javascript full stack developer jobs in Toronto

Lead full stack development with Node.js, TypeScript, React, and AWS while building financial services applications within a cross-functional agile team. Citco seeks an IT Team Lead with eight-plus years of software engineering experience. You will guide application delivery across development, testing, DevOps, support, and architecture design. The work...

Lead Java development for enterprise web applications and platform services in Toronto, working fully onsite five days weekly throughout an 11-month contract. This Senior Software Developer role spans technical design, development, integration, and maintenance. You will build microservices, REST APIs, reusable platform components, and database solutions....

Design secure Java platforms onsite, spanning user interfaces, APIs, services, workflows, integrations, and data-access layers. Apply REST and microservices expertise. This senior full stack developer builds enterprise capabilities supporting multiple government programs. The work includes reusable platform services and connections for registries,...

Build Java and React.js applications with Fidelity on a flexible hybrid schedule in Toronto, moving to Mississauga in late 2026. Apply your full stack expertise across applications, APIs, and cloud technologies.As Full Stack Developer, Investly, you will maintain internal applications and develop new products and services. The work includes modern Java...

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...

Java expertise drives enterprise full-stack development in Toronto, with this fully onsite contract focused on secure APIs and scalable applications. As a Senior Software Developer, you will design, develop, integrate, and maintain large-scale web applications. The work spans front-end, backend, workflow, API, and data-access layers using Java and modern...

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...

Our employees are at the heart of everything we do. Together, we help people, businesses, and society prosper in good times and be resilient in bad times. Our employee promise represents Intact’s commitment to you in exchange for living our Values, striving to do your best work, being open to change and investing in your career. In return, we promise to...

Method CRM is seeking a .NET Full-Stack Developer to build customer-facing features across C#/.NET, React, and our in-house Storybook library. You will work on AWS-based services, serverless components, and messaging architectures to scale the platform while solving real business problems. The role emphasizes high-quality code, collaboration with the Admin...

Our employees are at the heart of everything we do. Together, we help people, businesses, and society prosper in good times and be resilient in bad times. Our employee promise represents Intact’s commitment to you in exchange for living our Values, striving to do your best work, being open to change and investing in your career. In return, we promise to...

Putting people first, every day BDO is a firm built on a foundation of positive relationships with our people and our clients. Each day, our professionals provide exceptional service, helping clients with advice and insight they can trust. In turn, we offer an award-winning environment that fosters a people-first culture with a high priority on your...

Job Functions / Responsibilities Collaborates 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...

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...

RQ11739 - Software Developer - Full Stack - Senior Posted On 26/10/2026 Job Information Term 225 days Assigned Recruiter(s) Margret Tinitha Job Opening ID 11798 Technology Number of Positions 1 Work Experience 7-10 Years City Toronto State/Province Ontario M4C Job Description Description: Designs, develops, integrates, tests, deploys, and maintains...

We are seeking a highly experienced Senior Software Developer - Full Stack to lead the technical design, development, integration, and maintenance of large-scale enterprise web applications and platform capabilities. In this role, you will be responsible for building reusable platform services, robust microservices architectures, and RESTful APIs across the...

Hiring: Senior Full Stack Developer – FHIR & Healthcare Integration Strong hands-on experience with FHIR Subscription, SubscriptionTopic, event-driven architecture, and clinical data integration . Expertise in Java, Node.js, REST APIs, AWS Lambda, and asynchronous queue-based event processing . Experience with React and SMART on FHIR , including launch...

RQ11443 - Software Developer - Full Stack - SeniorOrganization: Labour and Transportation ClusterMinistry: Ministry of Public and Business Service Delivery and ProcurementDuration: 1+ yearLocation: Toronto (87 Sir William Hearst Ave.) or St. Catharines (301 St Paul St), ONPay Rate: $100-103/hr incorpNo clearance required to startSenior Full Stack Developer...

Lead Java and FHIR integration work as a Senior Full Stack Developer in a hybrid Toronto assignment requiring three onsite days weekly. This four-month contract focuses on FHIR Subscription and SubscriptionTopic integration. You will build Java, Node.js, React, and AWS services for clinical event processing. The work also includes SMART on FHIR and HL7 v2...

About the Role We are seeking a highly skilled Senior Full Stack Developer (Angular & Java) to join our Digital Engineering team. In this role, you will design, develop, and support scalable enterprise applications while collaborating with cross-functional teams to deliver innovative technology solutions that drive business value. The ideal candidate will...

We are seeking a seasoned Senior Software Developer - Full Stack to lead the technical design, development, integration, and maintenance of large-scale enterprise web applications and platform services. In this role, you will be responsible for creating reusable platform components and building microservices across user-interface, API, workflow,...