Senior Software Engineer

Quick Facts

• Role: Senior Software Engineer (full-stack, backend-leaning)

• Focus: APIs, protocols, and agent interfaces for AI-driven advertising transactions

Description

You’ll build production systems powering an agentic advertising platform where AI agents can discover, negotiate, and transact media inventory autonomously. The work centers on scalable APIs for human and AI agent clients, agent communication layers, and high-throughput systems for real-time transactions. You will also explore emerging agent frameworks and improve engineering workflows using AI-first development practices.

Responsibilities

• Design and build scalable APIs for human and AI agent clients

• Develop agent interfaces, MCP servers, and A2A communication layers

• Build and operate high-throughput systems for real-time advertising transactions

• Explore, evaluate, and integrate emerging agent frameworks and protocols

• Contribute to architectural decisions around authentication, protocols, and transaction flows

• Own complex technical challenges, including edge cases in autonomous agent behavior

• Continuously improve engineering workflows, including practical use of AI tools

• Collaborate with teammates to share knowledge and raise engineering quality

Benefits

• Health & wellness: comprehensive medical, dental, and vision with employer contribution; short- and long-term disability; health savings/flexible spending options

• Retirement: employer-matched 401(k) or RRSP

• Time off: generous paid time off, statutory holidays, year-end office closure

• Parental leave: 13 weeks fully paid (eligibility requirements apply)

• Remote work: home office equipment and setup stipend; access to WeWork spaces

• Equity: stock options

Requirements

• 5+ years (or 4+ for exceptional candidates) of professional software product engineering experience

• Strong engineering fundamentals and ability to translate complex problems into scalable solutions

• Experience building APIs and backend services (REST, event-driven, authentication, versioning)

• Experience with distributed systems and high-throughput applications (including autonomous decision-making systems)

• AI-native mindset: incorporate AI coding agents/tools into your development workflow

• Self-starter ownership and ability to navigate ambiguity

• Strong communication skills and low-ego, feedback-friendly engineering culture

• Work authorization for the United States or Canada

• Application requires a verifiable LinkedIn profile with an identifiable photo