Staff Software Engineer, Agentic Marketplace
New
Source API remote eligibility restrictions: United StatesFull-TimeStaff
Salary160,000 - 230,000 USD per year
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Job Details
- Experience
- 8+ years building distributed backend systems at scale; 4+ years in a technical leadership role
- Required Skills
- AWSNode.jsPostgreSQLGCPTypeScriptReactDistributed Systems
Requirements
- 8+ years building distributed backend systems at scale
- 4+ years in a technical leadership role
- Strong expertise in API design and architecture (REST, event-driven systems, auth, versioning)
- Experience with AI agent frameworks and communication protocols
- Proficiency with TypeScript/Node.js, React, and cloud platforms (GCP or AWS)
- Experience designing systems for autonomous or semi-autonomous decision-making
- Track record of mentoring engineers and fostering a collaborative team culture
- Comfort working in fast-moving, evolving environments
Responsibilities
- Design and architect scalable APIs for both human and AI agent clients
- Lead development of agent interfaces, MCP servers, and A2A communication layers
- Build and operate high-throughput systems for real-time advertising transactions
- Evaluate and integrate emerging agent frameworks and protocols
- Partner with product and design to define clear, agent-friendly API contracts
- Drive architectural decisions around authentication, protocols, and transaction flows
- Collaborate with external DSPs, SSPs, and agent platform partners
- Mentor engineers on API design, distributed systems, and agent architectures
- Anticipate and address edge cases in autonomous agent behavior
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