Staff Software Engineer, Ads Agent Infra (Equity)

Pinterest Engineering; San Francisco (CA); On-site; USD 208,000 - 365,000; Full time

Benefits offered by this job

Equity

Job summary

Pinterest is seeking a Staff Software Engineer in the Ads Agent Infrastructure team in the San Francisco Bay Area. You will build and scale the foundation powering Pinterest's stateful AI agents across monetization and advertiser platforms, shaping execution engines and memory services.

You will define MCP servers, observability, and drive technical strategy with infra, security, and product partners. Deep experience with distributed systems and multi-tenant security is essential.

Qualifications

• 8+ years of software engineering experience with distributed systems and scalable platforms.
• Hands-on with LLM agent frameworks and runtime internals.
• Experience driving cross-functional alignment with infra, security and product teams.

Responsibilities

• Architect and maintain durable execution platforms for stateful AI agent workflows.
• Design MCP servers, SDKs and agent runtime interfaces for cross-functional adoption.
• Establish observability, tracing, prompt versioning and cost governance for multi-agent systems.
• Drive technical strategy and write design docs aligning infra, security and product teams.
• Leverage AI to accelerate design, prototyping, and code iteration while ensuring quality.
• Automate testing, evaluation and grader pipelines for agent skills and memory services.

Skills

Distributed systems

Microservices

Durable execution engines

LLM agent frameworks

LangGraph

DeepAgents

Claude Agent SDK

Platform abstractions

Cross-functional collaboration

Security compliance

Education

Bachelor's or Master's degree in Computer Science

Tools

Restate

Temporal

Step Functions

LangGraph (runtime)

Claude Agent SDK

DeepAgents

Job description

Pinterest is seeking a Staff Software Engineer in the Ads Agent Infrastructure team in the San Francisco Bay Area. You will build and scale the foundation powering Pinterest's stateful AI agents across monetization and advertiser platforms, shaping execution engines and memory services.

You will define MCP servers, observability, and drive technical strategy with infra, security, and product partners. Deep experience with distributed systems and multi-tenant security is essential.