Top Software Engineer Jobs in Toronto

Join Mismo as a Full Stack Software Engineer specializing in React and Node.js. Take ownership of projects from concept to delivery, work on e-commerce and financial integrations, and collaborate with the team. Ideal candidates should have expertise in software engineering, TypeScript, JavaScript, SQL, and strong communication skills. Knowledge of finance, algorithms, data mining, and interest in continuous learning are desired.

Develop software for robotics applications using C++, ROS, and Python. Collaborate with hardware engineers to integrate software with robot systems. Test and debug software to ensure robust performance in real-world environments.

Principal Software Engineer responsible for defining and maintaining architecture roadmap, leading technical solutions, and driving innovation for new products. Must have deep knowledge of Cloud native distributed system development and hands-on experience with micro-services and event-driven architecture. Responsibilities include providing technical leadership, mentoring engineering teams, and driving automation and operational excellence.

Seeking a developer with 2+ years of Elixir experience to assist in transitioning the tech stack from Django+React to Elixir. Responsibilities include developing new features, collaborating with the team, and writing well-tested Elixir code. The role is primarily remote with occasional in-person meetings in the EST timezone.

Join the Deployment Experience team at Vercel to build web applications, distributed systems, and improve deployment processes. Requires 6+ years of software engineering experience with expertise in Node.js, React, and TypeScript.

The AI Software Engineer II is responsible for designing, developing, and implementing new or modified software products for ongoing AI/decision technology projects. They collaborate closely with various teams to ensure software projects meet requirements and focus on integrating different AI algorithms to create user-friendly solutions.

Influence and execute the overall vision of Harmonic’s offerings by collaborating with Product & Design to create products that help customers discover startups. Translate customer needs into innovative product features and services. Work on every layer of the stack to troubleshoot and solve issues.

Join Perplexity as a Backend Software Engineer to lead design, implementation, and scaling of systems for API products. Responsibilities include designing and maintaining APIs, leading technical projects, and aligning technical decisions with strategic initiatives. Qualifications include experience with natural language/LLM APIs, infrastructure management, scalability, and user experience. 4+ years of engineering experience required.

Craft scalable TypeScript and Python code to integrate with customer websites, apps, and APIs. Work with Django in a microservices architecture. Implement APIs over HTTP and gRPC.

Develop and maintain JIT and AOT hybrid compilation pipelines for PennyLane, an open-source software framework for quantum machine learning, quantum computing, and quantum chemistry. Convert abstract algorithms into efficient software implementations, support new hardware platforms, and contribute to software system design and quality assurance.

Design, build, test, and deploy the cloud-native platform and microservices/API. Develop user-facing features, optimize application speed, conduct code reviews, and mentor junior Engineers. Work with React, Node, TypeScript, Python, AWS, and more.

The full stack Senior Engineer at Nomad Health will work on building product and platform features to improve performance and user experience. Responsibilities include defining best practices for clean code, owning architecture, providing mentorship, and contributing to technical decisions. Qualifications include 4+ years of full stack development experience, strong object-oriented design principles, and proficiency in Python, JavaScript, TypeScript, React, and REST API development.

As a Senior Software Engineer II at Affinity, you will work on core areas of the product, define technical direction, mentor other engineers, and collaborate across teams. The tech stack includes React, TypeScript, Ruby, PostgreSQL, Kafka, AWS, and Kubernetes.

Senior Software Engineer II at Emburse contributing to system solutions, enhancing customer experiences, solving challenges, and designing new solutions. Responsible for software development, codebase expertise, quality assurance, project leadership, technical testing, and mentoring junior developers.

TouchBistro is seeking a Senior Mobile Software Developer (Kotlin) to architect, design, and develop high-quality Kotlin applications for their evolving POS system. Responsibilities include optimizing software solutions, collaborating with teams, mentoring junior developers, and staying updated on industry trends. Must have 4-5+ years of Kotlin development experience, strong understanding of Kotlin and coroutines, and proficiency in building Android applications. Nice to have experience with Ktor and Exposed. Ontario, Quebec, New Brunswick, Nova Scotia, Newfoundland, or PEI residents.

Platform.sh is seeking a Cloud Software Engineer with expertise in networking and content distribution to build resilient, distributed systems. This role involves working with new technologies, pushing boundaries, and contributing to the content delivery system.

Design, develop, and maintain features for a utility-scale battery simulation platform. Assist in product development strategy, design, planning, and productivity. Serve as a member of the technical team collaborating across engineering and research domains.