senior full stack software engineer jobs in Toronto

Become a Senior Software Engineer at PocketHealth and help shape the future of healthcare technology. Utilize your full stack expertise in a hybrid role to enhance provider frameworks. As a key member of the Provider team, you will take charge of designing and implementing systems that connect providers seamlessly. Your role’s influence extends to...

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...

Why HarveyAt Harvey, we’re transforming how legal and professional services operate. By combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise, we’re reshaping how critical knowledge work gets done for decades to come.This is a rare chance to help build a generational company at a true inflection point. We have strong...

Why Harvey At Harvey, we’re transforming how legal and professional services operate. By combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise, we’re reshaping how critical knowledge work gets done for decades to come. This is a rare chance to help build a generational company at a true inflection point. We have strong...

Requisition ID: 244897Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture.The Team:Global Banking and Markets Engineering (GBME) team is the fast-moving, award-winning technology engine that powers Scotia’s Capital Markets businesses.The Role:As part of an application team focused on the institutional...

About Pinterest Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite...

As a Full-Stack Engineer, you will be a key technical contributor on one of our teams, building across both frontend and backend web development. You will help deliver features for our fintech, travel, and/or SuperApp products, while also contributing to the services and frameworks that power those experiences You will primarily work with React on the...

Lead full-stack engineering for Capital One Travel Tech in Toronto, using React, JavaScript, AWS, and backend development. Build travel products for real customers.As a Staff Software Engineer, you will own technical design and development for cross-functional, multi-platform, fault-tolerant applications. You will work across the travel portal journey, from...

Build Gigi’s AI agent in Toronto as a full stack software engineer using Python, TypeScript, and modern agentic systems. As an AI Builder, you will own end-to-end feature development for Gigi, the AI media manager for Amazon DSP. The work spans APIs, interfaces, data models, service integrations, testing, debugging, and architecture. You will build across...

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 includes...

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...

Build scalable digital solutions with React and APIs as a Full Stack Software Engineer at Manulife in hybrid Waterloo, Ontario. Create accessible experiences. This experienced engineer contributes across the software development lifecycle, from design and prototyping through deployment and improvement. You will develop reusable React and Redux components,...

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...

Full Stack Software Engineer Build technology that makes a difference. Manulife is a leading international financial services provider, helping people make decisions easier and lives better. Here, you’ll have the opportunity to build meaningful digital experiences, solve complex engineering challenges, and work alongside talented people who care about...

Build React experiences and server-side services as a Full Stack Software Engineer with Manulife in Waterloo, Ontario, working in a hybrid arrangement. This experienced engineer contributes across the software development lifecycle, from design and prototyping through deployment and improvement. You will develop with React, JavaScript, Node.js, and Express...

Why Harvey At Harvey, we’re transforming how legal and professional services operate. By combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise, we’re reshaping how critical knowledge work gets done for decades to come. This is a rare chance to help build a generational company at a true inflection point. We have strong...

Lead full-stack engineering for Capital One Travel Tech in Toronto, using React, JavaScript, AWS, and backend development. Build travel products for real customers. As a Staff Software Engineer, you will own technical design and development for cross-functional, multi-platform, fault-tolerant applications. You will work across the travel portal journey, from...

At Precisely, we're not just building software — we're shaping the future of data integrity. As a global leader in data quality, data enrichment, and location intelligence, Precisely helps thousands of the world's most trusted brands make confident decisions with data they can rely on. We're an AI-first organization, which means artificial intelligence...

Requisition ID: 49891Business Unit: Fitch GroupCategory: Information TechnologyLocation: Toronto, ON, CADate Posted: Oct 7, 2026Senior Software Engineer, Full-Stack Applications – PythonFitch Ratings is seeking a Senior Software Engineer to join our global Ratings Technology team in Toronto. You'll build and maintain mission-critical full-stack...

Build technology that makes a difference. Manulife is a leading international financial services provider, helping people make decisions easier and lives better. Here, you’ll have the opportunity to build meaningful digital experiences, solve complex engineering challenges, and work alongside talented people who care about delivering technology the right...