Principal Software Engineer Jobs in Toronto, Ontario

46 open Principal Software Engineer jobs in Toronto, Ontario at 20 companies, including Amazon, Mastercard and Palo Alto Networks. Updated daily from company career pages.

Amazon

Amazon is an e-commerce website for consumers, sellers, and content creators.

Mastercard

Mastercard is a technology company in the payments industry.

Palo Alto Networks

Okta

Okta is a management platform that secures critical resources from cloud to ground for workforce and customers.

Rakuten

Capital One

Capital One is a diversified banking company that offers early and later stage venture, and debt financing investments.

Qualcomm

Qualcomm designs, manufactures, and markets digital wireless telecommunications products and services.

Manulife Financial

Manulife Financial is a Canada-based financial services company with principal operations in Asia, Canada and the United States.

Litmus

Litmus is a testing and QA service for email marketers.

AltaML

AltaML provides technical and strategic expertise to build transformative applications using applied AI.

Autodesk

Autodesk develops 3D design software for use in the architecture, engineering, construction, and media industries.

3 more open roles at Autodesk

ZoomInfo

Find and connect with your ideal customer. Hit your lead gen, sales, and revenue goals

Netskope

Netskope is a security platform to protect data, stop threats, or any application.

Bank of Montreal

Bank of Montreal is a financial services provider of retail banking, wealth management, and investment banking products and solutions.

3 more open roles at Bank of Montreal

Homebase

Homebase is a software application that provides tools for employee scheduling, time tracking, communication, and task management.

Equinix

Equinix is an internet company that provides data center services for companies, businesses, and organizations.

MaintainX

MaintainX is a provider of a work order and procedure digitization platform for industrial and frontline teams.

US Mobile

US Mobile builds a next-generation connectivity platform to connect the next billion wireless devices onto nationwide 4G and 5G networks.

Intact Financial Corporation

Intact Financial Corporation is an insurance company that provides property and casualty insurance products to individuals and businesses.

AeroVect

AeroVect develops autonomous driving platforms for GSE.

Updated 2026-10-11.