Top Software Engineer Jobs in Toronto

Drive redesign of the new-customer experience by building features across Python services, a GraphQL gateway, Auth0-based auth, and Terraform-managed GCP infrastructure. Collaborate cross-functionally, ensure reliable, well-tested deployments, and independently drive projects to completion.

As a Lead Software Engineer, you'll develop cloud infrastructure, enhance CI/CD practices, optimize systems, and mentor other engineers to improve deployment and reliability for customer interactions.

As a Lead Software Engineer, you'll develop and ship full-stack web applications, emphasizing AI-powered experiences and collaborating with product and design teams.

The Sr Software Development Engineer will design, develop, and maintain scalable cloud services, enhance system reliability, automate infrastructure, and collaborate across teams to align platform capabilities with business needs.

The Embedded Software Quality Engineer ensures the quality of software in the embedded systems market. Responsibilities may include testing, debugging, and validating software solutions to maintain performance standards.

Build and maintain complex customer-facing features, support other engineers, and take ownership of technical decisions while collaborating with Product and Design teams.

Life360 seeks a Senior Software Engineer to enhance AI-native mobile development tools. The role focuses on maintaining infrastructure for continuous testing and quality automation, collaborating with teams to improve product development, and applying AI insights for efficient workflows.

Optimize Ubuntu integration across latest IoT and server-class hardware, lead customer engagements, and work with open source communities in a remote, collaborative environment.

As a Software Support Engineer, you will troubleshoot and resolve complex issues related to Ubuntu and open source technologies, collaborate with teams, and contribute to community development.

The Senior Backend Engineer will design and maintain backend services for core business functions, ensuring reliability and scalability while collaborating with cross-functional teams.

Lead the mobile/Windows development team, mentor members, oversee development lifecycle, implement best practices, and ensure high-quality application delivery.

Lead the development of mobile/Windows applications, providing technical guidance and mentorship, ensuring best practices, and overseeing the entire development lifecycle.

Design and maintain backend services for core products, utilizing Go and microservices architecture, while collaborating with teams and ensuring high-quality code.

The Staff Software Engineer will lead initiatives in building a full-stack educational platform, mentor engineers, and collaborate with Product and Design teams.

As a Principal Software Engineer, you'll lead technical strategies, ensure architecture alignment, mentor engineers, and influence product roadmaps while engaging with business strategies.

The Staff Software Engineer will design, develop, and maintain scalable cloud-based solutions, manage data ingestion and retrieval, and lead architectural innovation while collaborating with cross-functional teams.

Design and build backend services for ClickHouse Cloud, extend platform capabilities, and improve developer experience with Postgres.

The Senior Software Engineer will architect and build scalable cloud infrastructure, collaborate with teams, and improve system security and performance.

Lead frontend design and delivery of AI product experiences using React and TypeScript, mentor engineers, set frontend standards, use AI-assisted tooling, and contribute to backend services in Go and product roadmaps.

Lead frontend architecture and product development for member-facing web and mobile apps. Build high-performance, accessible React/React Native UIs, own end-to-end features including APIs and backend services, mentor engineers, drive design system and frontend standards, and collaborate with Product, Design, Clinical, and Data teams to deliver scalable, user-centered health experiences.

Design, build, and operate end-to-end ML pipelines and platform tooling for model/versioning, deployment automation, A/B testing, monitoring, CI/CD, and production reliability. Mentor engineers, collaborate with ML scientists and infra teams, and maintain security, compliance, and documentation.

Lead architecture and technical strategy across an infrastructure platform ecosystem. Drive hands-on architectural improvements to graph engine and backend services, reduce technical debt, establish standards, champion AI-first engineering practices, run architecture/code reviews and mentorship, and collaborate with product and leadership to ensure scalable, extensible systems.

Lead design, build, and operate CI/CD platform components: self-hosted GitHub Actions runners on GKE, ArgoCD/Argo Events GitOps, Helm charts, and Jenkins platform. Drive migrations, observability with Datadog, on-call incident response with PagerDuty, Terraform infrastructure, artifact management, and cross-team collaboration to ensure reliable, scalable delivery pipelines.

The role involves collaboration with teams to develop solutions, maintain quality standards, and provide technical support, focusing on full-stack development using a variety of technologies.

Lead backend development: design, build, and maintain .NET backend services and RESTful APIs, own backend architecture and API strategy, improve performance and reliability, drive code quality and CI/CD, mentor engineers, collaborate with frontend/product/devops, and share ownership of production health and incident response.