Top Software Engineer Jobs in Toronto

The Staff Software Engineer will lead the development of backend systems for the Capture & Intelligence platform, handling complex data workflows, AI integrations, and mentoring engineers.

Design and develop motion planning software and algorithms for self-driving vehicles, collaborating with engineers and researchers while maintaining progress on long-term goals.

The role involves advancing onboard sensor systems for autonomous vehicles, solving integration issues, and collaborating with multidisciplinary teams.

As a Senior Software Engineer at Tenstorrent, you will develop AI compiler technologies, optimize computational graphs, and enhance MLIR frameworks to connect AI models with hardware.

Join a research-focused team to integrate AI (LLMs and autonomous agents) into mobile platform development. Build AI-driven code generation and agentic systems, design core mobile components, and collaborate across teams to deploy AI-enhanced developer tooling and monitoring for HarmonyOS and large-scale mobile ecosystems.

Own and maintain data platform infrastructure: provision Snowflake via Terraform, build CI/CD for dbt, implement data quality and observability, extend the OpenMetadata catalog, create developer tooling and reproducible environments, and ensure secure, production-ready data pipelines.

The Senior Software Developer will lead development for SOTI's mobile management solutions, focusing on scalable applications using C# and .NET, while collaborating with agile teams.

Design and build high-performance, scalable Angular front-end web applications. Implement UI interactions, client-side architecture, consume REST APIs, perform prototyping, code reviews, unit testing, and apply secure, cloud-native and CI/CD practices. Collaborate cross-functionally and contribute to both visual and server-side integration.

The Senior Software Developer will design, build, and maintain backend services for record management and data enrichment, while mentoring other developers and collaborating across teams.

Lead iOS test automation for Okta Verify and SDKs across iOS, iPadOS, and watchOS. Define test strategy and frameworks (XCTest/XCUITest), build CI/CD pipelines, develop Swift/Obj-C test tools, create functional/regression/end-to-end tests, partner with security, and drive quality metrics and release validation.

Lead test strategy and automation for Okta Verify on Linux. Define test plans, build and maintain C++/C#/ .NET Core automated tests, manage CI/CD pipelines, validate desktop and web service behavior, work with product, UX, support, and Linux community to certify releases and OS upgrades.

As a Senior Software Engineer on the Cash App Banking team, you will lead the design, execution, and delivery of banking features, collaborating across teams to enhance the user experience.

As a Staff Software Engineer, you will lead technical strategies, drive architectural decisions, mentor engineers, and develop consumer banking solutions using various technologies.

Design and implement a distributed query optimizer for MongoDB: research query systems, architect and build features to improve query performance, collaborate across teams, mentor engineers, and drive long-term roadmap and production-quality changes in a large C++ codebase.

As a Senior Software Engineer at Babylist, you will develop systems for a high-volume marketplace, collaborating on advertising, commerce features, and infrastructure while leading projects and improving processes with AI-driven methodologies.

Design, build, and maintain a scalable multi-tenant workflow engine and associated backend services and web UIs. Implement cloud-native, fault-tolerant systems on AWS, ensure SLOs and reliability, write tests and CI/CD, perform on-call duties, integrate auth systems, mentor junior engineers, and collaborate across platform teams.

Design and develop tools for verifying the correctness of smart contracts, extend verification algorithms, and collaborate with engineers on technical solutions.

Develop and design web applications, working within an agile team to continuously improve features and deliver high-quality software while collaborating with project teams.

The role involves developing backend services and APIs, working with product teams, automating deployment, and enhancing the Censys platform.

The Senior Staff Engineer at Kaseya is responsible for architecting scalable Java applications, optimizing AWS cloud solutions, and providing technical leadership and mentorship while solving complex problems in a collaborative team environment.

Lead the Modeling Platform team, setting technical strategy and overseeing the evolution of a scalable distributed computation architecture while mentoring engineers and enhancing team capabilities.

Lead initiatives to enhance developer infrastructure by architecting systems, improving CI/CD pipelines, and mentoring engineers. Focus on operational excellence.

Design and improve backend systems for customer experiences, build APIs and microservices, and collaborate with cross-functional teams to enhance customer support and service tools.

As an AI Native Staff Software Engineer, you'll design and manage AI workflows, set development standards, ensure observability of AI systems, and align teams on outcomes while focusing on operational excellence and embedding responsible AI.

As a Staff Software Engineer, you will lead technical strategies, improve system performance, mentor engineers, and navigate complex problems across Carta's products.