership with architectural decision making.
• Experience designing services, data models, and scalable interfaces.
• Strong production engineering judgment for reliability, performance and testing.
• Ability to balance delivery speed with security and maintainability.
• Experience with AI agents or enterprise workflows is a plus.

Responsibilities

• Provide hands-on technical leadership, guiding architecture and implementation.
• Design and build backend systems for reliable, high-volume agent workflows.
• Develop platform capabilities to support agent development and learning.
• Identify reliability bottlenecks as usage grows and iterate.
• Collaborate across backend infrastructure and product experiences.

Skills

Backend engineering

Systems design

Distributed services

Data modeling

Production reliability

Observability

Testing

AI agent evaluation

Job description

OpenAI Presence in San Francisco is seeking a Senior Software Engineer to shape the Presence platform by building reliable backend systems for high-volume enterprise agent workflows. You will lead architecture decisions while staying hands-on, working across backend services and product experiences to deliver scalable, robust solutions.

The role requires 9+ years of backend engineering experience, deep systems design skills, and strong production judgement.