Top Tech Jobs & Startup Jobs in Toronto

Lead technical strategy and architecture for software security across Block. Design and deliver security solutions, drive Secure SDLC adoption, threat model critical systems, mentor engineers, and execute high-priority security initiatives for scalable, resilient security services and mobile/platform security.

Lead strategy for high-profile litigation and regulatory matters, advise leadership on legal risks, and collaborate across teams to mitigate issues.

As an ASIC Validation Engineer, you'll bridge custom mining silicon design and operation, debugging issues, developing test infrastructure, and validating functionality with ASIC designers.

Lead development and production of underwriting and credit decisioning models across Cash App Borrow and Afterpay. Own full modeling lifecycle: problem formulation, feature engineering, training, calibration, experimentation, deployment, monitoring, and iteration. Build decision frameworks, agentic engineering workflows, and collaborate with cross-functional partners to align model behavior with business and regulatory goals.

Lead and execute regulatory settlements program within Compliance Strategy and Operations PMO. Drive cross-functional alignment, deliver data-driven reporting and dashboards, build governance and AI-enabled process improvements, manage timelines/budgets, and continuously improve operational rigor to meet auditor and regulator obligations.

Lead and manage enterprise payment partnerships end-to-end: source, negotiate, and close integrations with software platforms; build API expertise; drive go-to-market execution with Sales and Account teams; collaborate cross-functionally (Product, Solutions Engineering, Marketing, Legal); and own partner performance and business outcomes tied to GPV, seller acquisition, and enterprise wins.

Lead GTM strategy and revenue operations for global Sales: design segmentation, territory and coverage models, analyze funnel and productivity, run WBR/MBR cadence, lead cross-functional programs, translate goals into technical requirements, and champion AI/automation to improve sales productivity and execution.

Partner with product and engineering to build scalable revenue recognition processes in Oracle, prepare month-end journal entries and reconciliations for Cash App products, reconcile intercompany balances, support audits and SOX controls, and collaborate with Technical Accounting, Tax, Treasury, and external auditors to ensure accurate financial reporting and process improvements.

As Head of Product for Trust and Safety, you'll define strategy and manage products ensuring seller trust and compliance while leading cross-functional teams.

Lead the technical design and delivery of banking features at Cash App, collaborating across teams, driving architecture improvements, and mentoring engineers.