Staff Software Engineer, Agentic Marketplace

Core 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
• Drive architectural decisions around authentication, protocols, and transaction flows

This role creates positive change by building infrastructure that enables AI agents to autonomously transact media inventory, making advertising and AI more effective for both the economy and the environment through a mission-driven approach to systemic industry change.

Required qualifications:

• 8+ years building distributed backend systems at scale
• 4+ years in a technical leadership role
• Strong expertise in API design and architecture (REST, GraphQL, event-driven systems, auth, versioning)
• Proficiency with Go, Python, TypeScript/Node.js, and cloud platforms (GCP or AWS)

Compensation and benefits:

• Salary range: $160k-$230k USD / $170k-$225k CAD
• Comprehensive medical, dental, and vision coverage with significant employer contribution
• Employer-matched retirement savings plan (401(k) or RRSP)
• Generous paid time off, statutory holidays, and year-end office closure
• 13 weeks fully paid parental leave
• Company-provided home office equipment, setup stipend, and access to WeWork spaces
• Stock options for eligible roles
• Remote-first global company culture with clear, empathetic communication

Scope3 is a mission-driven company passionate about the environment and climate work, focused on making advertising and AI more effective for both the economy and the environment through systemic industry change at a global scale.