Top Tech Jobs & Startup Jobs in Toronto

Develop and implement marketing strategies and campaigns for regional and global clients. Manage project deliverables, workstreams, client relationships, meetings, presentations, and junior consultants. Use customer data, technology, and campaign analytics to generate recommendations and optimize marketing performance. Collaborate with Mastercard stakeholders, vendors, and third parties while contributing to solution development and intellectual capital.

Lead globally distributed SRE/application operations teams supporting Java applications across on-prem and Azure, driving 24/7 support, incident management, observability, security/compliance (PCI-DSS, SOC 2), audits, disaster recovery exercises, documentation, and operational continuous improvement while partnering with stakeholders.

Lead product management for Account Protection within Mastercard Identity, supporting roadmap, requirements, and commercialization of API- and data-driven solutions to detect and mitigate account takeover, synthetic identity, and mule activity. Partner with engineering, data science, privacy, and commercial teams; engage customers for validation; define data signals; support launches, pricing, and regional adoption; and drive innovation across onboarding, monitoring, recovery, and investigation phases.

Lead the development of AI and machine learning solutions at Mastercard, defining strategy and mentoring teams while ensuring compliance and enhancing consumer experiences.

Lead development, scaling, and commercialization of Agentic Trust solutions across identity, fraud, and cybersecurity verticals. Translate strategy into product roadmaps, manage cross-functional execution with Product and Engineering, ensure platform alignment and scalability, and drive market readiness and commercialization of AI-driven trust and safety offerings.

Lead end-to-end customer migration and adoption for Mastercard's disputes modernization. Develop migration frameworks, roadmaps, playbooks, governance, and KPIs. Partner with customers and cross-functional teams to drive implementation, change management, operational readiness, and measurable business outcomes while scaling repeatable processes and enabling internal teams.

Manage North America channel and alliance partner relationships for Mastercard payment security and insights solutions. Recruit, onboard, enable, and grow partners (processors, acquirers, fintechs, ISVs), drive partner-sourced revenue, build joint business plans, manage pipeline/forecasting, run partner reviews, and provide market feedback to internal teams. Quota-carrying role requiring strategic, commercial partnership development.

Lead a data science team to design and deliver merchant registry and profiling ML capabilities for onboarding and monitoring. Define strategy, guide model development and validation, promote reusable data assets, partner with Product and Engineering, drive Agile delivery, hire and mentor team members, and communicate impact to senior leadership to scale production ML systems on modern cloud/data platforms.

Lead design and delivery of enterprise-scale AI/ML solutions for Ethoca, building and governing models (NLP, generative, multi-modal) to reduce chargebacks, improve dispute resolution, and scale production systems across cloud environments.

Lead development, deployment, and monitoring of end-to-end ML/DL/AI solutions. Responsibilities include data extraction, cleaning, modeling, evaluation, production deployment, documentation, and presenting results. Collaborate across teams, build prototypes and POCs, protect IP, and disseminate knowledge externally.