Top Software Engineer Jobs in Toronto

Design, implement, and maintain scalable Java-based software solutions. Collaborate across the SDLC, drive feature development, conduct code reviews, support CI/CD and DevOps practices, and ensure system performance, security, and reliability.

Evaluate AI-generated coding interactions, assess quality of engineering judgments, provide feedback, and define standards for AI coding agents. Comfortable making subjective judgments about engineering quality.

The role involves collaboration with product managers and team members to design, develop, and test software features for Nokia's Service Router OS, emphasizing code quality and troubleshooting.

The role involves architecting and maintaining Datagrid Pages and Dataset Editor, improving UI efficiency, writing clean code, mentoring juniors, and collaborating with teams.

The Senior Software Engineer II will design and implement Shopware plugins, collaborate with various teams, and mentor engineers while ensuring adherence to best practices.

As a Senior Engineer, you will design, implement, and maintain systems for Alpaca, mentor talent, ensure stability, and collaborate globally.

The SDET Architect will design and lead automated testing strategies across various systems, mentor teams, and ensure compliance with regulatory standards in the healthcare domain.

Contribute to PostgreSQL core and maintain extensions, author patches, engage with the PostgreSQL community, and troubleshoot issues affecting Planetscale customers.

Lead technical vision and architecture for security-related platform integrations. Advise senior leadership on application/cloud security and DevSecOps, drive roadmaps, establish secure design standards, solve cross-cutting problems, and mentor senior engineers to improve platform scalability, security, and operations.

Lead design and implementation of features for the Business Acquisition domain, ensure security and scalability, mentor junior engineers, collaborate with product and engineering managers, write and maintain clean full‑stack TypeScript code, drive architecture and cross-team best practices, and produce documentation and tests for maintainable systems.

Build and scale back-end systems and real-time bidirectional EHR integrations; grow data processing and storage from terabytes to petabytes; own end-to-end cross-functional projects; improve core systems and DevOps for 100x growth; partner with product and engineering leadership to set technical direction.

Lead design and implementation of Sentry's Events Analytics Platform, improving search and storage performance at petabyte scale. Architect and automate scalable services, make trade-offs, review code, collaborate with Product and Engineering, and improve maintainability and developer experience.

The Principal Software Engineer will integrate AI frameworks with cloud infrastructure to enhance performance and reliability, develop prototypes, and collaborate closely with the product team to meet constraints and requirements.

The role involves analyzing software requirements, contributing to software development, mentoring developers, and leading design/code activities in a big data context.

The role involves developing AI-based IDE technologies to improve software development efficiency, collaborating on language and compiler capabilities, and prototyping innovations for developers.

Design and develop next-generation web engine; innovate architecture for performance and resource consumption, with insights on web technologies.

Lead the design and deployment of AI multi-agent systems on cloud platforms, integrate AI models, and collaborate with a global team.

The role involves developing next-generation 2D graphics rendering technologies, optimizing the graphics stack and window system for terminal OS, and tracking graphic framework evolution.

The Software Engineer will design and maintain AWS infrastructure, enhance developer tooling, mentor juniors, and optimize systems for performance.

The Senior Software Engineer will develop scalable microservices using Clojure, manage CI/CD in AWS, and collaborate on distributed systems while ensuring code quality through reviews.

The Senior Software Engineer will design, implement, and maintain software features, conduct code reviews, and improve development processes while mentoring less experienced engineers in an Agile environment.

The Senior Software Engineer will architect and develop the Solver network, ensuring performance, collaborating with teams, and leading engineering standards.

The Staff Software Engineer will architect and maintain Datagrid Pages and Dataset Editor, focusing on UI design, efficient code, and mentorship while collaborating with teams to support Procore's AI strategy.

The Senior Software Developer will design and build fraud detection systems, improve internal tooling, and contribute to AML compliance, while collaborating with product and operations teams.

The Senior Software Engineer will develop AI/ML features, build robust APIs, create user-friendly UIs, and integrate AI models into ClickHouse Cloud.