principal software developer jobs in Toronto

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate...

Lead mobile platform architecture at MaintainX, focusing on React Native and AI-native engineering practices within Platform Engineering. Shape development across the organization. As a senior principal-level developer, you will define how mobile features are built, shipped, and operated. You will guide technical strategy, shared foundations, developer...

Lead technical innovation as a Principal Engineer at Intact, focused on InsurTech Finance Core Systems. Utilize your expertise in architecture, cloud platforms, and AI to solve complex engineering challenges. In this senior individual contributor role, you will provide hands-on leadership and shape technology strategy at Intact. You will guide teams through...

Lead software architecture and development, mentoring engineers and driving measurable outcomes. Requires 12+ years experience, translating business needs into technical strategies.

Principal Software Developer sought to develop AI-driven solutions and collaborate on customer projects.

Seeking a Principal Software Developer to build a cloud service for construction companies. Role involves all aspects of software development, focusing on reliability and performance in an agile team. Requires 8+ years of experience.

Lead technical innovation as a Principal Engineer at Intact, focused on InsurTech Finance Core Systems. Utilize your expertise in architecture, cloud platforms, and AI to solve complex engineering challenges. In this senior individual contributor role, you will provide hands-on leadership and shape technology strategy at Intact. You will guide teams through...

Principal Software Developer responsible for setting standards, mentoring teams, and managing the technical roadmap for cloud simplification solutions. Requires extensive experience in Web applications, APIs, and SaaS.

Seeking a Principal Software Development Engineer to build fundamental data extraction pipelines, define data models, and develop cloud services for manufacturing data. Role involves leading design, implementation, and testing, with a focus on AI integration.

Seeking a Principal Software Development Engineer to design and build core data extraction pipelines and cloud services for manufacturing data models, leveraging AI for accelerated delivery and promoting AI-first practices.

MaintainX is a leading mobile-first work execution platform for industrial and frontline teams. More than 13,000 customers, including Duracell, McDonald's, Shell, DHL and Volvo, use MaintainX to cut unplanned downtime and run better operations, across 13.9 million managed assets and 79.5 million completed work orders. In August 2026 MaintainX became part of...

Mastercard is looking for a Senior Principal Software Development Engineer to join the Mastercard Foundry Research and Development team in our Toronto locationIn this role, you will establish the technical direction for complex, early-stage products, drive architecture decisions across teams, and bring innovative solutions to global markets at enterprise...

Level Up Your Career with Zynga! At Zynga, we bring people together through the power of play. As a global leader in interactive entertainment and a proud label of Take-Two Interactive, our games have been downloaded over 6 billion times—connecting players in 175+ countries through fun, strategy, and a little friendly competition. From thrilling casino...

E INC is the parent company of EBlock and EDealer, unifying our approach to products, services, and strategies under one Vision and one Mission: to create the best digital auction and retailing platform in the world by connecting the automotive wholesale and retail experiences. Our brands and their technologies make it easy for a vehicle to move between...

Mastercard is looking for a Senior Principal Software Development Engineer to join the Mastercard Foundry Research and Development team in our Toronto location In this role, you will establish the technical direction for complex, early-stage products, drive architecture decisions across teams, and bring innovative solutions to global markets at enterprise...

Level Up Your Career with Zynga! At Zynga, we bring people together through the power of play. As a global leader in interactive entertainment and a proud label of Take-Two Interactive, our games have been downloaded over 6 billion times—connecting players in 175+ countries through fun, strategy, and a little friendly competition. From thrilling casino...

Principal Software Engineer – Full Stack The global capital markets are among the largest markets in the world, valued at more than $50 trillion and growing. Transactions in these markets are complex and involve extensive legal documentation, which must be digested, analyzed, and used to make critical decisions. The demand for precise extraction and...

We’re building applied AI systems for high‑stakes, real‑world decisions. Our platform ingests and reasons over large, messy data to surface evidence with hard constraints around fairness, auditability, and low bias. The single gnarliest, most impact‑heavy place this problem shows up is in insurance claims, so that’s where we’re deployed today,...

We are hiring for one of Canada's fastest growing technology companies, recognized by Deloitte as the #1 Enterprise Software company in the 2025 North American Technology Fast 500 and ranked #5 in Deloitte Canada's 2024 Technology Fast 50 Companies to Watch.This is a rare opportunity for an accomplished technical leader to join a scaling organization at a...

We’re building applied AI systems for high‑stakes, real‑world decisions. Our platform ingests and reasons over large, messy data to surface evidence with hard constraints around fairness, auditability, and low bias. The single gnarliest, most impact‑heavy place this problem shows up is in insurance claims, so that’s where we’re deployed today,...