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Senior Backend Engineer - AI Product Lead

Onsite or remote • Toronto+3💼 Full-time🗓 2026-06-25

Core

Lead backend architecture and AI API integration for a self-serve audio ad creation platform, optimizing scalability, performance, and cost-efficiency.

Role type

Senior Backend Engineer - AI Product Lead

Builds

Scalable backend infrastructure and optimized AI API integrations for audio ad creation tools

Domain

Adtech / AI Infrastructure

Deliverable

production ML models | infrastructure

Required skills

Python, Node.js, Java, AI/ML API integration, caching, batching, cloud platforms (AWS, Azure, Google Cloud), database systems, serverless architectures, microservices, monitoring tools

Preferred skills

AI/ML model training and deployment, pricing models of AI providers, adtech industry experience, SaaS platform development

Technologies

OpenAI, Gemini, AWS, Azure, Google Cloud

Responsibilities

Lead integration and management of third-party AI APIs; Design systems to optimize API calls and reduce latency; Develop cost-saving strategies via caching and batching; Build and maintain scalable backend infrastructure; Establish monitoring systems for API usage and performance; Provide technical leadership to junior engineers

Seniority

Senior, hands-on IC with leadership responsibilities

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