Top Tech Jobs & Startup Jobs in Toronto

Own the operational health of strategic merchant integrations through monitoring, troubleshooting, SLA delivery, root-cause analysis, and technical inquiry resolution. Design custom API integration solutions, lead cross-functional technical initiatives, influence product roadmaps, develop playbooks and runbooks, manage strategic accounts, and mentor other Technical Account Managers.

Own the vision and roadmap for Affirm’s consumer loyalty program, launching rewards, tiers, engagement loops, and redemption experiences. Lead program economics, experimentation, incrementality, LTV measurement, and reward optimization. Partner with Risk, Credit, Legal, Compliance, Finance, Marketing, engineering, and design to deliver compliant products and drive repeat usage, retention, share of wallet, and incremental GMV.

Leads Marketing and Consumer Privacy Engineering teams, developing engineers and establishing a shared operating model. Translates business and product priorities into engineering plans across logged-out web, experimentation, marketing integrations, attribution, measurement, consent, privacy experiences, and consumer data collection. Partners with Product, Marketing, Privacy, Legal, and Engineering stakeholders to deliver reliable, scalable, privacy-aware systems while balancing customer needs, quality, speed, and risk.

Lead backend engineering work for Affirm’s lakehouse infrastructure, delivering reliable, scalable distributed data systems. Own quarterly goals, guide engineers through ambiguous problems, collaborate with product and analytics stakeholders, improve technical standards, monitor system availability, support on-call operations, and mentor team members. The role focuses on large-scale data platforms and technologies including Iceberg, Flink, Airflow, Spark, Kafka, Snowflake, AWS, MySQL, Kubernetes, and Terraform.

Provide high-touch technical and operational support to merchant partners using Affirm. Troubleshoot complex account, configuration, and platform issues; coordinate with Engineering, Sales, Client Success, and Operations; manage multiple inquiries; develop scalable support processes; communicate product updates; and aggregate merchant feedback to inform product planning.

Lead the design, scalability, reliability, and optimization of continuous integration systems, build pipelines, automated testing, deployment workflows, and developer productivity tooling. Improve feedback cycles, monitoring, alerting, incident response, and engineering enablement across the organization. Mentor CI engineers, establish CI/CD best practices, and align developer infrastructure with broader platform goals.

Own and evolve high-traffic consumer web experiences, experimentation, instrumentation, marketing technology integrations, conversion tracking, and measurement systems. Lead engineers through ambiguous projects, define technical plans, improve reliability and observability, support on-call operations, establish quality standards, and mentor team members. Partner with Product, Marketing, Analytics, Data Engineering, and platform teams to build performant, privacy-aware systems that address consent, cookies, tagging, and consumer-data requirements.

Develop and deliver full-stack web and mobile application experiences across Affirm’s consumer products. Responsibilities include breaking projects into tasks, collaborating with product, design, and analytics teams, building and maintaining APIs and user interfaces, monitoring application availability, participating in on-call support, conducting code reviews, debugging, and contributing to interviews and team development.

Build and ship full-stack web applications and scalable APIs for Affirm’s advertising platform. Break projects into deliverable phases, collaborate with product, design, and analytics partners, write tested and extensible code, monitor service metrics, support on-call operations, review code, and contribute to engineering growth and hiring activities.

Lead fraud decisioning engineering initiatives, architect and build complex backend systems, write and review high-quality code, mentor engineers, coordinate cross-functional teams, and improve fraud detection through analytics and data-driven decisions. Responsibilities include technical planning, system design, delivery, monitoring, maintenance, stakeholder alignment, and participation in engineering hiring and interview development.