Top Tech Jobs & Startup Jobs in Toronto

Build and deploy production-grade AI features and backend services for generative AI, LLM integrations, conversational AI, and retrieval-augmented systems. Collaborate with product, research, and data teams, contribute to design and code reviews, implement evaluation pipelines, monitor production quality, and mentor junior engineers.

Build and lead design, implementation, and production deployment of Generative AI and LLM-powered systems. Own backend services, model integration, RAG/agent architectures, evaluation pipelines, monitoring, and reusable GenAI platform components while mentoring engineers and partnering with cross-functional teams.

Administer and optimize enterprise collaboration platforms (Microsoft 365, Slack, Google Workspace); manage email security (Exchange Online, Cisco Cloud Email Security, DKIM/DMARC/SPF); integrate and support adjacent SaaS tools; lead incident response, change management, documentation, and mentor support teams to drive secure, reliable collaboration globally.

Lead strategy and execution for eBay Live video streaming and playback. Define and deliver low-latency, scalable, reliable video platform features, set quality/latency metrics, partner with engineering and third-party systems, and drive cross-functional roadmaps to improve live and recorded buyer/seller experiences.

Lead monetization strategy for key categories by designing fee structures, pricing models, promotions, and experiments. Partner with product, engineering, analytics and global stakeholders to analyze elasticity, deliver data-driven recommendations, validate price changes, and support execution to drive growth and long-term value for buyers and sellers.

Design and deliver end-to-end product experiences for buyers and sellers, from discovery through high-fidelity prototypes. Collaborate with product and engineering partners, use research and data to inform decisions, and create journey maps, wireframes, and prototypes that meet business and user goals.

Build and operate scalable backend services and APIs for an AI-powered developer platform. Own architecture, end-to-end delivery, performance tuning, observability, and mentoring of engineers while collaborating with product and cross-functional teams.

Lead design and delivery of large-scale backend platform services for AI-driven workflows. Drive architecture, cross-team initiatives, reliability, observability, and operational excellence. Mentor engineers and raise engineering standards to improve developer productivity, performance, resilience, and cost efficiency across the platform.

Develop and execute North American CRM strategy for eBay Live. Build and optimize multi-channel campaigns to drive awareness, engagement, and viewership; monitor performance and run tests; support audience segmentation and targeting; coordinate with product, analytics, creative agencies, and stakeholders; manage timelines for key live-event moments.

Design, build, and maintain scalable backend services; own subsystems end-to-end; drive architecture, testing, CI/CD, releases, and on-call operations; mentor engineers and collaborate cross-functionally to deliver data-driven ecommerce solutions.