senior full stack software developer jobs in Toronto

TekStaff IT Solutions’ client in Scarborough, ON is seeking a Java Full Stack Developer for an 8.5-month contract in a hybrid role (2 days in-office). The ideal candidate has 8+ years of full-stack experience, strong Java, Spring Boot, REST APIs, Angular/React, and solid cloud, Docker and Kubernetes skills.The position features a 7.5-hour day, mandatory...

Direct IT Recruiting Inc. in Toronto seeks a senior software developer for a 12-month contract with a strong extension potential. The role focuses on maintaining and improving the team’s trading and data analytics solutions, and migrating to Azure and Snowflake data platforms.You will report to a Senior Manager, Solution & Quality Engineering and...

Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data...

Modernize an established Django and React web application while paying down technical debtShip smaller, self-contained custom solutions directly to customers and own delivery end-to-endCo-define target technical patterns with the teamWrite design documents and run technical demos to align stakeholders before implementationSequence product behaviors into...

Job Functions / ResponsibilitiesCollaborates with Systems Architects, Software Team Leads and other Software Developers to design, develop and deploy technical solutions.Analyses complex information, designs, develops and troubleshoots database applications.Reviews functional requirements and prepares and documents technical program, subsystem and system...

Become a Senior Software Developer at Intact, focusing on AI solutions within a hybrid work model. Your work will enhance the technologies that define our mission-critical environments. In this dynamic role within Intact’s Innovation Lab, you will be responsible for the development and enhancement of software solutions aimed at fostering organizational...

RQ09300 - Software Developer - Back End - Senior Job Openings RQ09300 - Software Developer - Back End - Senior About the job RQ09300 - Software Developer - Back End - Senior Responsibilities / Deliverable / Skill Set Requirements Analysis leading to detailed information related to the current system logical and physical design and code structures during the...

RQ09263 - Software Developer- Front End - Senior Job Openings RQ09263 - Software Developer- Front End - Senior About the job RQ09263 - Software Developer- Front End - Senior Description SkillsExperience and Skill Set Requirements Responsibilities/Assignment Deliverables Senior Front-End Developer Designs, develops and maintains internal and external web...

Elevate your career as a Senior Software Developer! Leverage your extensive Java experience to enhance tools and services for health initiatives in a hands-on, onsite position. This role involves developing, testing, and debugging software solutions for various applications within a large-scale project. With a focus on coding and technical analysis, you...

A leading technology firm in Toronto seeks a Senior Software Developer to drive technical design and implementation in a fast-paced environment. You will lead complex projects and ensure code quality, collaborating with cross-functional teams. Ideal candidates should have 5+ years of experience, strong skills in C# and .NET Core, and a solid foundation in...

Enhance your career as a Senior Software Developer with expertise in Azure and Business Intelligence applications. Lead efforts to develop sophisticated data solutions in a collaborative setting. In this role, you'll utilize over 5 years of experience in software development focused on BI and data analytics. Your strong foundation in Azure technologies and...

Become a Lead Senior Software Developer for CRM (Siebel) and showcase your expertise on-site. This pivotal role requires deep knowledge of Siebel's capabilities in a contract setting. With a 10-month contract available, we seek applicants with over a decade of experience in developing and configuring Siebel Public Sector solutions. You will be tasked with...

RQ08283 - Software Developer- Front End - SeniorJob Openings RQ08283 - Software Developer- Front End - SeniorAbout the job RQ08283 - Software Developer- Front End - SeniorResponsibilities:Designing, developing and implementing front end code including user interface interactions and creating attractive and effective user interfaces Required to translate...

Elevate the future of communication as a Senior Software Development Engineer on Amazon's Alexa Connections team. Focus on AI-driven technologies and lead transformative software solutions. This role emphasizes collaboration and innovation, where your contributions to product development will sculpt the next generation of conversational experiences....

161 Bay Street (93021), Canada, Toronto,Toronto, Ontario,Senior Software Engineering Manager - International Card Tech - Full stack About Capital One Canada. For 30 years, we've been on a mission to change banking for good. We challenge the traditional bank stereotype by integrating machine learning, conversational AI and design thinking into our core...

Precisely is seeking an experienced Senior Software Engineer to join the Master Data Management (MDM) product line within its Data Integrity Suite. In this role, you will design and deliver enterprise-grade, AI-first full stack applications that manage and deliver trusted, high-quality data across integrations, workflows, and analytics.You will work across...

Source Code in Toronto, ON is seeking a Senior Software Developer (Full Stack) to design and deliver robust web and mobile solutions.The role requires strong React Native experience for cross‑platform mobile apps, deep JavaScript/HTML/CSS skills, and hands-on backend integration with REST APIs, databases, and deployment tooling. You will collaborate across...

Jonas Software is seeking a mid-senior software architect to lead the migration from legacy systems to modern architectures. You will own platform design, set coding standards, and drive AI-powered enhancements across the core product.You will work closely with leadership to align architecture with the product roadmap, manage external integrations, and...

Arcadia in Toronto is seeking a Team Lead, Senior Full Stack Software Engineer to help build a modern enterprise platform for managing, monitoring, and scaling AI systems. A product-focused role owning features end-to-end across frontend and backend.Candidates should have 5+ years of full stack experience with React/TypeScript and Java/Spring Boot, strong...

Scotiabank in Toronto is seeking a senior-level Full Stack developer with 5+ years of progressive IT experience to contribute to payments and core banking initiatives. You will collaborate with software engineers, business analysts and architects to design, develop, test, and maintain applications in a fast-moving environment.The role requires hands-on...