full stack javascript engineer jobs in Toronto

What We Do We build AI models to enable smaller, faster, and more successful clinical trials. What We Do We build AI models to enable smaller, faster, and more successful clinical trials. About Altis Labs Altis Labs is a computational imaging company focused on improving how oncology trials measure treatment benefit. Our core technology is IPRO, an AI model...

Build cloud-based AI applications at Manulife in Toronto’s hybrid Senior Full-Stack AI Engineer position, using Python and React JS.This senior role develops secure enterprise applications that integrate AI into business workflows. You will apply Generative AI, Large Language Models, retrieval-augmented generation, and API-driven engineering. The work...

Design and build scalable applications for data acquisition, management, and visualizationBuild and maintain full-stack Nota features, from React components through GraphQL schemas to PostgreSQL query performanceDesign, deploy, and scale ML inference services on Ray Serve and Kubernetes, including model versioning, autoscaling, and observabilityArchitect and...

About the teamThe Support Experience engineering teams build and improve Stripe’s user support from end to end: how users get help within our products, how they get in touch with us when they have questions, and how our teams use internal tools to answer those questions. We’re accountable for the quality and reliability of this support stack and we use...

Build TypeScript products across AWS Lambda and React Native at Bree, owning features from discovery through release. Ship customer value quickly with pragmatic engineering judgment.As a Software Engineer focused on product and mobile, you will work across Bree’s serverless backend and mobile applications. You will shape rough ideas into scoped releases,...

Build cloud-native applications with React and Golang at Miratech for a US healthcare client. Work remotely while developing scalable services and modern web applications.Miratech seeks a Full Stack Engineer to create backend services, REST APIs, microservices, and React applications. You will support distributed systems and enterprise integrations while...

Become a key contributor at Priceline as a Java Full-Stack Engineer. Collaborate with teams to innovate and implement solutions in the travel industry. As part of Priceline’s technology department, you’ll leverage your Java and React expertise in a hybrid working environment. With over five years of development experience, you will directly influence...

As a Senior AI Engineer, you will be responsible for Full-Stack Software Development i.e. building modern, cloud-based, and AI-enabled applications that help Manulife make decisions easier and lives better. You will contribute to the design, development, and delivery of scalable and secure enterprise applications while integrating AI capabilities into...

Staff SW Engineer (Platform Team)About the RoleAs a Staff Software Engineer on our Platform team, you’ll design, implement, and maintain robust, high-quality backend APIs and services. Your work will directly impact Motion’s core operations and enable teams across the company to leverage our data across multiple product lines. We work primarily in Node,...

Job DescriptionPrincipal Full-Stack Software Engineer at a glance...Job DescriptionPrincipal Full-Stack Software Engineer at a glance...Location: Toronto, ON (Hybrid - 3 days/week)We are looking for a Principal Full-Stack Software Engineer to lead the our internal engineering platform, standards framework, and developer enablement ecosystem used across the...

Embark on your engineering career as a Junior Full Stack Engineer, focusing on building core product functionalities. This position involves end-to-end feature development, combining both backend and frontend technologies. In this hands-on role, you'll gain experience in API development, performance optimization, and user interface design. Collaborate with...

Drive innovation in Capital Markets with Manulife as a Senior Full-Stack Engineer. Leverage your expertise in Java, Spring Boot, and Python to develop cloud-native applications. Join the Derivatives Product Team at Manulife and build cutting-edge trading, risk management, and AI-driven solutions. With over 5 years of full-stack development experience,...

At Swoop, our mission is simple: Improving patient outcomes. As a market leader in AI-driven, data-powered, and privacy-compliant healthcare engagement, we connect the signals that drive earlier diagnosis, better treatment decisions, and sustained adherence. Our integrated, privacy-safe platform, enables life sciences companies to drive measurable patient...

Build secure banking software at CIBC using .NET, React, SQL, and JavaScript in a hybrid Toronto work arrangement.As a Senior Software Engineer, you will lead development, enhancement, and maintenance of critical applications. You will design robust solutions, support high-quality delivery, and collaborate with cross-functional teams. Your work supports...

At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass,...

Join Stripe’s Support Experience team as a Full Stack Engineer. Focus on developing innovative solutions to optimize user support and engagement across platforms. In this role, you will take ownership of creating user-friendly interfaces and streamline processes that underpin Stripe's support systems. Collaborating closely with design and product teams,...

Architect full-stack software at BuildOps using React.js, Node.js, GraphQL, and REST APIs within a hybrid Monday and Friday work-from-home schedule. As a Staff Software Engineer, you will build and optimize BuildOps’s platform for commercial contractors. The work spans scalable frontend architecture, backend services, database performance, and technical...

Build modern AI-enabled applications at Manulife in hybrid Toronto, using Python and React JS to support secure enterprise decision-making. As a Senior AI Engineer, you will design, develop, test, and maintain full-stack applications across the Software Development LifeCycle. You will integrate Generative AI capabilities into business workflows while...

Build full-stack customer management software at Capital One Canada in Toronto, using advanced development, technical design, and architecture skills. This senior technical, manager-equivalent position has no direct reports. You will develop international Card capabilities while helping transition decision-making from accounts to customers. The work...

The Battle of Giants exists to answer a simple but important question: Will a company’s strategy lead to growth? Why? We do this to help investors and corporate execs assess a company’s growth potential and ability to innovate. Critical to survival in this disruptive age. Our ultimate goal is to help organizations design effective strategies...