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Senior Full Stack Developer Canada Jobs

34 Job Offers

Senior Java Full Stack Developer
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Senior Java Full Stack Developer sought by Citi Global Spread Products in Mississauga, Canada. Leverage 7-10 years of experience in Java, Spring, Hibernate, and Angular to design scalable, cloud-ready applications for front office Capital Markets. Drive automation and innovation using microservic...
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Canada , Mississauga
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Salary
94300.00 - 141500.00 USD / Year
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Citi
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Until further notice
Senior Software Developer - Full Stack
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Senior Full Stack Developer sought to architect secure, serverless APIs and front-end portals for a provincial cancer screening platform in Toronto. You will lead cloud-native development with AWS Lambda, DynamoDB, and React/Angular, integrating HL7 FHIR health data exchanges. Requires 8+ years o...
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Canada , Toronto
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Not provided
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Randstad
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Senior Full-Stack Developer
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Senior Full-Stack Developer sought by Randstad Digital for a 6-month contract with a leading Canadian insurer. Drive digital transformation by refactoring high-traffic web ecosystems into a scalable cloud environment. Requires 5-10 years’ experience with ReactJS, Java/Kotlin, AWS CloudFront/S3, a...
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Location
Canada , Montréal
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Not provided
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Randstad
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Until further notice
Senior Full Stack .NET Developer
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Senior Full Stack .NET Developer role in Toronto, Canada. Seeking a veteran with 8+ years in .NET, C#, VB.NET, and Java to architect and scale enterprise applications. You will modernize legacy systems, optimize MS SQL databases, and manage IIS deployments. Join a dynamic team driving high-perfor...
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Canada , Toronto
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Not provided
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Randstad
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Until further notice
Senior Full Stack Developer
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Senior Full Stack Developer sought for Thrive’s fast-paced Toronto team. You will ship end-to-end features using React, Ruby on Rails, and AWS, while mentoring peers and shaping engineering culture. Requires 5+ years of production experience with modern JS frameworks and CI/CD pipelines. Enjoy 3 ...
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Canada , Toronto
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100000.00 - 120000.00 USD / Year
Thrive Career Wellness Inc
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Senior React/.NET/SQL Server Full Stack Developer - Vice President
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Senior Full Stack Developer (VP) sought in Mississauga, Canada. Leverage 6+ years of expertise in .NET/C#, React, and SQL Server to design and maintain high-impact web applications. Contribute to cutting-edge Generative AI initiatives using Python. Join a collaborative team offering robust traini...
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Location
Canada , Mississauga
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Salary
120800.00 - 170800.00 USD / Year
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Citi
Expiration Date
Until further notice
Senior Full Stack Developer
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Senior Full Stack Developer needed for an enterprise contract in Toronto. Lead end-to-end development with .NET 9, Blazor, and Azure cloud, building PWAs and big data pipelines. Requires 5+ years in C#, Python, and JavaScript, plus expertise in cloud data architectures. Work onsite with a modern ...
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Canada , Toronto
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Not provided
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Randstad
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Until further notice
Senior Full Stack Developer (DevOps | Go | React)
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Senior Full Stack Developer (DevOps | Go | React) at Betstamp in Toronto. Join a fast-growing sports betting startup to lead infrastructure, build blazing-fast APIs in Go, and craft modern UIs in React. You’ll own end-to-end features, optimize Postgres queries, and integrate external APIs. Enjoy ...
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Canada , Toronto
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Not provided
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Betstamp
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Until further notice
Senior Software Developer - Full Stack
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Senior Full Stack Developer sought to architect and build cloud-native applications using React, Next.js, Node.js, and TypeScript. You will lead end-to-end development, design REST APIs, and manage databases with Entity Framework. This North York role offers ownership of modern architectures, ser...
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Canada , North York
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Not provided
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Randstad
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Senior Software Developer - Full Stack
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Senior Full Stack Developer sought in Toronto to lead enterprise web architecture for the DDR project. Requires 10+ years in J2EE, Spring Framework, and DevOps with IBM UrbanCode. Build high-performance React frontends and resilient RESTful/SOAP APIs. Drive automated deployment and full-stack imp...
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Canada , Toronto
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Not provided
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Randstad
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Senior Full-Stack Developer
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Senior Full-Stack Developer sought by Disguise to join their Cloud Services team in Quebec, Canada. You will architect scalable Django backends and Vue frontends for cloud-based tools powering live events. Requires 3+ years experience, strong REST API skills, and Git proficiency. Benefits include...
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Canada , Quebec
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Not provided
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Vue
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Senior Full-Stack Developer
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Senior Full-Stack Developer needed in Ottawa for a SECRET-cleared role supporting IAM and cybersecurity. You will design secure apps using React, Angular, Node.js, and TypeScript, integrating Azure services and Microsoft Graph API. Requires 7+ years of enterprise development and 3+ years in IAM s...
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Canada , Ottawa
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Not provided
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Myticas Consulting
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Senior Full Stack Java Developer – Assistant Vice President
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Senior Full Stack Java Developer (AVP) sought in Mississauga, Canada to build the future of a global client onboarding platform. You will design high-performance microservices and real-time APIs using Java, Spring, and ReactJS, while leveraging messaging middleware like Kafka. This role demands 5...
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Location
Canada , Mississauga
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Salary
94300.00 - 141500.00 USD / Year
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Citi
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Until further notice
Senior Java Full Stack Developer – Vice President
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Canada , Mississauga
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Salary
120800.00 - 170800.00 USD / Year
https://www.citi.com/ Logo
Citi
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Until further notice
Senior Java Full Stack Developer - Vice President
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Seeking an **Apps Dev Tech Lead Analyst Vice President** in **Mississauga, Canada**. You will lead the design and deployment of high-impact, real-time microservices and RESTful APIs. Requires 8+ years of **Java** expertise (Spring, Kafka) and proficiency in **ReactJS**. This senior role offers th...
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Location
Canada , Mississauga
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Salary
120800.00 - 170800.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Java Full Stack Developer – Vice President
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Location
Canada , Mississauga
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Salary
120800.00 - 170800.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Full Stack Java Developer
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Location
Canada , Mississauga
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Salary
94300.00 - 141500.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Java Full Stack Developer - React and Microservices
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Senior Java Full Stack Developer sought in Mississauga, Canada, to design scalable microservices and dynamic UIs using React, Spring Boot, and TypeScript. Leverage expertise in Kafka, OpenShift, and CI/CD to build high-availability systems. Ideal for a developer with 5+ years in Java, workflow te...
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Location
Canada , Mississauga
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Salary
94300.00 - 141500.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Full Stack Java Developer
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Senior Full Stack Java Developer sought in Mississauga, Canada. Leverage 5+ years of expertise in Java, React, Spring Boot, and Oracle to lead application systems analysis and programming. Design and maintain robust web applications using Microservices, REST, and GraphQL, with practical AI tool e...
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Location
Canada , Mississauga
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Salary
94300.00 - 141500.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Senior Full Stack Java Developer - Citi Velocity
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Seeking a **Full Stack Development Lead** for **Citi Velociti** in **Mississauga, Canada**. This senior role requires 6-10 years of IT experience, including 3+ years in **Java**, **Angular/React**, and **SQL Server**. You will lead system analysis, drive feature implementation, and integrate solu...
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Location
Canada , Mississauga
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Salary
120800.00 - 170800.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
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About the Senior Full Stack Developer role

Explore the pinnacle of software engineering careers with Senior Full Stack Developer jobs. This senior-level role represents a critical and highly sought-after position within the technology landscape, blending deep technical expertise with strategic leadership. A Senior Full Stack Developer is a versatile architect of digital solutions, proficient in both front-end and back-end technologies, responsible for building, deploying, and maintaining complex, scalable, and secure enterprise-grade applications. These professionals are the cornerstone of modern development teams, translating business requirements into robust technical realities across the entire software development lifecycle.

The core responsibility of a Senior Full Stack Developer is end-to-end ownership of application systems. This involves designing system architecture, writing high-quality, maintainable code, and integrating various software components and third-party services. They lead the development of user interfaces using frameworks like Angular or React, while simultaneously engineering powerful server-side logic, APIs, and microservices with technologies such as Java Spring Boot or Node.js. Beyond coding, they ensure application performance, quality, and responsiveness. A significant part of the role involves mentoring mid-level and junior developers, conducting code reviews, and establishing best practices for coding, testing, and security. They are key collaborators, working closely with product managers, business analysts, UX/UI designers, and infrastructure teams to align technical execution with business goals.

Typical day-to-day duties include analyzing and refining functional requirements, troubleshooting and debugging complex issues, and optimizing applications for maximum speed and scalability. They implement rigorous testing protocols, including unit and integration tests, and champion CI/CD pipelines for automated deployment. Senior Full Stack Developers are also guardians of software security, proactively addressing vulnerabilities and ensuring compliance with industry standards like OWASP. They often participate in or lead Agile ceremonies, manage technical debt, and stay abreast of emerging technologies, such as cloud-native development, containerization with Docker/Kubernetes, and generative AI tools, to drive innovation and efficiency.

The skill set for these senior roles is comprehensive. On the technical front, proficiency in both front-end (JavaScript, TypeScript, HTML/CSS) and back-end (Java, .NET, Python, etc.) languages is essential, coupled with expertise in relevant frameworks, relational and NoSQL databases, and version control systems like Git. Equally important are the leadership and soft skills: excellent problem-solving and analytical abilities, clear communication for both technical and non-technical audiences, project management, and a strong sense of ownership and risk awareness. Most positions require a bachelor's degree in computer science or a related field and a substantial track record of professional experience, typically 8-15 years, demonstrating progressive responsibility and successful project delivery. For those seeking to lead from the front lines of technology, Senior Full Stack Developer jobs offer a challenging and rewarding path to shape the digital future.