Top Software Engineer Jobs in Toronto

Develop core backend components for a blockchain network, focusing on reliability and scalability, mainly using Rust. Ensure code quality through testing and debugging.

The Senior Software Engineer will build AI-centric tools, own full-stack development, set technical direction, and lead architectural decisions. They will ensure reliability, observability, and mentor other engineers while addressing gaps in processes.

The Senior Frontend Engineer will develop and improve the Cresta platform, focusing on frontend engineering, coding, architecture, and customer-facing components, while ensuring high standards in performance and security.

Lead design and delivery of Guidewire solutions: hands-on development, configurations, integrations, migrations and full implementations. Translate business requirements into scalable technical solutions, collaborate with delivery teams and client stakeholders, and coordinate with onshore/offshore resources to ensure quality outcomes.

Design, build, and maintain pixel-perfect front-end web applications and shared component libraries. Translate visual designs into functional UIs, ensure cross-browser/platform compatibility, contribute across the project lifecycle, and apply testing and CI practices to deliver high-quality user experiences at scale.

Design, build, and operate scalable cloud-native platform services to ingest and serve telemetry at high throughput. Improve reliability, performance, and capacity planning; define SLOs/SLIs; participate in on-call rotations; collaborate across teams to reduce region build timelines and deliver platform tooling for application engineers. Write maintainable code (primarily Go), use IaC and Kubernetes, and incorporate AI-assisted development workflows.

As a Senior Technical Consultant at Clio, you'll build and extend solutions on the ShareDo platform, collaborating with global law firms. Your role involves design, implementation, and client communication across the full stack, effectively integrating technical solutions tailored to client needs.

As a Senior Full Stack Software Engineer, you will lead the design, development, and integration of AI-driven hiring systems, focusing on scalable workflows and end-to-end projects using React and Ruby on Rails.

Lead architecture and deliver enterprise features for Auth0 Organizations. Drive technical improvements, orchestrate cross-team projects, mentor engineers, collaborate with PM/design, and build scalable, secure backend and full-stack services with strong observability.

As a Senior Software Engineer, you will build software for carbon dioxide removal efforts, focusing on full-stack development and optimizing complex workflows.

Lead technical projects for product scaling. Design and maintain APIs and services, ensuring reliability and user experience while collaborating with product teams.

As a Senior Software Developer in Billing, you'll architect a new billing service, automate the order-to-cash pipeline, and ensure the reliability of billing integrations, while collaborating with various teams and mentoring developers.

Design and implement system-level debugging, validation, and observability platforms. Build automated anomaly detection, visualization and analysis tools, and frameworks for failure classification and regression detection. Extend compilers, runtimes, and instrumentation for advanced profiling. Improve bring-up and low-level debug workflows, partner cross-functionally across hardware, firmware, compiler and runtime teams, lead high-impact initiatives, and support incident response and long-term corrective actions.

Design, develop, and maintain scalable full-stack features for SOTI XSight using C#, .NET, TypeScript, and Angular. Drive architecture, integrate analytics/AI, mentor developers, troubleshoot complex issues, and collaborate with stakeholders to deliver high-quality, cloud-ready solutions.

The Senior DevOps Engineer will enhance CI/CD platforms, automate software tasks, maintain Kubernetes systems, and manage cloud environments while leading complex projects from start to finish.

Lead architecture and technical direction for a scalable, cost-effective object storage platform. Design and improve complex distributed systems running on Kubernetes, optimize performance (profiling, concurrency, memory/latency), mentor engineers, and drive engineering standards and cloud tooling decisions.

Design, build, and operate core distributed systems in Rust powering messaging, storage, eventing, and fanout across a global real-time platform. Focus on reliability, performance, observability, incident response, capacity planning, and running services in Kubernetes-based production environments.

Build and scale AI data and ML infrastructure: evaluation systems, fine-tuning pipelines, agent-first product surfaces, high-throughput data workflows, and integrations of new models into production.

Architect and build scalable, secure backend microservices for Payments, Disbursements, or GRC squads. Implement payment and disbursement workflows, KYC/compliance pipelines, and cloud infrastructure using Google Cloud and Kubernetes. Collaborate cross-functionally, mentor junior engineers, and optimize systems for high throughput, reliability, and regulatory compliance.

Architect, build, and scale backend microservices for Payments, Disbursements, or GRC squads; design high-performance, secure payment and disbursement workflows; integrate Google Cloud services and distributed systems; ensure compliance (KYC/AML); collaborate cross-functionally; mentor junior developers; and iterate on platform reliability and performance to support millions of daily requests.

Design, build, and scale backend microservices for Payments, Disbursements, or GRC squads. Implement secure, high-performance payment and disbursement workflows, KYC/compliance systems, and cloud infrastructure on Google Cloud. Collaborate cross-functionally, mentor junior engineers, and iterate on platform architecture to handle millions of daily requests.

Design, build, and scale backend microservices for Payments, Disbursements, or GRC squads. Implement secure, high-performance payment and disbursement workflows, KYC/AML and compliance features, and infrastructure using Google Cloud, Kubernetes, and Terraform. Collaborate cross-functionally, mentor junior engineers, and iterate on platform capabilities using analytics and user feedback.

Design and build scalable backend microservices for Payments, Disbursements, or GRC squads; ensure secure, high-performance financial workflows; integrate Google Cloud services; collaborate cross-functionally; mentor junior engineers and iterate using analytics and user feedback.

Design, build, and secure scalable distributed backend systems for AI workloads. Implement microservice-based architectures, manage Kubernetes-based deployments, apply IaC and DevOps practices, and collaborate with performance and solutions engineering to optimize model deployment and infrastructure cost, security, and scalability.

Build and own fullstack features across UI, backend APIs, and orchestration interfaces for a global GPU inference platform. Implement real-time streaming, analytics, deployment workflows, developer SDKs/CLI, and observability integrations while collaborating with founders and infrastructure teams to turn distributed systems into user-friendly products.