Job Title: Staff Software Engineer, Agentic Marketplace

Company Name: Scope3

Job Details: $160k-$230k/yrRemoteFull,Time

Job Url: https://hiring.cafe/viewjob/2grj29f9fwb07k9s

Job Description: Posted 11h agoStaff Software Engineer, Agentic Marketplace@ Scope3View All JobsWebsiteUnited States or Canada$160k-$230k/yrRemoteFull TimeResponsibilities:Design APIs for AI agents, Lead agent interfaces development, Build high-throughput real-time systemsRequirements Summary:8+ years distributed backend experience; 4+ years technical leadership; strong API design/architecture; AI agent/framework experience preferred; proficiency in Go, Python, TypeScript/Node.js; cloud platforms (GCP/AWS).Technical Tools Mentioned:TypeScript/Node.js, REST, Event-driven systems, Go, Python, PostgreSQL, BigQuery, Cloud Storage, Redis
About the RoleWe’re building the future of programmatic advertising through AI agents. Our Agentic Marketplace team is creating the infrastructure that enables AI agents to discover, negotiate, and transact media inventory autonomously.In this role, you’ll be a technical leader responsible for the APIs, protocols, and agent interfaces that power our agentic advertising platform. You’ll design systems where AI agents are first-class participants, with their own authentication, capabilities, and communication standards.You’ll work at the intersection of advertising technology, distributed systems, and emerging AI agent frameworks—making architectural decisions that shape how our marketplace evolves.This is a hands-on leadership role. You’ll write production code, prototype new agent communication patterns, review system designs, and mentor engineers while setting technical direction.Responsibilities:Design and architect scalable APIs for both human and AI agent clientsLead development of agent interfaces, MCP servers, and A2A communication layersBuild and operate high-throughput systems for real-time advertising transactionsEvaluate and integrate emerging agent frameworks and protocolsPartner with product and design to define clear, agent-friendly API contractsDrive architectural decisions around authentication, protocols, and transaction flowsCollaborate with external DSPs, SSPs, and agent platform partnersMentor engineers on API design, distributed systems, and agent architecturesAnticipate and address edge cases in autonomous agent behaviorQualifications:8+ years building distributed backend systems at scale4+ years in a technical leadership roleStrong expertise in API design and architecture (REST, GraphQL, event-driven systems, auth, versioning)Experience with AI agent frameworks and communication protocols, or the ability to rapidly learn and evaluate themProficiency with Go, Python, TypeScript/Node.js, and cloud platforms (GCP or AWS)Experience designing systems for autonomous or semi-autonomous decision-makingTrack record of mentoring engineers and fostering a collaborative team cultureComfort working in fast-moving, evolving environmentsNice to Have:Experience in advertising technology is a strong plusFamiliarity with MCP, A2A, or similar standards Tech Stack:API Layer: TypeScript/Node.js, REST and event-driven servicesAgent Interfaces: MCP servers and A2A protocol handlersData: PostgreSQL, BigQuery, Cloud Storage, RedisAs the agent ecosystem evolves, you’ll help evaluate new technologies and ensure our marketplace remains at the forefront.Compensation:The salary range for this role is $160k-$230k USD / $170k-$225k CAD.These ranges span multiple location-based salary bands across the US and Canada. Candidates are aligned to a narrower range based on geographic market compensation data specific to where they live, and final offers reflect demonstrated skills, experience, and role expectations.Benefits & Perks:Details vary by location (USA/Canada), but all employees receive:Health & wellness: Comprehensive medical, dental, and vision coverage with significant employer contribution; short- and long-term disability coverage; health savings/flexible spending optionsRetirement: Employer-matched retirement savings plan (401(k) or RRSP)Time off: Generous paid time off, statutory holidays, and year-end office closureParental leave: 13 weeks fully paid (eligibility requirements apply)Remote work: Company-provided home office equipment, setup stipend, and access to WeWork spacesEquity: Stock options for eligible rolesOur Culture & ValuesPassion for the environment and climate work. We are a mission-driven company, and this is what motivates us to work hard and deliver outcomes for our customers. Clear and empathetic communication, especially while working asynchronously. We have always been a global, remote-first company  and we collaborate using Notion, Miro, Slack, Loom, and other tools. We celebrate healthy conflict in the workplace; we focus on the solutions and we move on quickly. The ability and accountability to deliver what we promise. We do what we say we will do, and we don’t make promises we can’t keep. Experience driving systemic change. Our mission is to make advertising and AI more effective for the economy and the environment, and this requires a holistic approach to re-imagining and inspiring an industry movement at a global scale. A Note To ApplicantsWe believe that all people are capable of great things. We encourage you to apply even if you do not meet all of the requirements that are listed within this job description.