Top Software Engineer Jobs in Toronto

You will design and build LLM-powered features, integrate AI capabilities into workflows, and contribute to internal practices at a healthcare-focused company.

Lead AI technical strategy, architect AI systems, set safety standards, mentor engineers, and evaluate AI models at Midi Health, a healthcare-focused company.

As a Senior Software Engineer, you'll lead the design and development of web applications, mentor peers, and ensure high-quality, secure code using Ruby on Rails, GraphQL, and React.

Design, build, test, and maintain enterprise C#/.NET applications within agile teams. Develop scalable REST APIs and data models, write automated unit tests, enforce SOLID/OOP practices, mentor engineers, participate in planning/code reviews, and communicate with clients to deliver high-quality solutions.

The Senior Software Engineer, Voice AI will design and implement complex systems for emergency response communications, oversee AI integrations, and provide technical mentorship.

Lead architecture and delivery of core Java platform components, design scalable cloud-native systems, implement production-grade Java features with comprehensive test coverage, drive observability and deployment practices, apply and operationalize agentic AI tools across the engineering workflow, produce architecture documents, and mentor/hire engineers while coordinating cross-functional technical decisions.

Seeking a Senior Software Engineer to design and build a microservices-based SaaS platform, focusing on Java and AWS technologies while ensuring robust deployment and customer satisfaction.

As a Senior Software Engineer, you'll lead technical initiatives, mentor engineers, design scalable systems, and enhance platform services using modern technologies like Node.js and AWS.

As a Senior Software Engineer, you will develop and maintain Alpaca's platform services, including event streaming infrastructure and authentication systems, while ensuring software quality and reliability.

As a Senior Software Engineer, you'll design and build scalable market data systems, improve API architecture, and enhance overall system performance, contributing to Alpaca's infrastructure for trading financial assets.

Design, develop, and enhance Cority's software and client solutions. Lead technical decisions, produce production-ready code, mentor junior developers, collaborate with Product Owners, ensure CI/CD and testing automation, and provide support and maintenance for assigned functional areas.

Design, build, and enhance Cority's software platform across product streams. Own features end-to-end, debug cross-system issues, drive observability, contribute technical direction, perform code reviews, mentor junior engineers, and collaborate with Product Owners to translate requirements into scalable technical designs.

Lead a software engineering team to build scalable, cloud-native applications while mentoring engineers and integrating AI solutions. Drive technical strategy, architecture, and best practices in DevOps and cloud systems.

The Senior Software Engineer will design, build, and maintain solutions for transit agencies, focusing on IoT devices and cloud services, ensuring reliable communication and device management.

The Platform Engineer will build and operate a cloud-based data platform, develop data pipelines, optimize data models, and design secure network architectures for IoT devices.

Build and operate low-latency, secure cloud and edge systems for real-time video streaming, AI analysis, and remote control of industrial devices. Ensure reliability, testing, deployment, and work closely with hardware and ML teams.

Develop software and systems for embedded platforms at Aquabyte, focusing on sensor interfaces, network reliability, and hardware diagnostics while collaborating with research teams on machine learning models.

The role involves designing and delivering integrations across the GTM stack, developing internal tools, and leading technical architecture in a collaborative setting.

Build intuitive interfaces for construction workflows using React and TypeScript, optimizing performance and creating data-rich dashboards.

The Intermediate Software Engineer will develop educational technology products, collaborating with teams and maintaining high-quality standards through the software development lifecycle.

Lead Android-first development of growth experiments and features, using AI-native workflows to design, implement, instrument, and analyze A/B tests. Ship performant, reliable Android experiences at scale, mentor teammates, participate in on-call, and codify AI-native engineering playbooks for broader adoption.

Lead design and delivery of SRS platform capabilities for managed databases at scale: schema automation, CDC/event streaming, fleet operations, monitoring, capacity and load optimization, tooling, runbooks, migrations, and cross-team technical alignment and mentoring.

Design and build authentication, authorization, and audit platform services (RBAC/ReBAC, token issuance, session handling), implement SAML/SCIM/OIDC/OAuth2/MFA flows, ship SDKs and APIs, operate distributed systems at scale, build audit telemetry, and support migrations and on-call production reliability.

Develop and maintain scalable APIs, microservices, and distributed systems for Autodesk's data infrastructure, ensuring high-availability and efficiency in complex environments. Collaborate with cross-functional teams to turn business needs into effective systems and mentor junior engineers.

Design and implement infrastructure solutions for reliable, scalable data-intensive systems, optimize PostgreSQL databases, and enforce Infrastructure as Code best practices.