151 full stack developer jobs in Toronto

Build full stack applications with React.js and Python while developing AI/ML solutions across modern cloud technologies. This senior role emphasizes tested delivery.As a Senior Full Stack Software Developer, you will translate technical specifications into working applications and continuously expand data pipelines. The work spans React.js, FastAPI, .NET...

Build sport coaching applications with React and Python at MLSE’s Sport Performance Lab, supporting web, API, and mobile development.This Full Stack Developer contract supports multiple research and development projects for MLSE professional teams. You will develop React features, Python and AWS APIs, and React Native mobile applications. The work includes...

Contract – 11 Months (Extension Possible) Onsite – Toronto (777 Bay Street) Posted Date: 2026-08-27 Location: Onsite – Toronto (777 Bay Street) Public Sector Experience: Required – OPS / Public Sector Contract End Date: 2027-08-30 * Rate: $103/hour Overview The Ministry of Public and Business Service Delivery and Procurement, under the Community...

React and Python define this Full Stack Developer contract with MLSE Sport Performance Lab, supporting coaching applications across multiple projects.This 12-month independent contract reports to the Director, Software Engineering. You will develop web features, APIs, and mobile support using React, Python, AWS, and React Native. The team focuses on...

Senior Full Stack Software Developer with Swift and Java expertise, working in a hybrid model onsite three days weekly and remotely two days.This senior developer supports the m-IMMS User Interface and integrated healthcare solutions. The work requires Swift, MobileFirst Platform, Java, Oracle, SQL, PL/SQL, JSON, XML, and ETL experience. You will translate...

Build and optimize Bed Bath & Beyond’s Shopify Plus storefronts through JavaScript, Liquid, APIs, and enterprise e-commerce engineering. This full-stack role reports to the Manager, E-Commerce.The Full-Stack Developer, E-Commerce develops Direct-to-Consumer digital storefronts for an enterprise retail brand. You will work across front-end and back-end...

Build Java applications remotely for Fidelity Canada, using React JS and Spring Boot across modern web development projects. Current Canadian work authorization is required.As a Java Software Developer and Full Stack Developer, you will create and support Fidelity Canada’s web properties. The work spans back-end and front-end development, cloud...

Elevate digital innovation as a Senior Full-Stack Developer focused on AI at Appnovation. Leverage top design tools to create impactful applications. As part of Appnovation’s team, you will turn creative ideas into functioning applications, primarily focusing on AI-driven design and development. With a strong proficiency in frontend frameworks, your role...

Build AWS-based applications in Toronto’s hybrid Senior Full Stack Developer position, combining backend architecture with hands-on API development. Work onsite two days weekly while shaping secure, scalable solutions.Red Pico seeks a Senior Full Stack Developer to own backend architecture for self-service and access visibility solutions. You will develop...

Build BrightOrder’s cloud platform remotely with Python, AWS, and full stack development across backend services, APIs, and frontend components.As a Full Stack Developer, you will combine software development with DevOps and AWS expertise. You will create production-grade applications, integrations, internal tools, and React.js components. The role also...

Build modern enterprise applications as a Senior Full Stack Developer in Toronto, London, or Winnipeg, working hybrid three days weekly with Java and component-based development.This twelve-month role supports an insurance client within an Agile team. You will translate product and design requirements, develop reusable software components, and contribute to...

Build end-to-end digital health products in Toronto with React, Next.js, Python, and Node.js at Appnovation. Office attendance is required three days weekly.Appnovation is hiring a Full Stack Developer for a dedicated team serving a health and longevity client. You will deliver features across React, Next.js, TypeScript, Python, and Node.js services. The...

Mosaic Clinical Technologies is seeking a Senior Full Stack Developer to advance innovative imaging solutions. This hybrid role in Toronto involves cloud-native app development and AI integration with healthcare systems. As a key member of the team, you will design and maintain scalable infrastructures, develop APIs, and optimize AI pipelines. This position...

Are you ready to build full stack applications that help protect Citi from financial risk? As a Full Stack Developer working across Java and React, you will design and build backend services and user-facing features for Citi's risk and finance organization, supporting the systems used to compute metrics that help manage exposure to counterparty default and...

Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity is reflected in our people stories across our...

Elevate your career as a Senior Full Stack Developer at InfoTrack Canada, a leading legal technology company. Join a dynamic team to innovate legal transaction processes in a hybrid work model. At InfoTrack, we seek a skilled Senior Full Stack Developer with 6+ years of experience, excited to collaborate with design and product teams. Engage in a fast-paced...

Senior Full Stack Java Developer work follows a hybrid schedule, combining onsite delivery three days weekly with two days from home.This senior assignment supports large, complex, legacy applications using Java, J2EE, Jakarta, WebSphere, and Tomcat. The work spans sustenance analysis, technical design, implementation, testing, security, databases,...

Build high-performing web applications in Toronto with React, Node.js, JavaScript, and Python at TMX, using a hybrid work model. Design secure digital interfaces that connect with enterprise systems and data sources.As a Full Stack Developer, you will work within a cross-functional squad alongside Product Owners, Business Analysts, and Engineers. You will...

Build Shopify Plus storefronts for Bed Bath & Beyond Canada using JavaScript, Liquid, APIs, and enterprise e-commerce practices. Support a national retail platform from the ground up.Reporting to the Manager, E-Commerce, the Full-Stack Developer, E-Commerce builds, optimizes, and maintains Direct-to-Consumer digital storefronts. The work spans front-end and...

Elevate your career with Moneris as a Senior Full Stack Developer based in Toronto. Design and build scalable backend services and responsive frontends while integrating AI capabilities. In this role, you will shape architecture across APIs and event-driven pipelines, working in a multi-cloud environment. Collaborate with product, data, and business teams...