Top Software Engineer Jobs in Toronto

Design, develop, test, and maintain software applications while ensuring compliance with coding standards, leading design decisions, and mentoring junior developers.

This role involves full-stack development, focusing on web products, architecture, and integrating AI. You'll work on product features and scalability in a collaborative environment.

The Senior Software Engineer will modernize the platform for fraud detection, drive architectural decisions, and improve code quality, operating within a cross-functional agile team.

Lead architecture and implement high-performance Java services, own cross-service platform features, ensure observability and reliability, drive technical roadmaps, and apply agentic AI tools for engineering productivity while maintaining system quality and security.

Develop and maintain software applications using various technologies, collaborate with teams, and continuously learn. Write clean and testable code while debugging issues.

Design and deliver scalable microservices, lead technical discussions, troubleshoot production issues, collaborate with cross-functional teams, and improve codebase quality.

The Senior Software Engineer will develop LLM-powered agents for search and retrieval systems, optimize backend architectures and workflows, and evaluate agent performance while collaborating with teams to enhance customer experience.

Lead the design and implementation of data architecture for Arteria AI, focusing on data modeling and the ClickHouse-based data product. Collaborate with product teams, write Python code, and mentor engineers while ensuring data integrity for regulated industries.

The Staff Software Engineer will architect agentic systems, build AI workflows, operate event pipelines, and mentor teams at eBay.

The Staff Software Engineer will lead the design and delivery of AI-driven backend systems, influencing technical strategy, driving cross-team initiatives, and mentoring engineers.

As a Senior Software Engineer, you will design and implement scalable backend services for ad targeting and reporting, optimizing system performance and collaborating with cross-functional teams to deliver efficient solutions.

Design and develop scalable backend services and APIs for an AI-powered platform, focusing on system architecture and mentoring junior engineers.

As a Staff Engineer on the eBay Ads team, you'll define and implement scalable systems and APIs, lead design efforts, mentor engineers, and drive agile processes for delivering high-quality, data-driven applications.

As a technical leader, define architecture for distributed systems, improve ad platform performance, mentor team members, and lead design and code reviews.

Design and develop scalable software applications, implement automated testing, mentor junior developers, and optimize performance in a remote environment.

Design and develop web applications, manage the full development lifecycle, lead code reviews, and mentor junior engineers while collaborating with cross-functional teams.

As a full-stack software engineer intern, you'll collaborate with senior engineers to write quality code, build AI-driven products, and improve engineering productivity.

As a Software Engineer, you will enhance backend systems, implement complex business logic, ensure data integrity, and develop scalable services using Scala.

Define and drive the architectural vision for Okta's UI platform. Build and maintain shared libraries, reusable components, and internationalization/localization infrastructure. Lead cross-team alignment, review high-impact designs, mentor senior engineers, and implement the platform's most complex, foundational components.

Build and lead development of Pinner-facing iOS features from ideation through release. Collaborate with product, design, and backend teams, prototype and run A/B tests, architect scalable solutions, employ automated testing, and leverage AI to accelerate and improve engineering outputs while ensuring quality and verification of AI-assisted work.

Lead technical direction and implementation of a large-scale AI model serving platform. Design, build, and operate distributed systems (Ray/Ray Serve), ensure scalability, reliability, monitoring (Prometheus), CI pipeline robustness, and evolve the production model registry while collaborating with ML engineers and stakeholders.

Design, develop, test, and maintain scalable cloud-native services, APIs, and platform components. Build distributed SaaS solutions, improve observability and reliability, troubleshoot complex issues, participate in architecture and release activities, collaborate in Agile teams, and mentor junior engineers to advance Autodesk's platform and AI-driven capabilities.

Build scalable web applications using Ruby on Rails, mentor and review code, collaborate across distributed teams, diagnose and solve cross-team problems, work in an Agile environment, and apply AI to improve development. Hybrid role based in Toronto with two office days weekly.

As a Software Engineer II at Akamai, you will develop scalable software, manage product upgrades, and enhance cloud services while collaborating with a skilled team.

Lead end-to-end full-stack engineering initiatives for Project Simulation and Asset Operations. Build scalable frontend and backend systems, ensure code quality, collaborate cross-functionally, debug production issues, and participate in on-call rotation.