senior full stack software developer jobs in Toronto

A leading software development company in Toronto is seeking an exceptional full-stack software developer. You will build customer solutions and develop parts of our Software Factory while working collaboratively in a dynamic environment. Candidates should possess extensive web development experience in Python, Typescript, React, and AWS, and demonstrate...

MaintainX is a leading mobile-first work execution platform for industrial and frontline teams. More than 13,000 customers, including Duracell, McDonald's, Shell, DHL and Volvo, use MaintainX to cut unplanned downtime and run better operations, across 13.9 million managed assets and 79.5 million completed work orders.In August 2026 MaintainX became part of...

Lead Full Stack Developer – Angular / Spring Boot. We are seeking a Lead Developer with strong full stack development experience to join our team. The ideal candidate will bring hands‑on expertise in modern web development, microservices, API design, cloud technologies, and DevOps practices. This role requires strong technical depth, the ability to...

Appnovation is hiring Full Stack Developers to join a dedicated team building digital products for a health and longevity client. You will deliver features end to end across a React and Next.js frontend and Python and Node.js services, from design through testing and release.You will collaborate with the Technical Lead, project manager, business analyst and...

A leading technology consulting firm in Toronto is seeking a Junior Full Stack Software Developer. The role involves translating specifications into applications, collaborating with teams, and requires proficiency in C#, .NET, and XML. Candidates must have at least 2 years of experience and understand AODA compliance. This position requires working from the...

React and TypeScript specialists can build full-stack financial technology at S&P Global Market Intelligence from its hybrid Toronto office. This Grade Level 11 Software Engineer develops product features across React, TypeScript, Node.Js, Java, PostgreSQL, and REST APIs. You will support financial risk solutions used by institutions worldwide. The work...

Use frontend strength and backend knowledge to build AI security software as a Senior Software Engineer in North America. Own projects end to end. You will help create web enforcement for leading AI applications while building the services behind secure AI usage. The position combines full stack engineering, prompt classification, event collection, audit...

Electric Mind in Toronto is seeking a Senior Full Stack Developer with Salesforce experience to join our team. You will design and implement scalable, secure solutions that align business goals with technology, collaborating with clients and engineers across diverse engagements. In an Agile environment, you will contribute to architecture, write robust...

Enhance seller experiences with eBay as a Senior Full Stack Engineer in Toronto. Contribute to backend services while developing web applications that shape ecommerce transformations.As part of eBay’s Seller Hub team, you will play a key role in managing and elevating platform features. This position is ideal for skilled engineers who excel in backend...

Build AI-powered applications remotely at Fable using LLM integration, agentic workflows, and full-stack engineering across customer-facing products. Fable seeks a Senior Software Engineer and senior individual contributor with deep backend expertise. You will design scalable services, modern full-stack applications, and production AI capabilities. The...

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...

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 and commercial outcomes with actionable intelligence—...

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 enterprise applications with Java and React as a Senior Full Stack Engineer focused on scalable systems and dependable delivery. This senior engineering role spans Next.Js, React, TypeScript, Java, Spring Boot, PostgreSQL, authentication, and Linux infrastructure. You will help design software products used by businesses and their teams. Your...

Own full-stack engineering for Marble’s intelligent tax preparation experience using React, Remix, TypeScript, and Node.Js. Marble is building an AI-powered platform for mid-to-large accounting firms and their clients. As a Senior Software Engineer, you will work across user-facing apps and backend services. You will help create robust, intelligent...

Reporting to the Manager, E-Commerce, the Full Stack Developer, E-Commerce for Bed Bath & Beyond is responsible for building, optimizing, and maintaining our enterprise Direct-to-Consumer digital storefronts. This role combines core front-end and back-end e-commerce software engineering with standard e-commerce practices including payment gateway...

Method in Toronto is hiring a .NET Full-Stack Developer to build customer-facing features using C#/.NET, React, and an in-house Storybook. The role spans frontend and backend on AWS/serverless. You’ll ship high-quality code and help scale the platform while balancing AI-driven speed with careful judgment.We value collaboration, strong problem-solving, and...

Join our Manulife Integration Engineering team and help build the next generation of enterprise integration solutions. As a Senior MuleSoft Software Engineer, you will design, develop, and support scalable, secure, and resilient integration platforms that connect enterprise applications, Salesforce, cloud services, and external partners. Leveraging MuleSoft,...

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. Okta Identity Governance (OIG) organization is looking for a Senior Engineer to join our team — OIG is Okta’s Identity Governance and...

Build secure multi-tier applications with Microsoft .NET technologies as a Senior Full Stack Developer in BDO’s hybrid downtown Toronto workplace. C# expertise matters.BDO seeks a skilled Full Stack Developer with strong Microsoft .NET experience for a senior-level opportunity. You will work with C#, VB.NET, ASP.NET MVC, Webforms, RESTful APIs, and...