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Senior Software Developer Canada, Toronto Jobs

21 Job Offers

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Senior Software Developer - CRM
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Senior Software Developer - CRM needed for an 11-month onsite contract in Toronto. Leverage 10+ years of Siebel configuration, design, and integration expertise, including Adobe AEM and J2EE. Key responsibilities include developing CRM applications, troubleshooting technical issues, and working w...
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Canada , Toronto
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Randstad
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Senior Software Developer - Back End
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Senior Software Developer - Back End needed for a 12-month onsite contract in Toronto. Leverage 3+ years of expertise in .NET/C#, React, and Power BI to customize and build Dynamic CRM solutions. Key responsibilities include developing workflows, plugins, and Power Automate flows, plus managing s...
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Canada , Toronto
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Randstad
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Senior Software Developer
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Canada , Toronto
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Randstad
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Senior Software Developer
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Canada , Toronto
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546.97 - 582.68 CAD / Hour
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Randstad
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Senior Software Development Engineer (Backend) - Evisort AI
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Canada , Vancouver; Toronto
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140000.00 - 210000.00 CAD / Year
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Senior Software Developer - Full Stack
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Senior Full Stack Developer sought in Toronto to architect and scale high-performance web/mobile apps using React, Next.js, and Elasticsearch. You will lead the full development lifecycle—from microservices and cloud deployment to AODA/WCAG-compliant UI/UX. Requires 5+ years React expertise, 3+ y...
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Canada , Toronto
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Not provided
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Randstad
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Senior Manager, Digital Software Developer
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Lead a large team developing Carrier's enterprise Shopify eCommerce platform in the Greater Toronto Area. This senior role requires 8+ years as a Lead Shopify Developer and experience building Agile teams. You will ensure the scalability and performance of B2B/B2C sites while mentoring developers...
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Canada , Greater Toronto Area, Ontario
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136000.00 - 186000.00 USD / Year
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Beretta Clima Italia
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Senior Software Developer - Full Stack
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Join our client in Toronto as a Senior Full Stack Developer for a 12-month onsite contract. Leverage your advanced skills in React.js, Python/FastAPI, and .NET Core to design and build robust applications and data pipelines. This role requires expertise in cloud architecture, CI/CD with Azure Dev...
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Canada , Toronto
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565.97 - 601.35 CAD / Hour
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Randstad
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Senior Software Developer
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Seeking a Senior Software Developer for a 5-month contract in Toronto. This role requires 8+ years of SDLC experience and expertise in Microsoft .Net Framework for B2B/B2C web applications. You will provide application support, prepare deployments, and ensure smooth testing phases. Earn a competi...
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Canada , Toronto
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Salary
546.97 - 582.68 CAD / Hour
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Randstad
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Senior Software Developer - API
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Lead the design of modern REST APIs in Toronto, integrating Dynamics 365 and Azure. Utilize your deep C#, .NET Core, and Azure expertise to build secure, scalable solutions. Translate complex specs into production-ready applications within a collaborative, onsite team.
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Canada , Toronto
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Randstad
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Senior Software Developer
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Seeking a Senior Software Developer for an 18-month onsite contract in Toronto. This role requires deep expertise in Java (Open JDK 8/11), Spring Boot, and microservices (SOAP/REST). You will build and test applications using Docker, Kubernetes, and modern DevOps/CI/CD practices. Enjoy a competit...
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Canada , Toronto
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Randstad
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Senior Software Developer - Back End
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Join our client's team as a Senior Back End Developer for a 12-month onsite contract in Toronto. Leverage your 5+ years with Java Open JDK and 3+ years in Spring Boot, SOAP/REST APIs, and cloud-native tools (Docker, Kubernetes). You will develop, test, and deploy robust applications while enjoyin...
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Canada , Toronto
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543.70 - 579.46 CAD / Hour
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Randstad
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Senior Software Developer - Snowflake
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Join a leading insurance/financial services firm as a Senior Software Developer. This 9-month contract focuses on a major data retention project using Snowflake, Informatica, and Oracle. A hybrid role in Montréal, Toronto, or Saint-Hyacinthe, it requires strong ETL skills and French/English bilin...
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Canada , Montréal; Toronto; Saint-Hyacinthe
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Not provided
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Randstad
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Senior Staff Software Developer
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Canada , Toronto
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179500.00 - 242500.00 CAD / Year
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Intuit
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Senior Software Developer, Compliance and Multi-Region
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Seeking a Senior Software Developer in Montreal/Toronto to lead technical delivery for compliance and multi-region deployments, starting with AWS GovCloud. This hands-on role requires full-stack expertise in TypeScript, React Native, and Terraform to build and maintain regulated environments. Ide...
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Canada , Montreal, Toronto
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MaintainX
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Senior Staff Software Developer, Developer Infrastructure
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Canada , Toronto
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213000.00 - 250000.00 CAD / Year
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Robinhood
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Senior Software Developer, Backend Platform
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Join our Backend Platform team in Toronto to shape the future of finance. As a Senior Software Developer, you'll build scalable frameworks and tooling in Go/Python to boost engineering velocity and safety. Lead projects, mentor engineers, and enhance developer productivity across all backend serv...
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Canada , Toronto
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166000.00 - 195000.00 CAD / Year
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Robinhood
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Software Development Senior Specialist Advisor
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Canada , Toronto
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NTT DATA
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Software Development Senior Specialist Advisor
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Canada , Toronto
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122648.00 - 283906.00 USD / Year
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NTT DATA
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Senior Software Developer, Backend Platform
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Join our Backend Platform team in Toronto to shape the future of finance. As a Senior Software Developer, you'll build scalable systems in Go/Python and enhance developer productivity. You will lead projects on frameworks, tooling, and IDE integrations. This role offers equity, bonuses, and the c...
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Canada , Toronto
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145000.00 - 170000.00 CAD / Year
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Robinhood
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About the Senior Software Developer role

Explore senior software developer jobs and discover a pivotal career at the intersection of deep technical expertise and strategic leadership. A senior software developer is far more than just an experienced coder; they are a cornerstone of the engineering team, responsible for designing robust systems, guiding technical direction, and mentoring less experienced colleagues. This role typically involves taking ownership of significant components or entire applications, ensuring they are scalable, maintainable, and aligned with business objectives.

Professionals in these roles generally shoulder a comprehensive set of responsibilities. They architect and implement complex software solutions, making critical decisions on technologies, frameworks, and design patterns. A key duty is writing high-quality, efficient, and secure code while establishing and enforcing coding standards and best practices across the team. They lead the full software development lifecycle, from requirement analysis and system design through to deployment, monitoring, and iterative enhancement. Collaboration is central, as they frequently liaise with product managers, business stakeholders, and other engineering teams to translate business needs into technical specifications. Furthermore, senior developers are expected to troubleshoot and debug intricate system issues, optimize application performance, and proactively advocate for process and technological improvements. Mentoring junior and mid-level developers, conducting code reviews, and contributing to a culture of continuous learning are also hallmarks of the position.

The typical skill set for senior software developer jobs is both broad and deep. Mastery of one or more core programming languages (such as Java, C#, Python, JavaScript, or Go) and their associated ecosystems is fundamental. Equally important is a strong grasp of software architecture principles, including microservices, domain-driven design, and API design (REST, GraphQL). Experience with modern development practices like Agile/Scrum, DevOps, CI/CD pipelines, and cloud platforms (AWS, Azure, GCP) is commonly required. Proficiency with database technologies, both relational and non-relational, and knowledge of containerization tools like Docker and Kubernetes are standard expectations. Beyond technical prowess, successful senior developers possess exceptional problem-solving abilities, effective communication skills for explaining complex concepts to diverse audiences, and strong project management capabilities to drive initiatives to completion. While requirements vary, most positions seek candidates with a bachelor’s degree in computer science or a related field (or equivalent experience) and a minimum of 5-8 years of progressive hands-on development experience, including demonstrable leadership in technical projects.

Ultimately, senior software developer jobs represent an opportunity to have an outsized impact on a company's technology and product trajectory. It is a career path for those who are passionate about building excellent software, leading by example, and driving innovation from within the engineering organization.